Patent
US 11,285,704ULTRATHIN GRAPHENE/POLYMER LAMINATE FILMS
Michael Stadermann
Lawrence Livermore National Security, LLC·US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 11,285,704Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1A-1 D, the product 100 includes a composite film 102 that includes a polymer layer 104 directly adjacent a graphene layer 106. [0031] In some …
FIG. 2 is a flowchart of a method, according to one embodiment. [0011]
FIGS. 3A-3E are schematic drawings of a process of forming ultrathin graphene/polymer film, according to one embodiment. [0012]
FIG. 4C is a digital image of a holder that lifts the polymer layer and graphene layer out of solution, according to one embodiment. [0015]
FIG. 5A is a digital image of a composite film of a graphene layer on a polymer layer, according to one embodiment. [0016]
FIG. 6B is a digital image of a composite film of a graphene layer on a thicker polymer, according to one embodiment. [0019]
FIG. 7 is a plot of indentation experiment of composite films with one or more layers of graphene, according to one embodiment.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Canceled
The product of claim 3, wherein the polymer layer has a thickness of less than about 100 nm. Previously presented
A product comprising: a composite film comprising a polymer layer directly adjacent a graphene layer, wherein the graphene layer includes islands of graphene that are held together by van der Waals forces, wherein a weight fraction of graphene in the composite film is greater than 10% relative to the total weight of the polymer layer and the graphene layer. Currently amended
The product of claim 3, wherein the graphene layer includes several layers of graphene. Previously presented
The product of claim 3, wherein the composite film includes a second graphene layer directly adjacent a second side of the polymer layer. Previously presented
The product of claim 3, wherein the composite film includes a second graphene layer directly adjacent the graphene layer. Previously presented
The product of claim 3, wherein the composite film includes a second polymer layer directly adjacent a second side of the graphene layer. Previously presented
The product of claim 3, wherein the composite film has a stiffness that is at least five times a stiffness of the polymer layer. Previously presented
A method, comprising using the product of claim 3 as a separation medium for separating a component from a liquid. Currently amended
A process of forming the product of claim 3, the process comprising: layering the graphene layer onto the polymer layer to form the composite film. Previously presented
The product of claim 3, wherein the weight fraction of graphene in the composite film is greater than [[20%]] 10%. Currently amended
The product of claim 3, wherein the composite film has a stiffness that is at least five times a stiffness of the polymer layer, wherein the composite film has a yield strength that is greater than three times a yield strength of the polymer layer. Previously presented
The product of claim 3, wherein the composite film has a yield strength that is greater than two times a yield strength of the polymer layer. Previously presented
A product comprising: a composite film comprising a polymer layer directly adjacent a graphene layer, wherein the graphene layer includes islands of graphene that are held together by van der Waals forces, wherein the composite film has a stiffness greater than three times a stiffness of the polymer layer, wherein a weight fraction of graphene is greater than 10% relative to the total weight of the polymer layer and graphene layer. Currently amended
The product of claim 8, wherein the composite film includes a second graphene layer directly adjacent a second side of the polymer layer. Previously presented
The product of claim 8, wherein the composite film has a stiffness that is at least five times a stiffness of the polymer layer. Previously presented
The product of claim 8, wherein the polymer Previously presented
A product comprising: a composite film comprising a polymer layer directly adjacent a graphene layer, wherein the composite film has a yield strength that is at least three times a yield strength of the polymer layer, wherein a weight fraction of graphene is greater than 10% relative to the total weight of the polymer layer and the graphene layer. Currently amended
The product of claim 10, wherein the composite stiffness of the polymer layer. Previously presented
The product of claim 10, wherein the polymer nm. Previously presented layer has a thickness of less than about 100 nm. film has a stiffness that is at least five times a layer has a thickness of less than about 100
Canceled
Canceled
Canceled
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
ultrathin graphene/polymer composite film
composite film with second graphene layer on opposite side of polymer
Materials described outside the worked examples.
