Patent
US 10,220,366PARTICLES COMPRISING STACKED GRAPHENE LAYERS
WALTERS, Ian, WALTERS, Dylan
PERPETUUS RESEARCH & DEVELOPMENT LIMITED·US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,220,366Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A particle including a plurality of stacked sub-structures, each sub- structure including a stack of graphene layers, in which the separation between successive stacked sub-structures is greater than the separation between successive graphene layers in each sub-structure, wherein the substructures have a net negative charge. Currently amended
A particle according to Claim 1 in which the separation between successive stacked substructures is in the range 2 to 100 nm. Currently amended
A particle according to Claim 1 in which the sub-substructures each have a stack thickness which is in the range 0.7 to 15nm. Currently amended
(Previously Amended) A particle according to Claim 1 in which each sub-structure includes a stack of between 2 and 12 graphene layers.
(Previously Amended) A particle according to Claim 1 in which the sub-structures each have a stack thickness, and the stack thicknesses are less than the separation between successive stacked sub-structures.
A particle according to Claim 1 having a thickness in the range 0.7 to 5 microns. Currently amended
A particle according to Claim 1 having a width in the range of 1 to 15 microns. Currently amended
(Previously Amended) A particle according to Claim 1 which has Stone-Wales defects.
A particle according to Claim 1 which has a carbon content of greater than 80 wt. %. Currently amended
(Previously Amended) A particle according to Claim 1 in which at least some of the graphene layers in the sub-structures are doped and/or surface modified.
21. (Previously Amended) A particle according to Claim 1 further including an intercalated substance which is intercalated between successive stacked sub-structures. Canceled
24. Particulate material including a plurality of particles according to Claim 1. Original
A particle according to Claim 1 in which the separation between successive stacked substructures is in the range 5 to 50 nm. New
A particle according to Claim 1 in which the separation between successive stacked substructures is in the range 10 to 20 nm. New
A particle according to Claim 1 in which the sub-substructures each have a stack thickness which is in the range 0.7 to 4nm. 40. A particle according to Claim 1 having a thickness in the range 1 to 5 microns. New
A particle according to Claim 1 having a thickness in the range 1.5 to 3 microns. New
A particle according to Claim 1 having a width in the range of 2 to 5 microns. New
A particle according to Claim 1 which has a carbon content of greater than 90 wt. %. New
Canceled
Canceled
Canceled
A particle according to Claim 18 in which the metal is one or more of silver, gold, platinum, copper and iron. Original
(Previously Amended) A particle according to Claim 21 in which the intercalated substance is sulfur or hydrogen.
Particulate material according to Claim 24 having a surface area in the range 15 to 70 m 2 g -1. 26. (Previously Amended) Particulate material according to Claim 24 which is crystalline. Original
(Previously Amended) Particular material according to claims 24 made by subjecting a starting material to a plasma treatment.
A method of making particulate material according to Claim 24 including subjecting a starting material to a plasma treatment. Withdrawn
A method according to Claim 28 in which the plasma treatment includes generating plasma using a plurality of electrodes which are moved during the plasma treatment to agitate the starting material and/or the particulate material. Withdrawn
30-36. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
particle with stacked graphene sub-structures
Materials described outside the worked examples.
graphene stacked sub-structure particle
silicon, sulfur or selenium (decoration material)
metal (silver, gold, platinum, copper, iron)
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Surface Area | 15–70 m2 g-1 | graphene stacked sub-structure particle |
Duration | 10–180 minutes |
Patent
Atlas literature
Patent
US 10,220,366Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A particle including a plurality of stacked sub-structures, each sub- structure including a stack of graphene layers, in which the separation between successive stacked sub-structures is greater than the separation between successive graphene layers in each sub-structure, wherein the substructures have a net negative charge. Currently amended
A particle according to Claim 1 in which the separation between successive stacked substructures is in the range 2 to 100 nm. Currently amended
A particle according to Claim 1 in which the sub-substructures each have a stack thickness which is in the range 0.7 to 15nm. Currently amended
(Previously Amended) A particle according to Claim 1 in which each sub-structure includes a stack of between 2 and 12 graphene layers.
(Previously Amended) A particle according to Claim 1 in which the sub-structures each have a stack thickness, and the stack thicknesses are less than the separation between successive stacked sub-structures.
A particle according to Claim 1 having a thickness in the range 0.7 to 5 microns. Currently amended
A particle according to Claim 1 having a width in the range of 1 to 15 microns. Currently amended
(Previously Amended) A particle according to Claim 1 which has Stone-Wales defects.
A particle according to Claim 1 which has a carbon content of greater than 80 wt. %. Currently amended
(Previously Amended) A particle according to Claim 1 in which at least some of the graphene layers in the sub-structures are doped and/or surface modified.
