Patent
US 10,696,790GRAPHENE DISPERSING METHODS AND APPLICATION THEREOF
Haibin YU
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,696,790Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 2a sh o ws Tr a nsmissi o n Electr o n Micr osco pe (TEM) images of the graphene slurries of embodiment 2a and embodiment 2b, wherein W is corresponding …
FIG. 3a. As shown in
FIG. 6 a sh o ws surface i m ages of pure polyurethanes c oa ting of c o ntr o lled exa m ple 3b and graphene composite coating of embodiment 6b after salt …
FIG. 7i is images of surface contact angle of water soluble graphene composite coating of embodiment 7a and water s olu ble epoxy resin coating of c o ntr o …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently amended): A method for dispersing graphene, the method comprising the following steps: providing a graphene material and a graphene dispersant, wherein the graphene dispersant comprises aniline oligomer, which is an electroactive polymer, and the aniline o li gomer is able to combine with the graphene material via 11-11 bond, wherein the graphene material is graphene; and adding the graphene material and the graphene dispersant to a dispersing medium, and stirring at a temperature of 70 degrees centigrade or 80 degrees centigrade for 2 hours, in order to combine the aniline o li gomer with the graphene material via 1L-1L bondand disperse the graphene material in the dispersing medium by the graphene dispersant, wherein the aniline o li gomer is selected from the group consisting of aniline trimer, aniline tetramer, aniline pentamer, aniline hexamer, aniline octamer, and combination thereof. Currently amended
: The method of claim 1, wherein the dispersing medium comprises water, organic solvent, polymer, or combinations thereof. Original
. Canceled
12-15. Canceled
Canceled
(Cu rr ently amended): A method for making a graphene composite powder, comprising the following steps: dispersing a graphene material in a dispersing medium and obtaining a mixture A, wherein the graphene material is graphene; adding a dispersing agent and aniline oligomer, and stirr ing at a temperature of 70 degrees centigrade or 80 degrees centigrade for 2 hours, in order to obtain a mixture B, wherein the graphene is mixed uniformly with the aniline o li gomer, and a 1L-1L bond is formed between the graphene and the aniline oligomer- ef; and drying the mixture B and obtaining the graphene composite powder modified by the aniline o li gomer. Currently amended
(Cu rr ently amended): The method of claim 16, wherein the dispersing medium is deionized water, ethanol, acetone, isopropyl alcohol, butanol, ethyl acetate, toluene, chloroform, dimethyl methylamine, dimethyl sulfone, dichloroethane, or combinations thereof, a mass ratio of the graphene and the dispersing medium is 1:10 ~ 1:10000, the dispersing agent is selected Page 4 of 9 from the group consisting of silane coupling agent, polyvinyl alcohol, polyvinyl py rr olidone, organic modified polysiloxane dipropylene glycol m ono methyl ether solution, organic silicon
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Graphene composite powder prepared using aniline trimer carboxylic acid derivative as graphene dispersant, characterized by Raman spectra and UV-Vis spectra.
2 materials
Graphene slurries prepared with aniline oligomer dispersant, characterized by TEM images (embodiments 2a and 2b) and SEM image of graphene composite powder (embodiment 2a).
1 material
Graphene dispersions in various media demonstrated by photographs.
1 material
Graphene composite paper fabricated and photographed.
2 materials
Graphene composite coatings (epoxy resin and polyurethane based) evaluated for anti-corrosion performance via salt spray test (500 hours), AC impedance spectroscopy in 3.5 wt% NaCl, and polarization curves compared to controlled examples 3a and 3b.
2 materials
Water-soluble graphene composite coating evaluated for anti-corrosion performance via salt spray test (500 hours), AC impedance spectroscopy, and polarization curves in 3.5 wt% NaCl for 48 hours, compared to controlled example 4a (water-soluble epoxy resin coating).