polymer layer
graphene layer
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 1A-1 D, the product 100 includes a composite film 102 that includes a polymer layer 104 directly adjacent a graphene layer 106. [0031] In some …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
composite film stiffness relative to polymer layer alone | 5–8 dimensionless (×polymer stiffness) | polymer layergraphene layer |
composite film yield strength relative to polymer layer alone |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,285,704Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1A-1 D, the product 100 includes a composite film 102 that includes a polymer layer 104 directly adjacent a graphene layer 106. [0031] In some …
FIG. 2 is a flowchart of a method, according to one embodiment. [0011]
FIGS. 3A-3E are schematic drawings of a process of forming ultrathin graphene/polymer film, according to one embodiment. [0012]
FIG. 4C is a digital image of a holder that lifts the polymer layer and graphene layer out of solution, according to one embodiment. [0015]
FIG. 5A is a digital image of a composite film of a graphene layer on a polymer layer, according to one embodiment. [0016]
FIG. 6B is a digital image of a composite film of a graphene layer on a thicker polymer, according to one embodiment. [0019]
FIG. 7 is a plot of indentation experiment of composite films with one or more layers of graphene, according to one embodiment.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Canceled
The product of claim 3, wherein the polymer layer has a thickness of less than about 100 nm. Previously presented
A product comprising: a composite film comprising a polymer layer directly adjacent a graphene layer, wherein the graphene layer includes islands of graphene that are held together by van der Waals forces, wherein a weight fraction of graphene in the composite film is greater than 10% relative to the total weight of the polymer layer and the graphene layer. Currently amended
The product of claim 3, wherein the graphene layer includes several layers of graphene. Previously presented
The product of claim 3, wherein the composite film includes a second graphene layer directly adjacent a second side of the polymer layer. Previously presented
The product of claim 3, wherein the composite film includes a second graphene layer directly adjacent the graphene layer. Previously presented
The product of claim 3, wherein the composite film includes a second polymer layer directly adjacent a second side of the graphene layer. Previously presented
The product of claim 3, wherein the composite film has a stiffness that is at least five times a stiffness of the polymer layer. Previously presented
A method, comprising using the product of claim 3 as a separation medium for separating a component from a liquid. Currently amended
A process of forming the product of claim 3, the process comprising: layering the graphene layer onto the polymer layer to form the composite film. Previously presented
The product of claim 3, wherein the weight fraction of graphene in the composite film is greater than [[20%]] 10%. Currently amended
The product of claim 3, wherein the composite film has a stiffness that is at least five times a stiffness of the polymer layer, wherein the composite film has a yield strength that is greater than three times a yield strength of the polymer layer. Previously presented
The product of claim 3, wherein the composite film has a yield strength that is greater than two times a yield strength of the polymer layer. Previously presented
A product comprising: a composite film comprising a polymer layer directly adjacent a graphene layer, wherein the graphene layer includes islands of graphene that are held together by van der Waals forces, wherein the composite film has a stiffness greater than three times a stiffness of the polymer layer, wherein a weight fraction of graphene is greater than 10% relative to the total weight of the polymer layer and graphene layer. Currently amended
The product of claim 8, wherein the composite film includes a second graphene layer directly adjacent a second side of the polymer layer. Previously presented
The product of claim 8, wherein the composite film has a stiffness that is at least five times a stiffness of the polymer layer. Previously presented
The product of claim 8, wherein the polymer Previously presented
A product comprising: a composite film comprising a polymer layer directly adjacent a graphene layer, wherein the composite film has a yield strength that is at least three times a yield strength of the polymer layer, wherein a weight fraction of graphene is greater than 10% relative to the total weight of the polymer layer and the graphene layer. Currently amended
The product of claim 10, wherein the composite stiffness of the polymer layer. Previously presented
The product of claim 10, wherein the polymer nm. Previously presented layer has a thickness of less than about 100 nm. film has a stiffness that is at least five times a layer has a thickness of less than about 100
Canceled
Canceled
Canceled
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
ultrathin graphene/polymer composite film
composite film with second graphene layer on opposite side of polymer
Materials described outside the worked examples.
polymer layer
graphene layer
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 1A-1 D, the product 100 includes a composite film 102 that includes a polymer layer 104 directly adjacent a graphene layer 106. [0031] In some …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
composite film stiffness relative to polymer layer alone | 5–8 dimensionless (×polymer stiffness) | polymer layergraphene layer |
composite film yield strength relative to polymer layer alone |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,285,704Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1A-1 D, the product 100 includes a composite film 102 that includes a polymer layer 104 directly adjacent a graphene layer 106. [0031] In some …
