Patent
US 10,252,915GREEN SYNTHESIS OF GRAPHENE BY USING TOMATO JUICE
MARIAM AL ALI ALMAADEED
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,252,915Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 depicts the X-ray diffraction (XRD) pattern of graphite.
FIG. 2 depicts the X-ray diffraction (XRD) pattern of graphene oxide.
FIG. 3 depicts the X-ray diffraction (XRD) pattern of a graphene oxide sample produced by an embodiment of the present invention.
FIG. 4 depicts the Raman spectra of graphite.
FIG. 5 depicts the Raman spectra of graphene oxide.
FIG. 6 depicts the Raman spectra of a graphene oxide sample produced by an embodiment of the present invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method comprising: forming a suspension comprising a solvent and a product of oxidation of graphite, the product of oxidation of graphite comprising graphene oxide, graphite oxide, or a combination thereof, wherein the graphene oxide, the graphite oxide, or the combination thereof comprise about 0.01 wt % to about 25 wt % of the suspension; adding fresh tomato juice to the suspension; exfoliating the product of oxidation of graphite, exfoliating graphite during formation of the product of oxidation of graphite, or a combination thereof, after exfoliation, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to form a solid product, the solid product comprising the exfoliated graphene oxide, the exfoliated graphite oxide, or both, that have been at least partially reduced to graphene; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 1, wherein the exfoliation comprises ultrasonication. Original
The method of claim 1, wherein the solvent comprises water. Original
The method of claim 1, wherein the fresh tomato juice is added to the suspension within 45 minutes of the juice being squeezed from the tomato. Original
The method of claim 1, wherein the fresh tomato juice is free of additives. Original
The method of claim 1, wherein the fresh tomato juice is not diluted with other liquids before being added to the suspension. Original
The method of claim 1, wherein the weight ratio of the amount of fresh tomato juice added to the amount of the suspension is about 2:1 to about 1:2. Previously presented
The method of claim 1, wherein the time period is not less than 22 hours, and not more than 30 hours. Previously presented
The method of claim 1, wherein the graphene oxide, the graphite oxide, or the combination thereof comprise about 0.1 wt % to about 15 wt % of the suspension. Previously presented
The method of claim 1, wherein the graphene oxide, the graphite oxide, or the combination thereof comprise about 0.2 wt % to about 5 wt % of the suspension. Previously presented
Canceled
A method comprising: forming a suspension comprising a solvent and a product of oxidation of graphite, the product of oxidation of graphite comprising graphene oxide, graphite oxide, or a combination thereof, wherein the graphene oxide, the g raphite oxide, or the combination thereof, and the SVG 15918994.01-14-2019.JQZHFUFLLXEAPX5.CLM.1.svg 0.16 3.42 Black and white Amendment under 37 C.F.R. § 1.312 Attorney Docket No. 432743.10080 SVG 15918994.01-14-2019.JQZHFUFLLXEAPX5.CLM.2.svg 0.16 2.92 Black and white exfoliating the product of oxidation of graphite, exfoliating graphite during formation of the product of oxidation of graphite, or a combination thereof, after exfoliation, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to form a solid product, the solid product comprising the exfoliated graphene oxide, the exfoliated graphite oxide, or both, that have been at least partially reduced to graphene; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 15, wherein the exfoliation comprises ultrasonication. Previously presented
The method of claim 15, wherein the solvent comprises water. Previously presented
The method of claim 15, wherein the graphene oxide, the g raphite oxide, or the combination thereof comprises about 0.1 wt % to about 3.0 wt % of the suspension. Currently amended
The method of claim 15, wherein the fresh tomato juice is added to the suspension within 45 minutes of the juice being squeezed from the tomato. Previously presented
The method of claim 15, wherein the fresh tomato juice is free of additives, and the fresh tomato juice is not diluted with other liquids before being added to the suspension. Previously presented
The method of claim 15, wherein the weight ratio of the amount of fresh tomato juice added to the amount of the suspension is about 2:1 to about 1:2. Previously presented
