Patent
US 10,874,992COMPOSITE NANOSTRUCTURES HAVING A CRUMPLED GRAPHENE OXIDE SHELL
John Fortner
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,874,992Patent 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.
A composite nanostructure comprising: a crumpled graphene oxide shell; and a titanium dioxide nanoparticle within the shell; a silver nanoparticle bonded to the nanostructure; and wherein the nanostructure has a diameter of less than about 500 nm, and wherein the nanostructure includes pores having a diameter of from about 25 n m to about 200 nm.
The composite nanostructure as set forth in claim 1, wherein an assembly of the nanostructures is flat. Original
(Original) The composite nanostructure as set forth in claim 1, wherein an assembly of the nanostructures is three- dimensional. Original
(Original) The composite nanostructure as set forth in claim 1, further comprising a silver nanoparticle within the shell. Original
The composite nanostructure as set forth in claim 1, further comprising a magneti t e nanopar t icle within the shell. Withdrawn
The composite nanostruct u re as set forth in claim 1, further comprising a silver nanoparticle and a magnetite particle within the shell. Withdrawn
Canceled
A composite nanostructure comprising: a crumpled graphene oxide shell; and a silver nanoparticle within the shell; a silver nanoparticle bonded to the nanostructure; and wherein the nanostructure has a diameter of less than about 500 nm, and wherein the nanostructure includes pores having a diameter of less than about 200 nm.
(Original) The composite nanostructure as set forth in claim 8, wherein an assembly of the nanostructures is flat. Original
The composite nanostructure as set forth in claim 8, wherein an assembly of the nanostructures is three- dimensional. Original
(Original) The composite nanostructure as set forth in claim 8, further comprising a titanium dioxide nanoparticle within the shell. Original
(Wit hdrawn) The composite nanostructure as set forth in claim 8, further comprising a magnetite nanoparticle within the shell. Withdrawn
Canceled
A method for producing a composite nanostructure, the method comprising: preparing a pr e-mixture of graphene oxide and at least one nanoparticle, wherein the at least one nanoparticle is selected from the group consisting of titanium dioxide, silver, magnetite, and mixtures thereof; spraying the pre-mixture with micron-sized water droplets; carrying the sprayed pre-mixture into a tube furnace with a carrier gas; and collecting the composite nanostructure downstream of the tube furnace, wherein the composite nanostructure comprises a crumpled graphene oxide shell encapsulating the at least one nanoparticle. Withdrawn
The method as set forth in claim 14, wherein the at least one nanoparticle is titanium dioxide. Withdrawn
The method as set forth in claim 14, wherein the at least one nanoparticle is silver. Withdrawn
The method as set forth in claim 14, wherein the at least one nanoparticle is magnetite. Withdrawn
The method as set forth in claim 14, further comprising photocatalytically reducing silver nanoparticles onto the composite nanostructure. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
CGO-TiO₂-Ag composite nanostructure
CGO-Ag composite nanostructure
Materials described outside the worked examples.
crumpled graphene oxide
titanium dioxide nanoparticle
TiO₂
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
composite nanostructure diameter (upper bound) | — | crumpled graphene oxideTiO₂Ag |
Patent
Atlas literature
Patent
US 10,874,992Patent 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.
A composite nanostructure comprising: a crumpled graphene oxide shell; and a titanium dioxide nanoparticle within the shell; a silver nanoparticle bonded to the nanostructure; and wherein the nanostructure has a diameter of less than about 500 nm, and wherein the nanostructure includes pores having a diameter of from about 25 n m to about 200 nm.
The composite nanostructure as set forth in claim 1, wherein an assembly of the nanostructures is flat. Original
(Original) The composite nanostructure as set forth in claim 1, wherein an assembly of the nanostructures is three- dimensional. Original
(Original) The composite nanostructure as set forth in claim 1, further comprising a silver nanoparticle within the shell. Original
The composite nanostructure as set forth in claim 1, further comprising a magneti t e nanopar t icle within the shell. Withdrawn
The composite nanostruct u re as set forth in claim 1, further comprising a silver nanoparticle and a magnetite particle within the shell. Withdrawn
Canceled
A composite nanostructure comprising: a crumpled graphene oxide shell; and a silver nanoparticle within the shell; a silver nanoparticle bonded to the nanostructure; and wherein the nanostructure has a diameter of less than about 500 nm, and wherein the nanostructure includes pores having a diameter of less than about 200 nm.