FIG. 2 is a flowchart of a method, according to one embodiment. [0011]
FIGS. 3A-3E are schematic drawings of a process of forming ultrathin graphene/polymer film, according to one embodiment. [0012]
FIG. 4C is a digital image of a holder that lifts the polymer layer and graphene layer out of solution, according to one embodiment. [0015]
FIG. 5A is a digital image of a composite film of a graphene layer on a polymer layer, according to one embodiment. [0016]
FIG. 6B is a digital image of a composite film of a graphene layer on a thicker polymer, according to one embodiment. [0019]
FIG. 7 is a plot of indentation experiment of composite films with one or more layers of graphene, according to one embodiment.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Canceled
The product of claim 3, wherein the polymer layer has a thickness of less than about 100 nm. Previously presented
A product comprising: a composite film comprising a polymer layer directly adjacent a graphene layer, wherein the graphene layer includes islands of graphene that are held together by van der Waals forces, wherein a weight fraction of graphene in the composite film is greater than 10% relative to the total weight of the polymer layer and the graphene layer. Currently amended
The product of claim 3, wherein the graphene layer includes several layers of graphene. Previously presented
The product of claim 3, wherein the composite film includes a second graphene layer directly adjacent a second side of the polymer layer. Previously presented
The product of claim 3, wherein the composite film includes a second graphene layer directly adjacent the graphene layer. Previously presented
The product of claim 3, wherein the composite film includes a second polymer layer directly adjacent a second side of the graphene layer. Previously presented
The product of claim 3, wherein the composite film has a stiffness that is at least five times a stiffness of the polymer layer. Previously presented
A method, comprising using the product of claim 3 as a separation medium for separating a component from a liquid. Currently amended
A process of forming the product of claim 3, the process comprising: layering the graphene layer onto the polymer layer to form the composite film. Previously presented
The product of claim 3, wherein the weight fraction of graphene in the composite film is greater than [[20%]] 10%. Currently amended
The product of claim 3, wherein the composite film has a stiffness that is at least five times a stiffness of the polymer layer, wherein the composite film has a yield strength that is greater than three times a yield strength of the polymer layer. Previously presented
The product of claim 3, wherein the composite film has a yield strength that is greater than two times a yield strength of the polymer layer. Previously presented
A product comprising: a composite film comprising a polymer layer directly adjacent a graphene layer, wherein the graphene layer includes islands of graphene that are held together by van der Waals forces, wherein the composite film has a stiffness greater than three times a stiffness of the polymer layer, wherein a weight fraction of graphene is greater than 10% relative to the total weight of the polymer layer and graphene layer. Currently amended
The product of claim 8, wherein the composite film includes a second graphene layer directly adjacent a second side of the polymer layer. Previously presented
The product of claim 8, wherein the composite film has a stiffness that is at least five times a stiffness of the polymer layer. Previously presented
The product of claim 8, wherein the polymer Previously presented
A product comprising: a composite film comprising a polymer layer directly adjacent a graphene layer, wherein the composite film has a yield strength that is at least three times a yield strength of the polymer layer, wherein a weight fraction of graphene is greater than 10% relative to the total weight of the polymer layer and the graphene layer. Currently amended
The product of claim 10, wherein the composite stiffness of the polymer layer. Previously presented
The product of claim 10, wherein the polymer nm. Previously presented layer has a thickness of less than about 100 nm. film has a stiffness that is at least five times a layer has a thickness of less than about 100
Canceled
Canceled
Canceled
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
ultrathin graphene/polymer composite film
composite film with second graphene layer on opposite side of polymer
Materials described outside the worked examples.
polymer layer
graphene layer
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 1A-1 D, the product 100 includes a composite film 102 that includes a polymer layer 104 directly adjacent a graphene layer 106. [0031] In some …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
composite film stiffness relative to polymer layer alone | 5–8 dimensionless (×polymer stiffness) | polymer layergraphene layer |
composite film yield strength relative to polymer layer alone |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,285,704Patent drawings and their descriptions. Click a drawing to enlarge it.
FIGS. 1A-1 D, the product 100 includes a composite film 102 that includes a polymer layer 104 directly adjacent a graphene layer 106. [0031] In some …
FIG. 2 is a flowchart of a method, according to one embodiment. [0011]
FIGS. 3A-3E are schematic drawings of a process of forming ultrathin graphene/polymer film, according to one embodiment. [0012]
FIG. 4C is a digital image of a holder that lifts the polymer layer and graphene layer out of solution, according to one embodiment. [0015]
FIG. 5A is a digital image of a composite film of a graphene layer on a polymer layer, according to one embodiment. [0016]
FIG. 6B is a digital image of a composite film of a graphene layer on a thicker polymer, according to one embodiment. [0019]
FIG. 7 is a plot of indentation experiment of composite films with one or more layers of graphene, according to one embodiment.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Canceled