The method of claim 15, wherein the time period is not less than 22 hours, and not more than 30 hours. Previously presented
A method comprising: forming a suspension comprising a solvent and graphite oxide, and the suspension optionally comprising graphene oxide; wherein about 0.01 wt % to about 25 wt % of the suspension is graphite oxide, or if graphene oxide is present, about 0.01 wt % to about 25 wt % of the suspension is graphite oxide and graphene oxide; adding fresh tomato juice to the suspension; exfoliating the graphite oxide, and optionally, the graphene oxide, if present; after exfoliation, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to allow for the formation of a solid product, the solid product comprising graphene, at least a portion of the graphene resulting from at least partial reduction of the exfoliated graphite oxide, and, if present, the exfoliated graphene oxide; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 26, wherein the suspension with added fresh tomato juice is subjected to ultrasonication and the ultrasonication is executed for at least 5 minutes and not more than 6 hours. Previously presented
The method of claim 26, wherein the solvent comprises water, and at least 99 wt % of the suspension consists of water and graphite oxide, or, if graphene oxide is present, at least 99 wt % of the suspension consists of water and graphite oxide and graphene oxide. Previously presented
The method of claim 26, wherein about 0.1 wt % to about 15 wt % of the suspension comprises graphite oxide, or if graphene oxide is present, about 0.1 wt % to about 15 wt % of the suspension comprises a combination of graphite oxide and graphene oxide. Previously presented
The method of claim 26, wherein the fresh tomato juice is added to the suspension within 45 minutes of the juice being squeezed from the tomato. Previously presented
The method of claim 26, wherein the fresh tomato juice is free of additives, and the fresh tomato juice is not diluted with other liquids before being added to the suspension. Previously presented
The method of claim 26, wherein the weight ratio of the amount of fresh tomato juice added to the amount of the suspension is about 2:1 to about 1:2. Previously presented
The method of claim 26, wherein the time period is not less than 22 hours, and not more than 30 hours. Previously presented
A method comprising: forming a suspension comprising a solvent and graphite oxide, and the suspension optionally comprising graphene oxide; adding fresh tomato juice to the suspension; sonicating the suspension before, after, and/or during the addition of fresh tomato juice; after sonication, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to allow for the formation of a solid product, the solid product comprising graphene, at least a portion of the Amendment under 37 C.F.R. § 1.312 Attorney Docket No. 432743.10080 graphene resulting from at least partial reduction of the exfoliated graphite oxide, and, if present, the exfoliated graphene oxide; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 34, wherein the solvent comprises water, and at least 99 wt % of the suspension consists of water and graphite oxide, or, if graphene oxide is present, at least 99 wt % of the suspension consists of water and graphite oxide and graphene oxide. Previously presented
The method of claim 34, wherein about 0.2 comprises graphite oxide, or if graphene oxide is suspension comprises a combination of graphite
The method of claim 34, wherein the weight to the amount of the suspension is about 2: 1 to
The method of claim 34, wherein the time 30 hours. Previously presented wt % to about 5.0 wt % of the suspension present, about 0.2 wt % to about 5.0 wt % of the oxide and graphene oxide. Previously presented ratio of the amount of fresh tomato juice added about 1:2. Previously presented period is not less than 22 hours, and not more than
Materials described outside the worked examples.
graphite
C
graphene oxide
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 depicts the X-ray diffraction (XRD) pattern of graphite.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 80000–3175000 nm | — |
Duration | 300–21600 s |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,252,915Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 depicts the X-ray diffraction (XRD) pattern of graphite.
FIG. 2 depicts the X-ray diffraction (XRD) pattern of graphene oxide.
FIG. 3 depicts the X-ray diffraction (XRD) pattern of a graphene oxide sample produced by an embodiment of the present invention.
FIG. 4 depicts the Raman spectra of graphite.
FIG. 5 depicts the Raman spectra of graphene oxide.
