Patent
US 10,864,498COMPOSITE GRAPHENE-BASED MATERIAL
LOSIC, Dusan, TRAN, Diana
ADELAIDE RESEARCH & INNOVATION PTY LTD·8 December 2016·US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,864,498Patent 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.
Composite material having (i) a porous graphene-based foam matrix comprising reduced graphene oxide and (ii) porous inorganic micro-particles and metal oxide nano-particles distributed throughout the foam matrix, wherein a surface of the composite material is functionalised with one or more of: sulfur-containing functional groups comprising a thiol group or a thio silane group, oxygen-containing functional groups comprising a hydroxyl group, phospho-containing functional groups, nitrogen-containing functional groups comprising an amine group, a quaternary ammonium group or an amino silane group, and a chelating agent selected from the group consisting of N-(trimethox y sil y lprop y l) eth y lenediamine triacetic acid (EDTA-silane) and N-(trimethoxysilylpropyl) diethylene triamine pentaacetic acid (DPTA- silane). Currently amended
The composite material according to claim 1, wherein the porous graphene-based foam matrix is an aerogel or a xerogel. Previously presented
The composite material according to claim 1, wherein the porous inorganic micro-particles comprise or are made of diatomaceous earth, zeolites, silica, clays carbonates, magnetite, alumina, titania, ZnO, Sn O 2, ZrO2, MgO, Cu O, Fe₂ O 3, Fe₃ 0 4 or combinations thereof. Previously presented
The composite material according to claim 1, wherein the metal oxide nano-particles are selected from oxides of iron, manganese, aluminium, titanium, zin c, gold, silver, copper, lithium, manganese, magnesium, cerium and combinations thereof. Previously presented
The composite material according to claim 1 having a density ranging from about 0.01 mg/cm 3 to about 0.1 mg/cm 3. Previously presented
A method of removing a target species from a liquid or gas, the method comprising contacting at least the target species with the composite material according to claim 1. Withdrawn
The composite material according to claim 1, wherein the porous inorganic micro-particles and metal oxide nano-particles are distributed substantially uniformly throughout the foam matrix. Previously presented
The composite material according to claim 1, wherein the porous inorganic micro-particles and metal oxide nano-particles are adhered or bound to the surface of the foam matrix. Previously presented
The composite material according to claim 1, wherein the ratio of graphene-based matrix to porous inorganic micro-particles ranges from about 6:1 to about 3: 1 by weight. Previously presented
The composite material according to claim 1, wherein the porous inorganic micro-particles are present in the composite material in an amount ranging from about 2 0 % to about 8 0% by weight of the composite. Previously presented
The composite material according to claim 1, wherein the metal oxide nano-particles are present in the composite material in an amount ranging from about 5 % to about 35 % by weight of the composite. Previously presented
- 4. Canceled
Canceled
(Withdrawn-Currently Amended) A method of preparing composite material having (a) a porous graphene-based foam matrix comprising reduced graphene oxide and (b) porous inorganic micro-particles and metal oxide nano-particles distributed throughout the foam matrix, the method comprising: (i) providing a liquid dispersion comprising dispersed graphene-based material, porous inorganic micro-particles, and metal oxide nano-particles; (ii) forming a gel from the liquid dispersion; (iii) forming the composite material by removing the liquid from the so formed gel; and (iv) reacting surface functional groups of the so formed composite material with one or more compounds to covalently attach to the composite material sulfur- containing functional groups comprising a thiol group or a thio silane group, oxygen-containing functional groups comprising a hydroxyl group, phospho- containing functional groups, nitrogen-containing functional groups comprising an amine group, a quaternary ammonium group or an amino silane group, a chelating agent selected from the group consisting of N-(trimethoxysilylpropyl) ethylenediamine triacetic acid (EDTA-silane) and N-(trimethoxysilylpropyl) diethylene triamine pentaacetic acid (DPTA-silane), or a combination thereof. Currently amended
The method according to claim 9, wherein the graphene-based material comprises graphene oxide. Withdrawn
The method according to claim 9, wherein the liquid dispersion is prepared by a process comprising contacting a liquid with a metal oxide nano-particle precursor, and wherein the metal oxide nano-particle precursor is converted in situ to form the metal oxide nano-particles. Withdrawn
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
composite graphene-based foam material
Materials described outside the worked examples.