21. (Previously Amended) A particle according to Claim 1 further including an intercalated substance which is intercalated between successive stacked sub-structures. Canceled
24. Particulate material including a plurality of particles according to Claim 1. Original
A particle according to Claim 1 in which the separation between successive stacked substructures is in the range 5 to 50 nm. New
A particle according to Claim 1 in which the separation between successive stacked substructures is in the range 10 to 20 nm. New
A particle according to Claim 1 in which the sub-substructures each have a stack thickness which is in the range 0.7 to 4nm. 40. A particle according to Claim 1 having a thickness in the range 1 to 5 microns. New
A particle according to Claim 1 having a thickness in the range 1.5 to 3 microns. New
A particle according to Claim 1 having a width in the range of 2 to 5 microns. New
A particle according to Claim 1 which has a carbon content of greater than 90 wt. %. New
Canceled
Canceled
Canceled
A particle according to Claim 18 in which the metal is one or more of silver, gold, platinum, copper and iron. Original
(Previously Amended) A particle according to Claim 21 in which the intercalated substance is sulfur or hydrogen.
Particulate material according to Claim 24 having a surface area in the range 15 to 70 m 2 g -1. 26. (Previously Amended) Particulate material according to Claim 24 which is crystalline. Original
(Previously Amended) Particular material according to claims 24 made by subjecting a starting material to a plasma treatment.
A method of making particulate material according to Claim 24 including subjecting a starting material to a plasma treatment. Withdrawn
A method according to Claim 28 in which the plasma treatment includes generating plasma using a plurality of electrodes which are moved during the plasma treatment to agitate the starting material and/or the particulate material. Withdrawn
30-36. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
particle with stacked graphene sub-structures
Materials described outside the worked examples.
graphene stacked sub-structure particle
silicon, sulfur or selenium (decoration material)
metal (silver, gold, platinum, copper, iron)
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Surface Area | 15–70 m2 g-1 | graphene stacked sub-structure particle |
Duration | 10–180 minutes |
Patent
Atlas literature
Patent
US 10,220,366Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A particle including a plurality of stacked sub-structures, each sub- structure including a stack of graphene layers, in which the separation between successive stacked sub-structures is greater than the separation between successive graphene layers in each sub-structure, wherein the substructures have a net negative charge. Currently amended
A particle according to Claim 1 in which the separation between successive stacked substructures is in the range 2 to 100 nm. Currently amended
A particle according to Claim 1 in which the sub-substructures each have a stack thickness which is in the range 0.7 to 15nm. Currently amended
(Previously Amended) A particle according to Claim 1 in which each sub-structure includes a stack of between 2 and 12 graphene layers.
(Previously Amended) A particle according to Claim 1 in which the sub-structures each have a stack thickness, and the stack thicknesses are less than the separation between successive stacked sub-structures.
A particle according to Claim 1 having a thickness in the range 0.7 to 5 microns. Currently amended
A particle according to Claim 1 having a width in the range of 1 to 15 microns. Currently amended
(Previously Amended) A particle according to Claim 1 which has Stone-Wales defects.
A particle according to Claim 1 which has a carbon content of greater than 80 wt. %. Currently amended
(Previously Amended) A particle according to Claim 1 in which at least some of the graphene layers in the sub-structures are doped and/or surface modified.
21. (Previously Amended) A particle according to Claim 1 further including an intercalated substance which is intercalated between successive stacked sub-structures. Canceled
24. Particulate material including a plurality of particles according to Claim 1. Original
A particle according to Claim 1 in which the separation between successive stacked substructures is in the range 5 to 50 nm. New
A particle according to Claim 1 in which the separation between successive stacked substructures is in the range 10 to 20 nm. New
A particle according to Claim 1 in which the sub-substructures each have a stack thickness which is in the range 0.7 to 4nm. 40. A particle according to Claim 1 having a thickness in the range 1 to 5 microns. New
A particle according to Claim 1 having a thickness in the range 1.5 to 3 microns. New
A particle according to Claim 1 having a width in the range of 2 to 5 microns. New
A particle according to Claim 1 which has a carbon content of greater than 90 wt. %. New
Canceled
Canceled
Canceled
A particle according to Claim 18 in which the metal is one or more of silver, gold, platinum, copper and iron. Original
(Previously Amended) A particle according to Claim 21 in which the intercalated substance is sulfur or hydrogen.
Particulate material according to Claim 24 having a surface area in the range 15 to 70 m 2 g -1. 26. (Previously Amended) Particulate material according to Claim 24 which is crystalline. Original
(Previously Amended) Particular material according to claims 24 made by subjecting a starting material to a plasma treatment.
A method of making particulate material according to Claim 24 including subjecting a starting material to a plasma treatment. Withdrawn
A method according to Claim 28 in which the plasma treatment includes generating plasma using a plurality of electrodes which are moved during the plasma treatment to agitate the starting material and/or the particulate material. Withdrawn
30-36. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
particle with stacked graphene sub-structures
Materials described outside the worked examples.
graphene stacked sub-structure particle
silicon, sulfur or selenium (decoration material)
metal (silver, gold, platinum, copper, iron)
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Surface Area | 15–70 m2 g-1 | graphene stacked sub-structure particle |
Duration | 10–180 minutes |
Patent
Atlas literature
Patent
US 10,220,366Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A particle including a plurality of stacked sub-structures, each sub- structure including a stack of graphene layers, in which the separation between successive stacked sub-structures is greater than the separation between successive graphene layers in each sub-structure, wherein the substructures have a net negative charge. Currently amended
A particle according to Claim 1 in which the separation between successive stacked substructures is in the range 2 to 100 nm. Currently amended
A particle according to Claim 1 in which the sub-substructures each have a stack thickness which is in the range 0.7 to 15nm. Currently amended
(Previously Amended) A particle according to Claim 1 in which each sub-structure includes a stack of between 2 and 12 graphene layers.