FIG. 6 depicts the Raman spectra of a graphene oxide sample produced by an embodiment of the present invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method comprising: forming a suspension comprising a solvent and a product of oxidation of graphite, the product of oxidation of graphite comprising graphene oxide, graphite oxide, or a combination thereof, wherein the graphene oxide, the graphite oxide, or the combination thereof comprise about 0.01 wt % to about 25 wt % of the suspension; adding fresh tomato juice to the suspension; exfoliating the product of oxidation of graphite, exfoliating graphite during formation of the product of oxidation of graphite, or a combination thereof, after exfoliation, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to form a solid product, the solid product comprising the exfoliated graphene oxide, the exfoliated graphite oxide, or both, that have been at least partially reduced to graphene; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 1, wherein the exfoliation comprises ultrasonication. Original
The method of claim 1, wherein the solvent comprises water. Original
The method of claim 1, wherein the fresh tomato juice is added to the suspension within 45 minutes of the juice being squeezed from the tomato. Original
The method of claim 1, wherein the fresh tomato juice is free of additives. Original
The method of claim 1, wherein the fresh tomato juice is not diluted with other liquids before being added to the suspension. Original
The method of claim 1, wherein the weight ratio of the amount of fresh tomato juice added to the amount of the suspension is about 2:1 to about 1:2. Previously presented
The method of claim 1, wherein the time period is not less than 22 hours, and not more than 30 hours. Previously presented
The method of claim 1, wherein the graphene oxide, the graphite oxide, or the combination thereof comprise about 0.1 wt % to about 15 wt % of the suspension. Previously presented
The method of claim 1, wherein the graphene oxide, the graphite oxide, or the combination thereof comprise about 0.2 wt % to about 5 wt % of the suspension. Previously presented
Canceled
A method comprising: forming a suspension comprising a solvent and a product of oxidation of graphite, the product of oxidation of graphite comprising graphene oxide, graphite oxide, or a combination thereof, wherein the graphene oxide, the g raphite oxide, or the combination thereof, and the SVG 15918994.01-14-2019.JQZHFUFLLXEAPX5.CLM.1.svg 0.16 3.42 Black and white Amendment under 37 C.F.R. § 1.312 Attorney Docket No. 432743.10080 SVG 15918994.01-14-2019.JQZHFUFLLXEAPX5.CLM.2.svg 0.16 2.92 Black and white exfoliating the product of oxidation of graphite, exfoliating graphite during formation of the product of oxidation of graphite, or a combination thereof, after exfoliation, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to form a solid product, the solid product comprising the exfoliated graphene oxide, the exfoliated graphite oxide, or both, that have been at least partially reduced to graphene; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 15, wherein the exfoliation comprises ultrasonication. Previously presented
The method of claim 15, wherein the solvent comprises water. Previously presented
The method of claim 15, wherein the graphene oxide, the g raphite oxide, or the combination thereof comprises about 0.1 wt % to about 3.0 wt % of the suspension. Currently amended
The method of claim 15, wherein the fresh tomato juice is added to the suspension within 45 minutes of the juice being squeezed from the tomato. Previously presented
The method of claim 15, wherein the fresh tomato juice is free of additives, and the fresh tomato juice is not diluted with other liquids before being added to the suspension. Previously presented
The method of claim 15, wherein the weight ratio of the amount of fresh tomato juice added to the amount of the suspension is about 2:1 to about 1:2. Previously presented
The method of claim 15, wherein the time period is not less than 22 hours, and not more than 30 hours. Previously presented
A method comprising: forming a suspension comprising a solvent and graphite oxide, and the suspension optionally comprising graphene oxide; wherein about 0.01 wt % to about 25 wt % of the suspension is graphite oxide, or if graphene oxide is present, about 0.01 wt % to about 25 wt % of the suspension is graphite oxide and graphene oxide; adding fresh tomato juice to the suspension; exfoliating the graphite oxide, and optionally, the graphene oxide, if present; after exfoliation, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to allow for the formation of a solid product, the solid product comprising graphene, at least a portion of the graphene resulting from at least partial reduction of the exfoliated graphite oxide, and, if present, the exfoliated graphene oxide; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 26, wherein the suspension with added fresh tomato juice is subjected to ultrasonication and the ultrasonication is executed for at least 5 minutes and not more than 6 hours. Previously presented
The method of claim 26, wherein the solvent comprises water, and at least 99 wt % of the suspension consists of water and graphite oxide, or, if graphene oxide is present, at least 99 wt % of the suspension consists of water and graphite oxide and graphene oxide. Previously presented