The product of claim 3, wherein the polymer layer has a thickness of less than about 100 nm. Previously presented
A product comprising: a composite film comprising a polymer layer directly adjacent a graphene layer, wherein the graphene layer includes islands of graphene that are held together by van der Waals forces, wherein a weight fraction of graphene in the composite film is greater than 10% relative to the total weight of the polymer layer and the graphene layer. Currently amended
The product of claim 3, wherein the graphene layer includes several layers of graphene. Previously presented
The product of claim 3, wherein the composite film includes a second graphene layer directly adjacent a second side of the polymer layer. Previously presented
The product of claim 3, wherein the composite film includes a second graphene layer directly adjacent the graphene layer. Previously presented
The product of claim 3, wherein the composite film includes a second polymer layer directly adjacent a second side of the graphene layer. Previously presented
The product of claim 3, wherein the composite film has a stiffness that is at least five times a stiffness of the polymer layer. Previously presented
A method, comprising using the product of claim 3 as a separation medium for separating a component from a liquid. Currently amended
A process of forming the product of claim 3, the process comprising: layering the graphene layer onto the polymer layer to form the composite film. Previously presented
The product of claim 3, wherein the weight fraction of graphene in the composite film is greater than [[20%]] 10%. Currently amended
The product of claim 3, wherein the composite film has a stiffness that is at least five times a stiffness of the polymer layer, wherein the composite film has a yield strength that is greater than three times a yield strength of the polymer layer. Previously presented
The product of claim 3, wherein the composite film has a yield strength that is greater than two times a yield strength of the polymer layer. Previously presented
A product comprising: a composite film comprising a polymer layer directly adjacent a graphene layer, wherein the graphene layer includes islands of graphene that are held together by van der Waals forces, wherein the composite film has a stiffness greater than three times a stiffness of the polymer layer, wherein a weight fraction of graphene is greater than 10% relative to the total weight of the polymer layer and graphene layer. Currently amended
The product of claim 8, wherein the composite film includes a second graphene layer directly adjacent a second side of the polymer layer. Previously presented
The product of claim 8, wherein the composite film has a stiffness that is at least five times a stiffness of the polymer layer. Previously presented
The product of claim 8, wherein the polymer Previously presented
A product comprising: a composite film comprising a polymer layer directly adjacent a graphene layer, wherein the composite film has a yield strength that is at least three times a yield strength of the polymer layer, wherein a weight fraction of graphene is greater than 10% relative to the total weight of the polymer layer and the graphene layer. Currently amended
The product of claim 10, wherein the composite stiffness of the polymer layer. Previously presented
The product of claim 10, wherein the polymer nm. Previously presented layer has a thickness of less than about 100 nm. film has a stiffness that is at least five times a layer has a thickness of less than about 100
Canceled
Canceled
Canceled
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
ultrathin graphene/polymer composite film
composite film with second graphene layer on opposite side of polymer
Materials described outside the worked examples.
polymer layer
graphene layer
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIGS. 1A-1 D, the product 100 includes a composite film 102 that includes a polymer layer 104 directly adjacent a graphene layer 106. [0031] In some …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
composite film stiffness relative to polymer layer alone | 5–8 dimensionless (×polymer stiffness) | polymer layergraphene layer |
composite film yield strength relative to polymer layer alone |
Related documents with shared materials, methods, properties, or citations.
composite film with second polymer layer on opposite side of graphene
second graphene layer
second polymer layer
poly(vinyl) formal
polystyrene
poly(methylmethacrylate)
polyimide
nickel catalyst
Ni
copper catalyst
Cu
| ≥ 3 dimensionless (×polymer yield strength) |
polymer layergraphene layer |
Thickness | 5–100 nm | — |
Duration | 2–6 hours | — |
Thickness | ≤ 1 nm | — |
Pressure | ≥ 47 MPa | — |
Pressure | ≥ 115 MPa | — |
composite film with second polymer layer on opposite side of graphene
second graphene layer
second polymer layer
poly(vinyl) formal
polystyrene
poly(methylmethacrylate)
polyimide
nickel catalyst
Ni
copper catalyst
Cu
| ≥ 3 dimensionless (×polymer yield strength) |
polymer layergraphene layer |
Thickness | 5–100 nm | — |
Duration | 2–6 hours | — |
Thickness | ≤ 1 nm | — |
Pressure | ≥ 47 MPa | — |
Pressure | ≥ 115 MPa | — |
composite film with second polymer layer on opposite side of graphene
second graphene layer
second polymer layer
poly(vinyl) formal
polystyrene
poly(methylmethacrylate)
polyimide
nickel catalyst
Ni
copper catalyst
Cu
| ≥ 3 dimensionless (×polymer yield strength) |
polymer layergraphene layer |
Thickness | 5–100 nm | — |
Duration | 2–6 hours | — |
Thickness | ≤ 1 nm | — |
Pressure | ≥ 47 MPa | — |
Pressure | ≥ 115 MPa | — |
composite film with second polymer layer on opposite side of graphene
second graphene layer
second polymer layer
poly(vinyl) formal
polystyrene
poly(methylmethacrylate)
polyimide
nickel catalyst
Ni
copper catalyst
Cu
| ≥ 3 dimensionless (×polymer yield strength) |
polymer layergraphene layer |
Thickness | 5–100 nm | — |
Duration | 2–6 hours | — |
Thickness | ≤ 1 nm | — |
Pressure | ≥ 47 MPa | — |
Pressure | ≥ 115 MPa | — |