(Original) The composite nanostructure as set forth in claim 8, wherein an assembly of the nanostructures is flat. Original
The composite nanostructure as set forth in claim 8, wherein an assembly of the nanostructures is three- dimensional. Original
(Original) The composite nanostructure as set forth in claim 8, further comprising a titanium dioxide nanoparticle within the shell. Original
(Wit hdrawn) The composite nanostructure as set forth in claim 8, further comprising a magnetite nanoparticle within the shell. Withdrawn
Canceled
A method for producing a composite nanostructure, the method comprising: preparing a pr e-mixture of graphene oxide and at least one nanoparticle, wherein the at least one nanoparticle is selected from the group consisting of titanium dioxide, silver, magnetite, and mixtures thereof; spraying the pre-mixture with micron-sized water droplets; carrying the sprayed pre-mixture into a tube furnace with a carrier gas; and collecting the composite nanostructure downstream of the tube furnace, wherein the composite nanostructure comprises a crumpled graphene oxide shell encapsulating the at least one nanoparticle. Withdrawn
The method as set forth in claim 14, wherein the at least one nanoparticle is titanium dioxide. Withdrawn
The method as set forth in claim 14, wherein the at least one nanoparticle is silver. Withdrawn
The method as set forth in claim 14, wherein the at least one nanoparticle is magnetite. Withdrawn
The method as set forth in claim 14, further comprising photocatalytically reducing silver nanoparticles onto the composite nanostructure. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
CGO-TiO₂-Ag composite nanostructure
CGO-Ag composite nanostructure
Materials described outside the worked examples.
crumpled graphene oxide
titanium dioxide nanoparticle
TiO₂
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
composite nanostructure diameter (upper bound) | — | crumpled graphene oxideTiO₂Ag |
Patent
Atlas literature
Patent
US 10,874,992Patent 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.
A composite nanostructure comprising: a crumpled graphene oxide shell; and a titanium dioxide nanoparticle within the shell; a silver nanoparticle bonded to the nanostructure; and wherein the nanostructure has a diameter of less than about 500 nm, and wherein the nanostructure includes pores having a diameter of from about 25 n m to about 200 nm.
The composite nanostructure as set forth in claim 1, wherein an assembly of the nanostructures is flat. Original
(Original) The composite nanostructure as set forth in claim 1, wherein an assembly of the nanostructures is three- dimensional. Original
(Original) The composite nanostructure as set forth in claim 1, further comprising a silver nanoparticle within the shell. Original
The composite nanostructure as set forth in claim 1, further comprising a magneti t e nanopar t icle within the shell. Withdrawn
The composite nanostruct u re as set forth in claim 1, further comprising a silver nanoparticle and a magnetite particle within the shell. Withdrawn
Canceled
A composite nanostructure comprising: a crumpled graphene oxide shell; and a silver nanoparticle within the shell; a silver nanoparticle bonded to the nanostructure; and wherein the nanostructure has a diameter of less than about 500 nm, and wherein the nanostructure includes pores having a diameter of less than about 200 nm.
(Original) The composite nanostructure as set forth in claim 8, wherein an assembly of the nanostructures is flat. Original
The composite nanostructure as set forth in claim 8, wherein an assembly of the nanostructures is three- dimensional. Original
(Original) The composite nanostructure as set forth in claim 8, further comprising a titanium dioxide nanoparticle within the shell. Original
(Wit hdrawn) The composite nanostructure as set forth in claim 8, further comprising a magnetite nanoparticle within the shell. Withdrawn
Canceled
A method for producing a composite nanostructure, the method comprising: preparing a pr e-mixture of graphene oxide and at least one nanoparticle, wherein the at least one nanoparticle is selected from the group consisting of titanium dioxide, silver, magnetite, and mixtures thereof; spraying the pre-mixture with micron-sized water droplets; carrying the sprayed pre-mixture into a tube furnace with a carrier gas; and collecting the composite nanostructure downstream of the tube furnace, wherein the composite nanostructure comprises a crumpled graphene oxide shell encapsulating the at least one nanoparticle. Withdrawn
The method as set forth in claim 14, wherein the at least one nanoparticle is titanium dioxide. Withdrawn
The method as set forth in claim 14, wherein the at least one nanoparticle is silver. Withdrawn
The method as set forth in claim 14, wherein the at least one nanoparticle is magnetite. Withdrawn
The method as set forth in claim 14, further comprising photocatalytically reducing silver nanoparticles onto the composite nanostructure. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
CGO-TiO₂-Ag composite nanostructure
CGO-Ag composite nanostructure
Materials described outside the worked examples.
