Patent
US 9,527,742GRAPHENE SHEET AND PROCESS OF PREPARING THE SAME
Jae-young CHOI
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,527,742Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an exemplary depiction that schematically shows a process of preparing a graphene sheet; 15
FIG. 2 is an exemplary depiction that schematically shows a polymer coated on a catalyst;
FIG. 3 is an exemplary depiction that schematically shows a structure of a graphene sheet formed on a catalyst; and
FIG. 4 is an exemplary depiction that schematically shows a stack of polymers 20 having a hydrophilic part and a hydrophobic part.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process of preparing a graphene sheet, the process comprising: SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.9.1108.898.1534.934.svg 0.12 1.42 Chemistry Black and white disposing a graphitizing catalyst -upon a substrate; disposing a polymer on the graphitizing catalyst; and SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.11.261.1060.2240.1922.svg 2.873 6.597 Chemistry Black and white SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.15.446.2019.1954.2099.svg 0.267 5.027 Chemistry Black and white a ucted ieteao SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.16.429.2146.2228.2236.svg 0.30 5.997 Chemistry Black and white inert o d
SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.17.302.2277.818.2312.svg 0.117 1.72 Chemistry Black and white 5. The process of claim 1, flrheri h cmrsinseaatei iicn.h rahn SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.18.451.2450.2174.2495.svg 0.15 5.743 Chemistry Black and white SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.18.301.2536.893.2581.svg 0.15 1.973 Chemistry Black and white SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.18.452.2709.2162.2754.svg 0.15 5.70 Chemistry Black and white sheet from the graphitizing catalyst in an acid solution. RD₂₀₀ ' 7060021US₁ Page 2 of 11 SI -311 94-USDIV YPL O₅ 52USD Application 13/305,192 Response dated: In Reply to Final Office Action dated:
The process of claim 1, wherein a width and a length of the graphene sheet are each about 1 millimeter or greater.
The process of claim 1, the polymer is a self-assembling polymer.
The process of claim 1, wherein the thickness of the graphene sheet is controlled by adjusting the amount of the polymer that is disposed upon the graphitizing catalyst.
The process of claim 1, wherein the heat-treatment is selectively applied to the graphitizing catalyst.
The process of claim 1, the graphitizing catalyst is in the form of a sheet. RD₂₀₀₇₀₆₀₀₂₁US 1 Page 5 of 11 SI -31194-USDIV YPL 05 52USD
canceled
A process of preparing a graphene sheet, the process comprising: disposing a graphitizing catalyst in the form of a sheet upon a silicon substrate, the graphitizing catalyst being in intimate contact with the silicon substrate; disposing a polymer on the graphitizing catalyst; and RD₂₀₀ ' 7060021US₁ Page 3 of 11 SI -311 94-USDIV YPL O₅ 52USD Application 13/305,192 Response dated: In Reply to Final Office Action dated: SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.2.17.261.1923.2240.2754.svg 2.77 6.597 Chemistry Black and white
The process of claim 11, wherein a width and a length of the graphene sheet are each about 1 millimeter or greater.
A graphene sheet comprising: polycyclic aromatic molecules in which a plurality of carbon atoms are covalently bound to each other, wherein the graphene sheet has about 1 to about 300 layers and wherein the width and length of the graphene sheet are each about 1 mm or greater. withdrawn
The graphene sheet of claim 13, wherein the width and length of the graphene sheet are each from about 1 to about 1,000 mm. withdrawn
A hydrogen storage medium comprising a graphene sheet according to claim 13. withdrawn
An electrical device comprising a graphene sheet according to claim 13. withdrawn
A graphene sheet prepared by a process, the process comprising: disposing a graphitizing catalyst upon a substrate; disposing a polymer on the graphitizing catalyst; and heat-treating the polymer on the graphitizing catalyst to form a graphene sheet. wherein a width and a length of the graphene sheet are each about 1 millimeter or greater. withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
graphene substrate
Materials described outside the worked examples.