The method of claim 26, wherein about 0.1 wt % to about 15 wt % of the suspension comprises graphite oxide, or if graphene oxide is present, about 0.1 wt % to about 15 wt % of the suspension comprises a combination of graphite oxide and graphene oxide. Previously presented
The method of claim 26, wherein the fresh tomato juice is added to the suspension within 45 minutes of the juice being squeezed from the tomato. Previously presented
The method of claim 26, wherein the fresh tomato juice is free of additives, and the fresh tomato juice is not diluted with other liquids before being added to the suspension. Previously presented
The method of claim 26, wherein the weight ratio of the amount of fresh tomato juice added to the amount of the suspension is about 2:1 to about 1:2. Previously presented
The method of claim 26, wherein the time period is not less than 22 hours, and not more than 30 hours. Previously presented
A method comprising: forming a suspension comprising a solvent and graphite oxide, and the suspension optionally comprising graphene oxide; adding fresh tomato juice to the suspension; sonicating the suspension before, after, and/or during the addition of fresh tomato juice; after sonication, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to allow for the formation of a solid product, the solid product comprising graphene, at least a portion of the Amendment under 37 C.F.R. § 1.312 Attorney Docket No. 432743.10080 graphene resulting from at least partial reduction of the exfoliated graphite oxide, and, if present, the exfoliated graphene oxide; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 34, wherein the solvent comprises water, and at least 99 wt % of the suspension consists of water and graphite oxide, or, if graphene oxide is present, at least 99 wt % of the suspension consists of water and graphite oxide and graphene oxide. Previously presented
The method of claim 34, wherein about 0.2 comprises graphite oxide, or if graphene oxide is suspension comprises a combination of graphite
The method of claim 34, wherein the weight to the amount of the suspension is about 2: 1 to
The method of claim 34, wherein the time 30 hours. Previously presented wt % to about 5.0 wt % of the suspension present, about 0.2 wt % to about 5.0 wt % of the oxide and graphene oxide. Previously presented ratio of the amount of fresh tomato juice added about 1:2. Previously presented period is not less than 22 hours, and not more than
Materials described outside the worked examples.
graphite
C
graphene oxide
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 depicts the X-ray diffraction (XRD) pattern of graphite.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 80000–3175000 nm | — |
Duration | 300–21600 s |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,252,915Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 depicts the X-ray diffraction (XRD) pattern of graphite.
FIG. 2 depicts the X-ray diffraction (XRD) pattern of graphene oxide.
FIG. 3 depicts the X-ray diffraction (XRD) pattern of a graphene oxide sample produced by an embodiment of the present invention.
FIG. 4 depicts the Raman spectra of graphite.
FIG. 5 depicts the Raman spectra of graphene oxide.
FIG. 6 depicts the Raman spectra of a graphene oxide sample produced by an embodiment of the present invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method comprising: forming a suspension comprising a solvent and a product of oxidation of graphite, the product of oxidation of graphite comprising graphene oxide, graphite oxide, or a combination thereof, wherein the graphene oxide, the graphite oxide, or the combination thereof comprise about 0.01 wt % to about 25 wt % of the suspension; adding fresh tomato juice to the suspension; exfoliating the product of oxidation of graphite, exfoliating graphite during formation of the product of oxidation of graphite, or a combination thereof, after exfoliation, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to form a solid product, the solid product comprising the exfoliated graphene oxide, the exfoliated graphite oxide, or both, that have been at least partially reduced to graphene; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 1, wherein the exfoliation comprises ultrasonication. Original
The method of claim 1, wherein the solvent comprises water. Original
The method of claim 1, wherein the fresh tomato juice is added to the suspension within 45 minutes of the juice being squeezed from the tomato. Original
The method of claim 1, wherein the fresh tomato juice is free of additives. Original
The method of claim 1, wherein the fresh tomato juice is not diluted with other liquids before being added to the suspension. Original
The method of claim 1, wherein the weight ratio of the amount of fresh tomato juice added to the amount of the suspension is about 2:1 to about 1:2. Previously presented
The method of claim 1, wherein the time period is not less than 22 hours, and not more than 30 hours. Previously presented
The method of claim 1, wherein the graphene oxide, the graphite oxide, or the combination thereof comprise about 0.1 wt % to about 15 wt % of the suspension. Previously presented
The method of claim 1, wherein the graphene oxide, the graphite oxide, or the combination thereof comprise about 0.2 wt % to about 5 wt % of the suspension. Previously presented
Canceled