porous graphene-based foam matrix comprising reduced graphene oxide
porous inorganic micro-particles
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Density | 0.01–0.1 mg/cm3 | porous graphene-based foam matrix comprising reduced graphene oxide |
Thickness | ~300-50 nm |
Patent
Atlas literature
Patent
US 10,864,498Patent 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.
Composite material having (i) a porous graphene-based foam matrix comprising reduced graphene oxide and (ii) porous inorganic micro-particles and metal oxide nano-particles distributed throughout the foam matrix, wherein a surface of the composite material is functionalised with one or more of: sulfur-containing functional groups comprising a thiol group or a thio silane group, oxygen-containing functional groups comprising a hydroxyl group, phospho-containing functional groups, nitrogen-containing functional groups comprising an amine group, a quaternary ammonium group or an amino silane group, and a chelating agent selected from the group consisting of N-(trimethox y sil y lprop y l) eth y lenediamine triacetic acid (EDTA-silane) and N-(trimethoxysilylpropyl) diethylene triamine pentaacetic acid (DPTA- silane). Currently amended
The composite material according to claim 1, wherein the porous graphene-based foam matrix is an aerogel or a xerogel. Previously presented
The composite material according to claim 1, wherein the porous inorganic micro-particles comprise or are made of diatomaceous earth, zeolites, silica, clays carbonates, magnetite, alumina, titania, ZnO, Sn O 2, ZrO2, MgO, Cu O, Fe₂ O 3, Fe₃ 0 4 or combinations thereof. Previously presented
The composite material according to claim 1, wherein the metal oxide nano-particles are selected from oxides of iron, manganese, aluminium, titanium, zin c, gold, silver, copper, lithium, manganese, magnesium, cerium and combinations thereof. Previously presented
The composite material according to claim 1 having a density ranging from about 0.01 mg/cm 3 to about 0.1 mg/cm 3. Previously presented
A method of removing a target species from a liquid or gas, the method comprising contacting at least the target species with the composite material according to claim 1. Withdrawn
The composite material according to claim 1, wherein the porous inorganic micro-particles and metal oxide nano-particles are distributed substantially uniformly throughout the foam matrix. Previously presented
The composite material according to claim 1, wherein the porous inorganic micro-particles and metal oxide nano-particles are adhered or bound to the surface of the foam matrix. Previously presented
The composite material according to claim 1, wherein the ratio of graphene-based matrix to porous inorganic micro-particles ranges from about 6:1 to about 3: 1 by weight. Previously presented
The composite material according to claim 1, wherein the porous inorganic micro-particles are present in the composite material in an amount ranging from about 2 0 % to about 8 0% by weight of the composite. Previously presented
The composite material according to claim 1, wherein the metal oxide nano-particles are present in the composite material in an amount ranging from about 5 % to about 35 % by weight of the composite. Previously presented
- 4. Canceled
Canceled
(Withdrawn-Currently Amended) A method of preparing composite material having (a) a porous graphene-based foam matrix comprising reduced graphene oxide and (b) porous inorganic micro-particles and metal oxide nano-particles distributed throughout the foam matrix, the method comprising: (i) providing a liquid dispersion comprising dispersed graphene-based material, porous inorganic micro-particles, and metal oxide nano-particles; (ii) forming a gel from the liquid dispersion; (iii) forming the composite material by removing the liquid from the so formed gel; and (iv) reacting surface functional groups of the so formed composite material with one or more compounds to covalently attach to the composite material sulfur- containing functional groups comprising a thiol group or a thio silane group, oxygen-containing functional groups comprising a hydroxyl group, phospho- containing functional groups, nitrogen-containing functional groups comprising an amine group, a quaternary ammonium group or an amino silane group, a chelating agent selected from the group consisting of N-(trimethoxysilylpropyl) ethylenediamine triacetic acid (EDTA-silane) and N-(trimethoxysilylpropyl) diethylene triamine pentaacetic acid (DPTA-silane), or a combination thereof. Currently amended
The method according to claim 9, wherein the graphene-based material comprises graphene oxide. Withdrawn
The method according to claim 9, wherein the liquid dispersion is prepared by a process comprising contacting a liquid with a metal oxide nano-particle precursor, and wherein the metal oxide nano-particle precursor is converted in situ to form the metal oxide nano-particles. Withdrawn
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
composite graphene-based foam material
Materials described outside the worked examples.
