Patent
US 8,362,295Title: GRAPHENE COMPOSITONS AND DRILLING FLUIDS DERIVED THEREFROM 103 101 100 Fig. 1 C
TOUR, James, M., SCHMIDT, Howard, K., LOMEDA, Jay, R., KOSYNKIN, Dmitry, V. et al.
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 8,362,295Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
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40. A method for preparing graphite oxide, carbon source in a solution comprising sodium is selected from the group consisting of a graphite, heating the solution to form a reacted mixture; and supernatant phase.
41. The method of claim 40, wherein the water.
42. The method of claim 40, wherein heating hours. said method comprising: suspending an elemental hypochlorite; wherein the elemental carbon source a carbon black, and combinations thereof; separating the reacted mixture to form a solution further comprises sodium bicarbonate and is conducted for about 30 minutes to about 8
43. The method of claim 40, wherein separating comprises a technique selected from the group consisting of decantation, centrifugation, filtering and combinations thereof.
44. The method of claim 40, further comprising: acidifying the supernatant phase to form an acidified supernatant phase; and 2 ATTORNEY DOCKET NO. PATENT 1 1321-P₁₇₂WOUS Serial No. 12/812,169 evaporating the acidified supernatant phase to form a crude graphite oxide.
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Materials described outside the worked examples.
graphite oxide
sodium hypochlorite
NaOCl
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–10 nm | — |
Thickness |
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LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
Method of manufacturing graphene composite including ultrasonic-wave pulverization post-treatment process and method of manufacturing active material using the same
Patent
Atlas literature
Patent
US 8,362,295Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
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40. A method for preparing graphite oxide, carbon source in a solution comprising sodium is selected from the group consisting of a graphite, heating the solution to form a reacted mixture; and supernatant phase.
41. The method of claim 40, wherein the water.
42. The method of claim 40, wherein heating hours. said method comprising: suspending an elemental hypochlorite; wherein the elemental carbon source a carbon black, and combinations thereof; separating the reacted mixture to form a solution further comprises sodium bicarbonate and is conducted for about 30 minutes to about 8
43. The method of claim 40, wherein separating comprises a technique selected from the group consisting of decantation, centrifugation, filtering and combinations thereof.
44. The method of claim 40, further comprising: acidifying the supernatant phase to form an acidified supernatant phase; and 2 ATTORNEY DOCKET NO. PATENT 1 1321-P₁₇₂WOUS Serial No. 12/812,169 evaporating the acidified supernatant phase to form a crude graphite oxide.
47-54. canceled
canceled
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Materials described outside the worked examples.
graphite oxide
sodium hypochlorite
NaOCl
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–10 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
Method of manufacturing graphene composite including ultrasonic-wave pulverization post-treatment process and method of manufacturing active material using the same
Patent
Atlas literature
Patent
US 8,362,295Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
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40. A method for preparing graphite oxide, carbon source in a solution comprising sodium is selected from the group consisting of a graphite, heating the solution to form a reacted mixture; and supernatant phase.
41. The method of claim 40, wherein the water.
42. The method of claim 40, wherein heating hours. said method comprising: suspending an elemental hypochlorite; wherein the elemental carbon source a carbon black, and combinations thereof; separating the reacted mixture to form a solution further comprises sodium bicarbonate and is conducted for about 30 minutes to about 8
43. The method of claim 40, wherein separating comprises a technique selected from the group consisting of decantation, centrifugation, filtering and combinations thereof.
44. The method of claim 40, further comprising: acidifying the supernatant phase to form an acidified supernatant phase; and 2 ATTORNEY DOCKET NO. PATENT 1 1321-P₁₇₂WOUS Serial No. 12/812,169 evaporating the acidified supernatant phase to form a crude graphite oxide.
47-54. canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
Materials described outside the worked examples.
graphite oxide
sodium hypochlorite
NaOCl
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–10 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
Method of manufacturing graphene composite including ultrasonic-wave pulverization post-treatment process and method of manufacturing active material using the same
Patent
Atlas literature
Patent
US 8,362,295Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
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40. A method for preparing graphite oxide, carbon source in a solution comprising sodium is selected from the group consisting of a graphite, heating the solution to form a reacted mixture; and supernatant phase.
41. The method of claim 40, wherein the water.
42. The method of claim 40, wherein heating hours. said method comprising: suspending an elemental hypochlorite; wherein the elemental carbon source a carbon black, and combinations thereof; separating the reacted mixture to form a solution further comprises sodium bicarbonate and is conducted for about 30 minutes to about 8
43. The method of claim 40, wherein separating comprises a technique selected from the group consisting of decantation, centrifugation, filtering and combinations thereof.
44. The method of claim 40, further comprising: acidifying the supernatant phase to form an acidified supernatant phase; and 2 ATTORNEY DOCKET NO. PATENT 1 1321-P₁₇₂WOUS Serial No. 12/812,169 evaporating the acidified supernatant phase to form a crude graphite oxide.
47-54. canceled
canceled
canceled
canceled
canceled
canceled
canceled
canceled
Materials described outside the worked examples.
graphite oxide
sodium hypochlorite
NaOCl
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–10 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
Method of manufacturing graphene composite including ultrasonic-wave pulverization post-treatment process and method of manufacturing active material using the same
graphite
carbon black
sodium bicarbonate
NaHCO₃
graphene
graphene oxide
chemically-converted graphene
functionalized chemically-converted graphene
| 10–100 nm |
| — |
Duration | 1800–28800 s | — |
Thickness | 1.8–2.2 nm | — |
— | 286–288 eV | — |
Thickness | 3500-3300 cm | — |
Thickness | 1400–1500 cm | — |
graphite
carbon black
sodium bicarbonate
NaHCO₃
graphene
graphene oxide
chemically-converted graphene
functionalized chemically-converted graphene
| 10–100 nm |
| — |
Duration | 1800–28800 s | — |
Thickness | 1.8–2.2 nm | — |
— | 286–288 eV | — |
Thickness | 3500-3300 cm | — |
Thickness | 1400–1500 cm | — |
graphite
carbon black
sodium bicarbonate
NaHCO₃
graphene
graphene oxide
chemically-converted graphene
functionalized chemically-converted graphene
| 10–100 nm |
| — |
Duration | 1800–28800 s | — |
Thickness | 1.8–2.2 nm | — |
— | 286–288 eV | — |
Thickness | 3500-3300 cm | — |
Thickness | 1400–1500 cm | — |
graphite
carbon black
sodium bicarbonate
NaHCO₃
graphene
graphene oxide
chemically-converted graphene
functionalized chemically-converted graphene
| 10–100 nm |
| — |
Duration | 1800–28800 s | — |
Thickness | 1.8–2.2 nm | — |
— | 286–288 eV | — |
Thickness | 3500-3300 cm | — |
Thickness | 1400–1500 cm | — |