A method comprising: forming a suspension comprising a solvent and a product of oxidation of graphite, the product of oxidation of graphite comprising graphene oxide, graphite oxide, or a combination thereof, wherein the graphene oxide, the g raphite oxide, or the combination thereof, and the SVG 15918994.01-14-2019.JQZHFUFLLXEAPX5.CLM.1.svg 0.16 3.42 Black and white Amendment under 37 C.F.R. § 1.312 Attorney Docket No. 432743.10080 SVG 15918994.01-14-2019.JQZHFUFLLXEAPX5.CLM.2.svg 0.16 2.92 Black and white exfoliating the product of oxidation of graphite, exfoliating graphite during formation of the product of oxidation of graphite, or a combination thereof, after exfoliation, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to form a solid product, the solid product comprising the exfoliated graphene oxide, the exfoliated graphite oxide, or both, that have been at least partially reduced to graphene; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 15, wherein the exfoliation comprises ultrasonication. Previously presented
The method of claim 15, wherein the solvent comprises water. Previously presented
The method of claim 15, wherein the graphene oxide, the g raphite oxide, or the combination thereof comprises about 0.1 wt % to about 3.0 wt % of the suspension. Currently amended
The method of claim 15, wherein the fresh tomato juice is added to the suspension within 45 minutes of the juice being squeezed from the tomato. Previously presented
The method of claim 15, wherein the fresh tomato juice is free of additives, and the fresh tomato juice is not diluted with other liquids before being added to the suspension. Previously presented
The method of claim 15, wherein the weight ratio of the amount of fresh tomato juice added to the amount of the suspension is about 2:1 to about 1:2. Previously presented
The method of claim 15, wherein the time period is not less than 22 hours, and not more than 30 hours. Previously presented
A method comprising: forming a suspension comprising a solvent and graphite oxide, and the suspension optionally comprising graphene oxide; wherein about 0.01 wt % to about 25 wt % of the suspension is graphite oxide, or if graphene oxide is present, about 0.01 wt % to about 25 wt % of the suspension is graphite oxide and graphene oxide; adding fresh tomato juice to the suspension; exfoliating the graphite oxide, and optionally, the graphene oxide, if present; after exfoliation, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to allow for the formation of a solid product, the solid product comprising graphene, at least a portion of the graphene resulting from at least partial reduction of the exfoliated graphite oxide, and, if present, the exfoliated graphene oxide; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 26, wherein the suspension with added fresh tomato juice is subjected to ultrasonication and the ultrasonication is executed for at least 5 minutes and not more than 6 hours. Previously presented
The method of claim 26, wherein the solvent comprises water, and at least 99 wt % of the suspension consists of water and graphite oxide, or, if graphene oxide is present, at least 99 wt % of the suspension consists of water and graphite oxide and graphene oxide. Previously presented
The method of claim 26, wherein about 0.1 wt % to about 15 wt % of the suspension comprises graphite oxide, or if graphene oxide is present, about 0.1 wt % to about 15 wt % of the suspension comprises a combination of graphite oxide and graphene oxide. Previously presented
The method of claim 26, wherein the fresh tomato juice is added to the suspension within 45 minutes of the juice being squeezed from the tomato. Previously presented
The method of claim 26, wherein the fresh tomato juice is free of additives, and the fresh tomato juice is not diluted with other liquids before being added to the suspension. Previously presented
The method of claim 26, wherein the weight ratio of the amount of fresh tomato juice added to the amount of the suspension is about 2:1 to about 1:2. Previously presented
The method of claim 26, wherein the time period is not less than 22 hours, and not more than 30 hours. Previously presented
A method comprising: forming a suspension comprising a solvent and graphite oxide, and the suspension optionally comprising graphene oxide; adding fresh tomato juice to the suspension; sonicating the suspension before, after, and/or during the addition of fresh tomato juice; after sonication, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to allow for the formation of a solid product, the solid product comprising graphene, at least a portion of the Amendment under 37 C.F.R. § 1.312 Attorney Docket No. 432743.10080 graphene resulting from at least partial reduction of the exfoliated graphite oxide, and, if present, the exfoliated graphene oxide; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 34, wherein the solvent comprises water, and at least 99 wt % of the suspension consists of water and graphite oxide, or, if graphene oxide is present, at least 99 wt % of the suspension consists of water and graphite oxide and graphene oxide. Previously presented
The method of claim 34, wherein about 0.2 comprises graphite oxide, or if graphene oxide is suspension comprises a combination of graphite
The method of claim 34, wherein the weight to the amount of the suspension is about 2: 1 to
The method of claim 34, wherein the time 30 hours. Previously presented wt % to about 5.0 wt % of the suspension present, about 0.2 wt % to about 5.0 wt % of the oxide and graphene oxide. Previously presented ratio of the amount of fresh tomato juice added about 1:2. Previously presented period is not less than 22 hours, and not more than
Materials described outside the worked examples.