porous graphene-based foam matrix comprising reduced graphene oxide
porous inorganic micro-particles
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Density | 0.01–0.1 mg/cm3 | porous graphene-based foam matrix comprising reduced graphene oxide |
Thickness | ~300-50 nm |
Patent
Atlas literature
Patent
US 10,864,498Patent 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.
Composite material having (i) a porous graphene-based foam matrix comprising reduced graphene oxide and (ii) porous inorganic micro-particles and metal oxide nano-particles distributed throughout the foam matrix, wherein a surface of the composite material is functionalised with one or more of: sulfur-containing functional groups comprising a thiol group or a thio silane group, oxygen-containing functional groups comprising a hydroxyl group, phospho-containing functional groups, nitrogen-containing functional groups comprising an amine group, a quaternary ammonium group or an amino silane group, and a chelating agent selected from the group consisting of N-(trimethox y sil y lprop y l) eth y lenediamine triacetic acid (EDTA-silane) and N-(trimethoxysilylpropyl) diethylene triamine pentaacetic acid (DPTA- silane). Currently amended
The composite material according to claim 1, wherein the porous graphene-based foam matrix is an aerogel or a xerogel. Previously presented
The composite material according to claim 1, wherein the porous inorganic micro-particles comprise or are made of diatomaceous earth, zeolites, silica, clays carbonates, magnetite, alumina, titania, ZnO, Sn O 2, ZrO2, MgO, Cu O, Fe₂ O 3, Fe₃ 0 4 or combinations thereof. Previously presented
The composite material according to claim 1, wherein the metal oxide nano-particles are selected from oxides of iron, manganese, aluminium, titanium, zin c, gold, silver, copper, lithium, manganese, magnesium, cerium and combinations thereof. Previously presented
The composite material according to claim 1 having a density ranging from about 0.01 mg/cm 3 to about 0.1 mg/cm 3. Previously presented
A method of removing a target species from a liquid or gas, the method comprising contacting at least the target species with the composite material according to claim 1. Withdrawn
The composite material according to claim 1, wherein the porous inorganic micro-particles and metal oxide nano-particles are distributed substantially uniformly throughout the foam matrix. Previously presented
The composite material according to claim 1, wherein the porous inorganic micro-particles and metal oxide nano-particles are adhered or bound to the surface of the foam matrix. Previously presented
The composite material according to claim 1, wherein the ratio of graphene-based matrix to porous inorganic micro-particles ranges from about 6:1 to about 3: 1 by weight. Previously presented
The composite material according to claim 1, wherein the porous inorganic micro-particles are present in the composite material in an amount ranging from about 2 0 % to about 8 0% by weight of the composite. Previously presented
The composite material according to claim 1, wherein the metal oxide nano-particles are present in the composite material in an amount ranging from about 5 % to about 35 % by weight of the composite. Previously presented
- 4. Canceled
Canceled
(Withdrawn-Currently Amended) A method of preparing composite material having (a) a porous graphene-based foam matrix comprising reduced graphene oxide and (b) porous inorganic micro-particles and metal oxide nano-particles distributed throughout the foam matrix, the method comprising: (i) providing a liquid dispersion comprising dispersed graphene-based material, porous inorganic micro-particles, and metal oxide nano-particles; (ii) forming a gel from the liquid dispersion; (iii) forming the composite material by removing the liquid from the so formed gel; and (iv) reacting surface functional groups of the so formed composite material with one or more