crumpled graphene oxide
titanium dioxide nanoparticle
TiO₂
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
composite nanostructure diameter (upper bound) | — | crumpled graphene oxideTiO₂Ag |
Patent
Atlas literature
Patent
US 10,874,992Patent 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.
A composite nanostructure comprising: a crumpled graphene oxide shell; and a titanium dioxide nanoparticle within the shell; a silver nanoparticle bonded to the nanostructure; and wherein the nanostructure has a diameter of less than about 500 nm, and wherein the nanostructure includes pores having a diameter of from about 25 n m to about 200 nm.
The composite nanostructure as set forth in claim 1, wherein an assembly of the nanostructures is flat. Original
(Original) The composite nanostructure as set forth in claim 1, wherein an assembly of the nanostructures is three- dimensional. Original
(Original) The composite nanostructure as set forth in claim 1, further comprising a silver nanoparticle within the shell. Original
The composite nanostructure as set forth in claim 1, further comprising a magneti t e nanopar t icle within the shell. Withdrawn
The composite nanostruct u re as set forth in claim 1, further comprising a silver nanoparticle and a magnetite particle within the shell. Withdrawn
Canceled
A composite nanostructure comprising: a crumpled graphene oxide shell; and a silver nanoparticle within the shell; a silver nanoparticle bonded to the nanostructure; and wherein the nanostructure has a diameter of less than about 500 nm, and wherein the nanostructure includes pores having a diameter of less than about 200 nm.
(Original) The composite nanostructure as set forth in claim 8, wherein an assembly of the nanostructures is flat. Original
The composite nanostructure as set forth in claim 8, wherein an assembly of the nanostructures is three- dimensional. Original
(Original) The composite nanostructure as set forth in claim 8, further comprising a titanium dioxide nanoparticle within the shell. Original
(Wit hdrawn) The composite nanostructure as set forth in claim 8, further comprising a magnetite nanoparticle within the shell. Withdrawn
Canceled
A method for producing a composite nanostructure, the method comprising: preparing a pr e-mixture of graphene oxide and at least one nanoparticle, wherein the at least one nanoparticle is selected from the group consisting of titanium dioxide, silver, magnetite, and mixtures thereof; spraying the pre-mixture with micron-sized water droplets; carrying the sprayed pre-mixture into a tube furnace with a carrier gas; and collecting the composite nanostructure downstream of the tube furnace, wherein the composite nanostructure comprises a crumpled graphene oxide shell encapsulating the at least one nanoparticle. Withdrawn
The method as set forth in claim 14, wherein the at least one nanoparticle is titanium dioxide. Withdrawn
The method as set forth in claim 14, wherein the at least one nanoparticle is silver. Withdrawn
The method as set forth in claim 14, wherein the at least one nanoparticle is magnetite. Withdrawn
The method as set forth in claim 14, further comprising photocatalytically reducing silver nanoparticles onto the composite nanostructure. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
CGO-TiO₂-Ag composite nanostructure
CGO-Ag composite nanostructure
Materials described outside the worked examples.