graphite
C
graphene oxide
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 depicts the X-ray diffraction (XRD) pattern of graphite.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 80000–3175000 nm | — |
Duration | 300–21600 s |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,252,915Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 depicts the X-ray diffraction (XRD) pattern of graphite.
FIG. 2 depicts the X-ray diffraction (XRD) pattern of graphene oxide.
FIG. 3 depicts the X-ray diffraction (XRD) pattern of a graphene oxide sample produced by an embodiment of the present invention.
FIG. 4 depicts the Raman spectra of graphite.
FIG. 5 depicts the Raman spectra of graphene oxide.
FIG. 6 depicts the Raman spectra of a graphene oxide sample produced by an embodiment of the present invention.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method comprising: forming a suspension comprising a solvent and a product of oxidation of graphite, the product of oxidation of graphite comprising graphene oxide, graphite oxide, or a combination thereof, wherein the graphene oxide, the graphite oxide, or the combination thereof comprise about 0.01 wt % to about 25 wt % of the suspension; adding fresh tomato juice to the suspension; exfoliating the product of oxidation of graphite, exfoliating graphite during formation of the product of oxidation of graphite, or a combination thereof, after exfoliation, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to form a solid product, the solid product comprising the exfoliated graphene oxide, the exfoliated graphite oxide, or both, that have been at least partially reduced to graphene; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 1, wherein the exfoliation comprises ultrasonication. Original
The method of claim 1, wherein the solvent comprises water. Original
The method of claim 1, wherein the fresh tomato juice is added to the suspension within 45 minutes of the juice being squeezed from the tomato. Original
The method of claim 1, wherein the fresh tomato juice is free of additives. Original
The method of claim 1, wherein the fresh tomato juice is not diluted with other liquids before being added to the suspension. Original
The method of claim 1, wherein the weight ratio of the amount of fresh tomato juice added to the amount of the suspension is about 2:1 to about 1:2. Previously presented
The method of claim 1, wherein the time period is not less than 22 hours, and not more than 30 hours. Previously presented
The method of claim 1, wherein the graphene oxide, the graphite oxide, or the combination thereof comprise about 0.1 wt % to about 15 wt % of the suspension. Previously presented
The method of claim 1, wherein the graphene oxide, the graphite oxide, or the combination thereof comprise about 0.2 wt % to about 5 wt % of the suspension. Previously presented
Canceled
A method comprising: forming a suspension comprising a solvent and a product of oxidation of graphite, the product of oxidation of graphite comprising graphene oxide, graphite oxide, or a combination thereof, wherein the graphene oxide, the g raphite oxide, or the combination thereof, and the SVG 15918994.01-14-2019.JQZHFUFLLXEAPX5.CLM.1.svg 0.16 3.42 Black and white Amendment under 37 C.F.R. § 1.312 Attorney Docket No. 432743.10080 SVG 15918994.01-14-2019.JQZHFUFLLXEAPX5.CLM.2.svg 0.16 2.92 Black and white exfoliating the product of oxidation of graphite, exfoliating graphite during formation of the product of oxidation of graphite, or a combination thereof, after exfoliation, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to form a solid product, the solid product comprising the exfoliated graphene oxide, the exfoliated graphite oxide, or both, that have been at least partially reduced to graphene; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 15, wherein the exfoliation comprises ultrasonication. Previously presented
The method of claim 15, wherein the solvent comprises water. Previously presented
The method of claim 15, wherein the graphene oxide, the g raphite oxide, or the combination thereof comprises about 0.1 wt % to about 3.0 wt % of the suspension. Currently amended
The method of claim 15, wherein the fresh tomato juice is added to the suspension within 45 minutes of the juice being squeezed from the tomato. Previously presented
The method of claim 15, wherein the fresh tomato juice is free of additives, and the fresh tomato juice is not diluted with other liquids before being added to the suspension. Previously presented
The method of claim 15, wherein the weight ratio of the amount of fresh tomato juice added to the amount of the suspension is about 2:1 to about 1:2. Previously presented