compounds to covalently attach to the composite material sulfur- containing functional groups comprising a thiol group or a thio silane group, oxygen-containing functional groups comprising a hydroxyl group, phospho- containing functional groups, nitrogen-containing functional groups comprising an amine group, a quaternary ammonium group or an amino silane group, a chelating agent selected from the group consisting of N-(trimethoxysilylpropyl) ethylenediamine triacetic acid (EDTA-silane) and N-(trimethoxysilylpropyl) diethylene triamine pentaacetic acid (DPTA-silane), or a combination thereof. Currently amended
The method according to claim 9, wherein the graphene-based material comprises graphene oxide. Withdrawn
The method according to claim 9, wherein the liquid dispersion is prepared by a process comprising contacting a liquid with a metal oxide nano-particle precursor, and wherein the metal oxide nano-particle precursor is converted in situ to form the metal oxide nano-particles. Withdrawn
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
composite graphene-based foam material
Materials described outside the worked examples.
porous graphene-based foam matrix comprising reduced graphene oxide
porous inorganic micro-particles
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Density | 0.01–0.1 mg/cm3 | porous graphene-based foam matrix comprising reduced graphene oxide |
Thickness | ~300-50 nm |
Patent
Atlas literature
Patent
US 10,864,498Patent 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.
Composite material having (i) a porous graphene-based foam matrix comprising reduced graphene oxide and (ii) porous inorganic micro-particles and metal oxide nano-particles distributed throughout the foam matrix, wherein a surface of the composite material is functionalised with one or more of: sulfur-containing functional groups comprising a thiol group or a thio silane group, oxygen-containing functional groups comprising a hydroxyl group, phospho-containing functional groups, nitrogen-containing functional groups comprising an amine group, a quaternary ammonium group or an amino silane group, and a chelating agent selected from the group consisting of N-(trimethox y sil y lprop y l) eth y lenediamine triacetic acid (EDTA-silane) and N-(trimethoxysilylpropyl) diethylene triamine pentaacetic acid (DPTA- silane). Currently amended
The composite material according to claim 1, wherein the porous graphene-based foam matrix is an aerogel or a xerogel. Previously presented
The composite material according to claim 1, wherein the porous inorganic micro-particles comprise or are made of diatomaceous earth, zeolites, silica, clays carbonates, magnetite, alumina, titania, ZnO, Sn O 2, ZrO2, MgO, Cu O, Fe₂ O 3, Fe₃ 0 4 or combinations thereof. Previously presented
The composite material according to claim 1, wherein the metal oxide nano-particles are selected from oxides of iron, manganese, aluminium, titanium, zin c, gold, silver, copper, lithium, manganese, magnesium, cerium and combinations thereof. Previously presented
The composite material according to claim 1 having a density ranging from about 0.01 mg/cm 3 to about 0.1 mg/cm 3. Previously presented
A method of removing a target species from a liquid or gas, the method comprising contacting at least the target species with the composite material according to claim 1. Withdrawn
The composite material according to claim 1, wherein the porous inorganic micro-particles and metal oxide nano-particles are distributed substantially uniformly throughout the foam matrix. Previously presented
The composite material according to claim 1, wherein the porous inorganic micro-particles and metal oxide nano-particles are adhered or bound to the surface of the foam matrix. Previously presented
The composite material according to claim 1, wherein the ratio of graphene-based matrix to porous inorganic micro-particles ranges from about 6:1 to about 3: 1 by weight. Previously presented