crumpled graphene oxide
titanium dioxide nanoparticle
TiO₂
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
composite nanostructure diameter (upper bound) | — | crumpled graphene oxideTiO₂Ag |
filtration membrane incorporating composite nanostructures
silver nanoparticle
Ag
magnetite nanoparticle
Fe₃O₄
polyethersulfone
polyallylamine
| — |
crumpled graphene oxide |
nanostructure pore diameter (claim 8, upper bound) | — | crumpled graphene oxide |
crumpled graphene oxide nanoparticle diameter range (described embodiments) | — | crumpled graphene oxide |
Thickness | 40–120 nm | — |
Duration | 10–30 minutes | — |
Duration | 30–120 minutes | — |
Thickness | 20–80 nm | — |
Thickness | 140–220 nm | — |
Thickness | 40–80 nm | — |
Thickness | 120–160 nm | — |
Thickness | ≤ 1 nm | — |
Temperature | ≤ 37 °C | — |
Thickness | 50–500 nm | — |
Thickness | 50–300 nm | — |
Thickness | 100–300 nm | — |
Thickness | 50–150 nm | — |
Thickness | ≤ 750 nm | — |
Thickness | ≤ 500 nm | — |
Thickness | ≤ 300 nm | — |
Thickness | ≤ 200 nm | — |
Thickness | ≤ 150 nm | — |
filtration membrane incorporating composite nanostructures
silver nanoparticle
Ag
magnetite nanoparticle
Fe₃O₄
polyethersulfone
polyallylamine
| — |
crumpled graphene oxide |
nanostructure pore diameter (claim 8, upper bound) | — | crumpled graphene oxide |
crumpled graphene oxide nanoparticle diameter range (described embodiments) | — | crumpled graphene oxide |
Thickness | 40–120 nm | — |
Duration | 10–30 minutes | — |
Duration | 30–120 minutes | — |
Thickness | 20–80 nm | — |
Thickness | 140–220 nm | — |
Thickness | 40–80 nm | — |
Thickness | 120–160 nm | — |
Thickness | ≤ 1 nm | — |
Temperature | ≤ 37 °C | — |
Thickness | 50–500 nm | — |
Thickness | 50–300 nm | — |
Thickness | 100–300 nm | — |
Thickness | 50–150 nm | — |
Thickness | ≤ 750 nm | — |
Thickness | ≤ 500 nm | — |
Thickness | ≤ 300 nm | — |
Thickness | ≤ 200 nm | — |
Thickness | ≤ 150 nm | — |
filtration membrane incorporating composite nanostructures
silver nanoparticle
Ag
magnetite nanoparticle
Fe₃O₄
polyethersulfone
polyallylamine
| — |
crumpled graphene oxide |
nanostructure pore diameter (claim 8, upper bound) | — | crumpled graphene oxide |
crumpled graphene oxide nanoparticle diameter range (described embodiments) | — | crumpled graphene oxide |
Thickness | 40–120 nm | — |
Duration | 10–30 minutes | — |
Duration | 30–120 minutes | — |
Thickness | 20–80 nm | — |
Thickness | 140–220 nm | — |
Thickness | 40–80 nm | — |
Thickness | 120–160 nm | — |
Thickness | ≤ 1 nm | — |
Temperature | ≤ 37 °C | — |
Thickness | 50–500 nm | — |
Thickness | 50–300 nm | — |
Thickness | 100–300 nm | — |
Thickness | 50–150 nm | — |
Thickness | ≤ 750 nm | — |
Thickness | ≤ 500 nm | — |
Thickness | ≤ 300 nm | — |
Thickness | ≤ 200 nm | — |
Thickness | ≤ 150 nm | — |
filtration membrane incorporating composite nanostructures
silver nanoparticle
Ag
magnetite nanoparticle
Fe₃O₄
polyethersulfone
polyallylamine
| — |
crumpled graphene oxide |
nanostructure pore diameter (claim 8, upper bound) | — | crumpled graphene oxide |
crumpled graphene oxide nanoparticle diameter range (described embodiments) | — | crumpled graphene oxide |
Thickness | 40–120 nm | — |
Duration | 10–30 minutes | — |
Duration | 30–120 minutes | — |
Thickness | 20–80 nm | — |
Thickness | 140–220 nm | — |
Thickness | 40–80 nm | — |
Thickness | 120–160 nm | — |
Thickness | ≤ 1 nm | — |
Temperature | ≤ 37 °C | — |
Thickness | 50–500 nm | — |
Thickness | 50–300 nm | — |
Thickness | 100–300 nm | — |
Thickness | 50–150 nm | — |
Thickness | ≤ 750 nm | — |
Thickness | ≤ 500 nm | — |
Thickness | ≤ 300 nm | — |
Thickness | ≤ 200 nm | — |
Thickness | ≤ 150 nm | — |