The method of claim 15, wherein the time period is not less than 22 hours, and not more than 30 hours. Previously presented
A method comprising: forming a suspension comprising a solvent and graphite oxide, and the suspension optionally comprising graphene oxide; wherein about 0.01 wt % to about 25 wt % of the suspension is graphite oxide, or if graphene oxide is present, about 0.01 wt % to about 25 wt % of the suspension is graphite oxide and graphene oxide; adding fresh tomato juice to the suspension; exfoliating the graphite oxide, and optionally, the graphene oxide, if present; after exfoliation, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to allow for the formation of a solid product, the solid product comprising graphene, at least a portion of the graphene resulting from at least partial reduction of the exfoliated graphite oxide, and, if present, the exfoliated graphene oxide; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 26, wherein the suspension with added fresh tomato juice is subjected to ultrasonication and the ultrasonication is executed for at least 5 minutes and not more than 6 hours. Previously presented
The method of claim 26, wherein the solvent comprises water, and at least 99 wt % of the suspension consists of water and graphite oxide, or, if graphene oxide is present, at least 99 wt % of the suspension consists of water and graphite oxide and graphene oxide. Previously presented
The method of claim 26, wherein about 0.1 wt % to about 15 wt % of the suspension comprises graphite oxide, or if graphene oxide is present, about 0.1 wt % to about 15 wt % of the suspension comprises a combination of graphite oxide and graphene oxide. Previously presented
The method of claim 26, wherein the fresh tomato juice is added to the suspension within 45 minutes of the juice being squeezed from the tomato. Previously presented
The method of claim 26, wherein the fresh tomato juice is free of additives, and the fresh tomato juice is not diluted with other liquids before being added to the suspension. Previously presented
The method of claim 26, wherein the weight ratio of the amount of fresh tomato juice added to the amount of the suspension is about 2:1 to about 1:2. Previously presented
The method of claim 26, wherein the time period is not less than 22 hours, and not more than 30 hours. Previously presented
A method comprising: forming a suspension comprising a solvent and graphite oxide, and the suspension optionally comprising graphene oxide; adding fresh tomato juice to the suspension; sonicating the suspension before, after, and/or during the addition of fresh tomato juice; after sonication, allowing the suspension with added fresh tomato juice to sit quiescently for a time period at a temperature in the range of about 18 0 C to about 25 0 C to allow for the formation of a solid product, the solid product comprising graphene, at least a portion of the Amendment under 37 C.F.R. § 1.312 Attorney Docket No. 432743.10080 graphene resulting from at least partial reduction of the exfoliated graphite oxide, and, if present, the exfoliated graphene oxide; after the time period, separating the solid product comprising graphene from the suspension with added fresh tomato juice. Currently amended
The method of claim 34, wherein the solvent comprises water, and at least 99 wt % of the suspension consists of water and graphite oxide, or, if graphene oxide is present, at least 99 wt % of the suspension consists of water and graphite oxide and graphene oxide. Previously presented
The method of claim 34, wherein about 0.2 comprises graphite oxide, or if graphene oxide is suspension comprises a combination of graphite
The method of claim 34, wherein the weight to the amount of the suspension is about 2: 1 to
The method of claim 34, wherein the time 30 hours. Previously presented wt % to about 5.0 wt % of the suspension present, about 0.2 wt % to about 5.0 wt % of the oxide and graphene oxide. Previously presented ratio of the amount of fresh tomato juice added about 1:2. Previously presented period is not less than 22 hours, and not more than
Materials described outside the worked examples.
graphite
C
graphene oxide
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 1 depicts the X-ray diffraction (XRD) pattern of graphite.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 80000–3175000 nm | — |
Duration | 300–21600 s |
Related documents with shared materials, methods, properties, or citations.
graphite oxide
fresh tomato juice
water
H₂O
FIG. 2 depicts the X-ray diffraction (XRD) pattern of graphene oxide.