The composite material according to claim 1, wherein the porous inorganic micro-particles are present in the composite material in an amount ranging from about 2 0 % to about 8 0% by weight of the composite. Previously presented
The composite material according to claim 1, wherein the metal oxide nano-particles are present in the composite material in an amount ranging from about 5 % to about 35 % by weight of the composite. Previously presented
- 4. Canceled
Canceled
(Withdrawn-Currently Amended) A method of preparing composite material having (a) a porous graphene-based foam matrix comprising reduced graphene oxide and (b) porous inorganic micro-particles and metal oxide nano-particles distributed throughout the foam matrix, the method comprising: (i) providing a liquid dispersion comprising dispersed graphene-based material, porous inorganic micro-particles, and metal oxide nano-particles; (ii) forming a gel from the liquid dispersion; (iii) forming the composite material by removing the liquid from the so formed gel; and (iv) reacting surface functional groups of the so formed composite material with one or more compounds to covalently attach to the composite material sulfur- containing functional groups comprising a thiol group or a thio silane group, oxygen-containing functional groups comprising a hydroxyl group, phospho- containing functional groups, nitrogen-containing functional groups comprising an amine group, a quaternary ammonium group or an amino silane group, a chelating agent selected from the group consisting of N-(trimethoxysilylpropyl) ethylenediamine triacetic acid (EDTA-silane) and N-(trimethoxysilylpropyl) diethylene triamine pentaacetic acid (DPTA-silane), or a combination thereof. Currently amended
The method according to claim 9, wherein the graphene-based material comprises graphene oxide. Withdrawn
The method according to claim 9, wherein the liquid dispersion is prepared by a process comprising contacting a liquid with a metal oxide nano-particle precursor, and wherein the metal oxide nano-particle precursor is converted in situ to form the metal oxide nano-particles. Withdrawn
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
composite graphene-based foam material
Materials described outside the worked examples.
porous graphene-based foam matrix comprising reduced graphene oxide
porous inorganic micro-particles
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Density | 0.01–0.1 mg/cm3 | porous graphene-based foam matrix comprising reduced graphene oxide |
Thickness | ~300-50 nm |
metal oxide nano-particles
surface functional groups (thiol, thiosilane, hydroxyl, phospho-containing, amine, quaternary ammonium, aminosilane, EDTA-silane, DPTA-silane)
diatomaceous earth, zeolites, silica, clays, carbonates, magnetite, alumina, titania, ZnO, SnO2, ZrO2, MgO, CuO, Fe₂O3, Fe₃O₄
graphene oxide
| — |
Thickness | 500–3500 cm | — |
metal oxide nano-particles
surface functional groups (thiol, thiosilane, hydroxyl, phospho-containing, amine, quaternary ammonium, aminosilane, EDTA-silane, DPTA-silane)
diatomaceous earth, zeolites, silica, clays, carbonates, magnetite, alumina, titania, ZnO, SnO2, ZrO2, MgO, CuO, Fe₂O3, Fe₃O₄
graphene oxide
| — |
Thickness | 500–3500 cm | — |
metal oxide nano-particles
surface functional groups (thiol, thiosilane, hydroxyl, phospho-containing, amine, quaternary ammonium, aminosilane, EDTA-silane, DPTA-silane)
diatomaceous earth, zeolites, silica, clays, carbonates, magnetite, alumina, titania, ZnO, SnO2, ZrO2, MgO, CuO, Fe₂O3, Fe₃O₄
graphene oxide
| — |
Thickness | 500–3500 cm | — |
metal oxide nano-particles
surface functional groups (thiol, thiosilane, hydroxyl, phospho-containing, amine, quaternary ammonium, aminosilane, EDTA-silane, DPTA-silane)
diatomaceous earth, zeolites, silica, clays, carbonates, magnetite, alumina, titania, ZnO, SnO2, ZrO2, MgO, CuO, Fe₂O3, Fe₃O₄
graphene oxide
| — |
Thickness | 500–3500 cm | — |