graphitizing catalyst
graphitizing catalyst (transition metal)
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fet Mobility | 20000–50000 cm2/(V·s) | C |
Thickness | 10–1000 mm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,527,742Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an exemplary depiction that schematically shows a process of preparing a graphene sheet; 15
FIG. 2 is an exemplary depiction that schematically shows a polymer coated on a catalyst;
FIG. 3 is an exemplary depiction that schematically shows a structure of a graphene sheet formed on a catalyst; and
FIG. 4 is an exemplary depiction that schematically shows a stack of polymers 20 having a hydrophilic part and a hydrophobic part.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process of preparing a graphene sheet, the process comprising: SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.9.1108.898.1534.934.svg 0.12 1.42 Chemistry Black and white disposing a graphitizing catalyst -upon a substrate; disposing a polymer on the graphitizing catalyst; and SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.11.261.1060.2240.1922.svg 2.873 6.597 Chemistry Black and white SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.15.446.2019.1954.2099.svg 0.267 5.027 Chemistry Black and white a ucted ieteao SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.16.429.2146.2228.2236.svg 0.30 5.997 Chemistry Black and white inert o d
SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.17.302.2277.818.2312.svg 0.117 1.72 Chemistry Black and white 5. The process of claim 1, flrheri h cmrsinseaatei iicn.h rahn SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.18.451.2450.2174.2495.svg 0.15 5.743 Chemistry Black and white SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.18.301.2536.893.2581.svg 0.15 1.973 Chemistry Black and white SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.18.452.2709.2162.2754.svg 0.15 5.70 Chemistry Black and white sheet from the graphitizing catalyst in an acid solution. RD₂₀₀ ' 7060021US₁ Page 2 of 11 SI -311 94-USDIV YPL O₅ 52USD Application 13/305,192 Response dated: In Reply to Final Office Action dated:
The process of claim 1, wherein a width and a length of the graphene sheet are each about 1 millimeter or greater.
The process of claim 1, the polymer is a self-assembling polymer.
The process of claim 1, wherein the thickness of the graphene sheet is controlled by adjusting the amount of the polymer that is disposed upon the graphitizing catalyst.
The process of claim 1, wherein the heat-treatment is selectively applied to the graphitizing catalyst.
The process of claim 1, the graphitizing catalyst is in the form of a sheet. RD₂₀₀₇₀₆₀₀₂₁US 1 Page 5 of 11 SI -31194-USDIV YPL 05 52USD
canceled
A process of preparing a graphene sheet, the process comprising: disposing a graphitizing catalyst in the form of a sheet upon a silicon substrate, the graphitizing catalyst being in intimate contact with the silicon substrate; disposing a polymer on the graphitizing catalyst; and RD₂₀₀ ' 7060021US₁ Page 3 of 11 SI -311 94-USDIV YPL O₅ 52USD Application 13/305,192 Response dated: In Reply to Final Office Action dated: SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.2.17.261.1923.2240.2754.svg 2.77 6.597 Chemistry Black and white
The process of claim 11, wherein a width and a length of the graphene sheet are each about 1 millimeter or greater.
A graphene sheet comprising: polycyclic aromatic molecules in which a plurality of carbon atoms are covalently bound to each other, wherein the graphene sheet has about 1 to about 300 layers and wherein the width and length of the graphene sheet are each about 1 mm or greater. withdrawn
The graphene sheet of claim 13, wherein the width and length of the graphene sheet are each from about 1 to about 1,000 mm. withdrawn
A hydrogen storage medium comprising a graphene sheet according to claim 13. withdrawn
An electrical device comprising a graphene sheet according to claim 13. withdrawn
A graphene sheet prepared by a process, the process comprising: disposing a graphitizing catalyst upon a substrate; disposing a polymer on the graphitizing catalyst; and heat-treating the polymer on the graphitizing catalyst to form a graphene sheet. wherein a width and a length of the graphene sheet are each about 1 millimeter or greater. withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
graphene substrate
Materials described outside the worked examples.