(Previously Amended) A particle according to Claim 1 in which the sub-structures each have a stack thickness, and the stack thicknesses are less than the separation between successive stacked sub-structures.
A particle according to Claim 1 having a thickness in the range 0.7 to 5 microns. Currently amended
A particle according to Claim 1 having a width in the range of 1 to 15 microns. Currently amended
(Previously Amended) A particle according to Claim 1 which has Stone-Wales defects.
A particle according to Claim 1 which has a carbon content of greater than 80 wt. %. Currently amended
(Previously Amended) A particle according to Claim 1 in which at least some of the graphene layers in the sub-structures are doped and/or surface modified.
21. (Previously Amended) A particle according to Claim 1 further including an intercalated substance which is intercalated between successive stacked sub-structures. Canceled
24. Particulate material including a plurality of particles according to Claim 1. Original
A particle according to Claim 1 in which the separation between successive stacked substructures is in the range 5 to 50 nm. New
A particle according to Claim 1 in which the separation between successive stacked substructures is in the range 10 to 20 nm. New
A particle according to Claim 1 in which the sub-substructures each have a stack thickness which is in the range 0.7 to 4nm. 40. A particle according to Claim 1 having a thickness in the range 1 to 5 microns. New
A particle according to Claim 1 having a thickness in the range 1.5 to 3 microns. New
A particle according to Claim 1 having a width in the range of 2 to 5 microns. New
A particle according to Claim 1 which has a carbon content of greater than 90 wt. %. New
Canceled
Canceled
Canceled
A particle according to Claim 18 in which the metal is one or more of silver, gold, platinum, copper and iron. Original
(Previously Amended) A particle according to Claim 21 in which the intercalated substance is sulfur or hydrogen.
Particulate material according to Claim 24 having a surface area in the range 15 to 70 m 2 g -1. 26. (Previously Amended) Particulate material according to Claim 24 which is crystalline. Original
(Previously Amended) Particular material according to claims 24 made by subjecting a starting material to a plasma treatment.
A method of making particulate material according to Claim 24 including subjecting a starting material to a plasma treatment. Withdrawn
A method according to Claim 28 in which the plasma treatment includes generating plasma using a plurality of electrodes which are moved during the plasma treatment to agitate the starting material and/or the particulate material. Withdrawn
30-36. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
particle with stacked graphene sub-structures
Materials described outside the worked examples.
graphene stacked sub-structure particle
silicon, sulfur or selenium (decoration material)
metal (silver, gold, platinum, copper, iron)
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Surface Area | 15–70 m2 g-1 | graphene stacked sub-structure particle |
Duration | 10–180 minutes |
intercalated substance (sulfur or hydrogen)
transition metal (decoration material)
| — |
Thickness | 2–100 nm | — |
Thickness | 0.7–15 nm | — |
Thickness | 0.7–5 µm | — |
Thickness | 1–15 µm | — |
Thickness | 5–50 nm | — |
Thickness | 10–20 nm | — |
Thickness | 0.7–4 nm | — |
Thickness | 1–5 µm | — |
Thickness | 1.5–3 µm | — |
Thickness | 2–5 µm | — |
intercalated substance (sulfur or hydrogen)
transition metal (decoration material)
| — |
Thickness | 2–100 nm | — |
Thickness | 0.7–15 nm | — |
Thickness | 0.7–5 µm | — |
Thickness | 1–15 µm | — |
Thickness | 5–50 nm | — |
Thickness | 10–20 nm | — |
Thickness | 0.7–4 nm | — |
Thickness | 1–5 µm | — |
Thickness | 1.5–3 µm | — |
Thickness | 2–5 µm | — |
intercalated substance (sulfur or hydrogen)
transition metal (decoration material)
| — |
Thickness | 2–100 nm | — |
Thickness | 0.7–15 nm | — |
Thickness | 0.7–5 µm | — |
Thickness | 1–15 µm | — |
Thickness | 5–50 nm | — |
Thickness | 10–20 nm | — |
Thickness | 0.7–4 nm | — |
Thickness | 1–5 µm | — |
Thickness | 1.5–3 µm | — |
Thickness | 2–5 µm | — |
intercalated substance (sulfur or hydrogen)
transition metal (decoration material)
| — |
Thickness | 2–100 nm | — |
Thickness | 0.7–15 nm | — |
Thickness | 0.7–5 µm | — |
Thickness | 1–15 µm | — |
Thickness | 5–50 nm | — |
Thickness | 10–20 nm | — |
Thickness | 0.7–4 nm | — |
Thickness | 1–5 µm | — |
Thickness | 1.5–3 µm | — |
Thickness | 2–5 µm | — |