FIG. 3 depicts the X-ray diffraction (XRD) pattern of a graphene oxide sample produced by an embodiment of the present invention.
FIG. 4 depicts the Raman spectra of graphite.
FIG. 6 depicts the Raman spectra of a graphene oxide sample produced by an embodiment of the present invention.
| — |
Duration | 900–10800 s | — |
Duration | 1200–7200 s | — |
Duration | 1800–3600 s | — |
Duration | 12–72 hours | — |
Thickness | 50–100 nm | — |
Duration | ≤ 18 hours | — |
Duration | ≤ 20 hours | — |
Duration | ≤ 22 hours | — |
Duration | ≥ 48 hours | — |
Duration | ≥ 36 hours | — |
Duration | ≥ 30 hours | — |
Duration | ≥ 45 minutes | — |
Duration | ≥ 5 minutes | — |
Duration | ≥ 6 hours | — |
graphite oxide
fresh tomato juice
water
H₂O
FIG. 2 depicts the X-ray diffraction (XRD) pattern of graphene oxide.
FIG. 3 depicts the X-ray diffraction (XRD) pattern of a graphene oxide sample produced by an embodiment of the present invention.
FIG. 4 depicts the Raman spectra of graphite.
FIG. 6 depicts the Raman spectra of a graphene oxide sample produced by an embodiment of the present invention.
| — |
Duration | 900–10800 s | — |
Duration | 1200–7200 s | — |
Duration | 1800–3600 s | — |
Duration | 12–72 hours | — |
Thickness | 50–100 nm | — |
Duration | ≤ 18 hours | — |
Duration | ≤ 20 hours | — |
Duration | ≤ 22 hours | — |
Duration | ≥ 48 hours | — |
Duration | ≥ 36 hours | — |
Duration | ≥ 30 hours | — |
Duration | ≥ 45 minutes | — |
Duration | ≥ 5 minutes | — |
Duration | ≥ 6 hours | — |
graphite oxide
fresh tomato juice
water
H₂O
FIG. 2 depicts the X-ray diffraction (XRD) pattern of graphene oxide.
FIG. 3 depicts the X-ray diffraction (XRD) pattern of a graphene oxide sample produced by an embodiment of the present invention.
FIG. 4 depicts the Raman spectra of graphite.
FIG. 6 depicts the Raman spectra of a graphene oxide sample produced by an embodiment of the present invention.
| — |
Duration | 900–10800 s | — |
Duration | 1200–7200 s | — |
Duration | 1800–3600 s | — |
Duration | 12–72 hours | — |
Thickness | 50–100 nm | — |
Duration | ≤ 18 hours | — |
Duration | ≤ 20 hours | — |
Duration | ≤ 22 hours | — |
Duration | ≥ 48 hours | — |
Duration | ≥ 36 hours | — |
Duration | ≥ 30 hours | — |
Duration | ≥ 45 minutes | — |
Duration | ≥ 5 minutes | — |
Duration | ≥ 6 hours | — |
graphite oxide
fresh tomato juice
water
H₂O
FIG. 2 depicts the X-ray diffraction (XRD) pattern of graphene oxide.
FIG. 3 depicts the X-ray diffraction (XRD) pattern of a graphene oxide sample produced by an embodiment of the present invention.
FIG. 4 depicts the Raman spectra of graphite.
FIG. 6 depicts the Raman spectra of a graphene oxide sample produced by an embodiment of the present invention.
| — |
Duration | 900–10800 s | — |
Duration | 1200–7200 s | — |
Duration | 1800–3600 s | — |
Duration | 12–72 hours | — |
Thickness | 50–100 nm | — |
Duration | ≤ 18 hours | — |
Duration | ≤ 20 hours | — |
Duration | ≤ 22 hours | — |
Duration | ≥ 48 hours | — |
Duration | ≥ 36 hours | — |
Duration | ≥ 30 hours | — |
Duration | ≥ 45 minutes | — |
Duration | ≥ 5 minutes | — |
Duration | ≥ 6 hours | — |