graphitizing catalyst
graphitizing catalyst (transition metal)
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fet Mobility | 20000–50000 cm2/(V·s) | C |
Thickness | 10–1000 mm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,527,742Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an exemplary depiction that schematically shows a process of preparing a graphene sheet; 15
FIG. 2 is an exemplary depiction that schematically shows a polymer coated on a catalyst;
FIG. 3 is an exemplary depiction that schematically shows a structure of a graphene sheet formed on a catalyst; and
FIG. 4 is an exemplary depiction that schematically shows a stack of polymers 20 having a hydrophilic part and a hydrophobic part.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process of preparing a graphene sheet, the process comprising: SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.9.1108.898.1534.934.svg 0.12 1.42 Chemistry Black and white disposing a graphitizing catalyst -upon a substrate; disposing a polymer on the graphitizing catalyst; and SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.11.261.1060.2240.1922.svg 2.873 6.597 Chemistry Black and white SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.15.446.2019.1954.2099.svg 0.267 5.027 Chemistry Black and white a ucted ieteao SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.16.429.2146.2228.2236.svg 0.30 5.997 Chemistry Black and white inert o d
SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.17.302.2277.818.2312.svg 0.117 1.72 Chemistry Black and white 5. The process of claim 1, flrheri h cmrsinseaatei iicn.h rahn SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.18.451.2450.2174.2495.svg 0.15 5.743 Chemistry Black and white SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.18.301.2536.893.2581.svg 0.15 1.973 Chemistry Black and white SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.18.452.2709.2162.2754.svg 0.15 5.70 Chemistry Black and white sheet from the graphitizing catalyst in an acid solution. RD₂₀₀ ' 7060021US₁ Page 2 of 11 SI -311 94-USDIV YPL O₅ 52USD Application 13/305,192 Response dated: In Reply to Final Office Action dated:
The process of claim 1, wherein a width and a length of the graphene sheet are each about 1 millimeter or greater.
The process of claim 1, the polymer is a self-assembling polymer.
The process of claim 1, wherein the thickness of the graphene sheet is controlled by adjusting the amount of the polymer that is disposed upon the graphitizing catalyst.
The process of claim 1, wherein the heat-treatment is selectively applied to the graphitizing catalyst.
The process of claim 1, the graphitizing catalyst is in the form of a sheet. RD₂₀₀₇₀₆₀₀₂₁US 1 Page 5 of 11 SI -31194-USDIV YPL 05 52USD
canceled
A process of preparing a graphene sheet, the process comprising: disposing a graphitizing catalyst in the form of a sheet upon a silicon substrate, the graphitizing catalyst being in intimate contact with the silicon substrate; disposing a polymer on the graphitizing catalyst; and RD₂₀₀ ' 7060021US₁ Page 3 of 11 SI -311 94-USDIV YPL O₅ 52USD Application 13/305,192 Response dated: In Reply to Final Office Action dated: SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.2.17.261.1923.2240.2754.svg 2.77 6.597 Chemistry Black and white
The process of claim 11, wherein a width and a length of the graphene sheet are each about 1 millimeter or greater.
A graphene sheet comprising: polycyclic aromatic molecules in which a plurality of carbon atoms are covalently bound to each other, wherein the graphene sheet has about 1 to about 300 layers and wherein the width and length of the graphene sheet are each about 1 mm or greater. withdrawn
The graphene sheet of claim 13, wherein the width and length of the graphene sheet are each from about 1 to about 1,000 mm. withdrawn
A hydrogen storage medium comprising a graphene sheet according to claim 13. withdrawn
An electrical device comprising a graphene sheet according to claim 13. withdrawn
A graphene sheet prepared by a process, the process comprising: disposing a graphitizing catalyst upon a substrate; disposing a polymer on the graphitizing catalyst; and heat-treating the polymer on the graphitizing catalyst to form a graphene sheet. wherein a width and a length of the graphene sheet are each about 1 millimeter or greater. withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
graphene substrate
Materials described outside the worked examples.
graphitizing catalyst
graphitizing catalyst (transition metal)
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fet Mobility | 20000–50000 cm2/(V·s) | C |
Thickness | 10–1000 mm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,527,742Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is an exemplary depiction that schematically shows a process of preparing a graphene sheet; 15
FIG. 2 is an exemplary depiction that schematically shows a polymer coated on a catalyst;
FIG. 3 is an exemplary depiction that schematically shows a structure of a graphene sheet formed on a catalyst; and
FIG. 4 is an exemplary depiction that schematically shows a stack of polymers 20 having a hydrophilic part and a hydrophobic part.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process of preparing a graphene sheet, the process comprising: SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.9.1108.898.1534.934.svg 0.12 1.42 Chemistry Black and white disposing a graphitizing catalyst -upon a substrate; disposing a polymer on the graphitizing catalyst; and SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.11.261.1060.2240.1922.svg 2.873 6.597 Chemistry Black and white SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.15.446.2019.1954.2099.svg 0.267 5.027 Chemistry Black and white a ucted ieteao SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.16.429.2146.2228.2236.svg 0.30 5.997 Chemistry Black and white inert o d
SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.17.302.2277.818.2312.svg 0.117 1.72 Chemistry Black and white 5. The process of claim 1, flrheri h cmrsinseaatei iicn.h rahn SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.18.451.2450.2174.2495.svg 0.15 5.743 Chemistry Black and white SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.18.301.2536.893.2581.svg 0.15 1.973 Chemistry Black and white SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.1.18.452.2709.2162.2754.svg 0.15 5.70 Chemistry Black and white sheet from the graphitizing catalyst in an acid solution. RD₂₀₀ ' 7060021US₁ Page 2 of 11 SI -311 94-USDIV YPL O₅ 52USD Application 13/305,192 Response dated: In Reply to Final Office Action dated:
The process of claim 1, wherein a width and a length of the graphene sheet are each about 1 millimeter or greater.
The process of claim 1, the polymer is a self-assembling polymer.
The process of claim 1, wherein the thickness of the graphene sheet is controlled by adjusting the amount of the polymer that is disposed upon the graphitizing catalyst.
The process of claim 1, wherein the heat-treatment is selectively applied to the graphitizing catalyst.
The process of claim 1, the graphitizing catalyst is in the form of a sheet. RD₂₀₀₇₀₆₀₀₂₁US 1 Page 5 of 11 SI -31194-USDIV YPL 05 52USD
canceled
A process of preparing a graphene sheet, the process comprising: disposing a graphitizing catalyst in the form of a sheet upon a silicon substrate, the graphitizing catalyst being in intimate contact with the silicon substrate; disposing a polymer on the graphitizing catalyst; and RD₂₀₀ ' 7060021US₁ Page 3 of 11 SI -311 94-USDIV YPL O₅ 52USD Application 13/305,192 Response dated: In Reply to Final Office Action dated: SVG 13305192.08-27-2015.IDVHFS₆YPXXIFW3.CLM.2.17.261.1923.2240.2754.svg 2.77 6.597 Chemistry Black and white
The process of claim 11, wherein a width and a length of the graphene sheet are each about 1 millimeter or greater.
A graphene sheet comprising: polycyclic aromatic molecules in which a plurality of carbon atoms are covalently bound to each other, wherein the graphene sheet has about 1 to about 300 layers and wherein the width and length of the graphene sheet are each about 1 mm or greater. withdrawn
The graphene sheet of claim 13, wherein the width and length of the graphene sheet are each from about 1 to about 1,000 mm. withdrawn
A hydrogen storage medium comprising a graphene sheet according to claim 13. withdrawn
An electrical device comprising a graphene sheet according to claim 13. withdrawn
A graphene sheet prepared by a process, the process comprising: disposing a graphitizing catalyst upon a substrate; disposing a polymer on the graphitizing catalyst; and heat-treating the polymer on the graphitizing catalyst to form a graphene sheet. wherein a width and a length of the graphene sheet are each about 1 millimeter or greater. withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
graphene substrate
Materials described outside the worked examples.
graphitizing catalyst
graphitizing catalyst (transition metal)
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fet Mobility | 20000–50000 cm2/(V·s) | C |
Thickness | 10–1000 mm |
Related documents with shared materials, methods, properties, or citations.
polymer
graphene sheet
C
silicon substrate
Si
amphiphilic polymer
conductive polymer
liquid crystal polymer
| — |
Duration | 0.1–10 hours | — |
Thickness | ≥ 1 mm | — |
Thickness | 1–1000 mm | — |
polymer
graphene sheet
C
silicon substrate
Si
amphiphilic polymer
conductive polymer
liquid crystal polymer
| — |
Duration | 0.1–10 hours | — |
Thickness | ≥ 1 mm | — |
Thickness | 1–1000 mm | — |
polymer
graphene sheet
C
silicon substrate
Si
amphiphilic polymer
conductive polymer
liquid crystal polymer
| — |
Duration | 0.1–10 hours | — |
Thickness | ≥ 1 mm | — |
Thickness | 1–1000 mm | — |
polymer
graphene sheet
C
silicon substrate
Si
amphiphilic polymer
conductive polymer
liquid crystal polymer
| — |
Duration | 0.1–10 hours | — |
Thickness | ≥ 1 mm | — |
Thickness | 1–1000 mm | — |