Materials described outside the worked examples.
dispersing medium
graphene composite powder modified by aniline oligomer
Measurements and analyses referenced in the patent, with their drawing references.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 1–3 hours | — |
Patent
Atlas literature
Patent
US 10,696,790Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 2a sh o ws Tr a nsmissi o n Electr o n Micr osco pe (TEM) images of the graphene slurries of embodiment 2a and embodiment 2b, wherein W is corresponding …
FIG. 3a. As shown in
FIG. 6 a sh o ws surface i m ages of pure polyurethanes c oa ting of c o ntr o lled exa m ple 3b and graphene composite coating of embodiment 6b after salt …
FIG. 7i is images of surface contact angle of water soluble graphene composite coating of embodiment 7a and water s olu ble epoxy resin coating of c o ntr o …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently amended): A method for dispersing graphene, the method comprising the following steps: providing a graphene material and a graphene dispersant, wherein the graphene dispersant comprises aniline oligomer, which is an electroactive polymer, and the aniline o li gomer is able to combine with the graphene material via 11-11 bond, wherein the graphene material is graphene; and adding the graphene material and the graphene dispersant to a dispersing medium, and stirring at a temperature of 70 degrees centigrade or 80 degrees centigrade for 2 hours, in order to combine the aniline o li gomer with the graphene material via 1L-1L bondand disperse the graphene material in the dispersing medium by the graphene dispersant, wherein the aniline o li gomer is selected from the group consisting of aniline trimer, aniline tetramer, aniline pentamer, aniline hexamer, aniline octamer, and combination thereof. Currently amended
: The method of claim 1, wherein the dispersing medium comprises water, organic solvent, polymer, or combinations thereof. Original
. Canceled
12-15. Canceled
Canceled
(Cu rr ently amended): A method for making a graphene composite powder, comprising the following steps: dispersing a graphene material in a dispersing medium and obtaining a mixture A, wherein the graphene material is graphene; adding a dispersing agent and aniline oligomer, and stirr ing at a temperature of 70 degrees centigrade or 80 degrees centigrade for 2 hours, in order to obtain a mixture B, wherein the graphene is mixed uniformly with the aniline o li gomer, and a 1L-1L bond is formed between the graphene and the aniline oligomer- ef; and drying the mixture B and obtaining the graphene composite powder modified by the aniline o li gomer. Currently amended
(Cu rr ently amended): The method of claim 16, wherein the dispersing medium is deionized water, ethanol, acetone, isopropyl alcohol, butanol, ethyl acetate, toluene, chloroform, dimethyl methylamine, dimethyl sulfone, dichloroethane, or combinations thereof, a mass ratio of the graphene and the dispersing medium is 1:10 ~ 1:10000, the dispersing agent is selected Page 4 of 9 from the group consisting of silane coupling agent, polyvinyl alcohol, polyvinyl py rr olidone, organic modified polysiloxane dipropylene glycol m ono methyl ether solution, organic silicon
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Graphene composite powder prepared using aniline trimer carboxylic acid derivative as graphene dispersant, characterized by Raman spectra and UV-Vis spectra.
2 materials
Graphene slurries prepared with aniline oligomer dispersant, characterized by TEM images (embodiments 2a and 2b) and SEM image of graphene composite powder (embodiment 2a).
1 material
Graphene dispersions in various media demonstrated by photographs.
1 material
Graphene composite paper fabricated and photographed.
2 materials
Graphene composite coatings (epoxy resin and polyurethane based) evaluated for anti-corrosion performance via salt spray test (500 hours), AC impedance spectroscopy in 3.5 wt% NaCl, and polarization curves compared to controlled examples 3a and 3b.
2 materials
Water-soluble graphene composite coating evaluated for anti-corrosion performance via salt spray test (500 hours), AC impedance spectroscopy, and polarization curves in 3.5 wt% NaCl for 48 hours, compared to controlled example 4a (water-soluble epoxy resin coating).
Materials described outside the worked examples.
dispersing medium
graphene composite powder modified by aniline oligomer
Measurements and analyses referenced in the patent, with their drawing references.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 1–3 hours | — |
Patent
Atlas literature
Patent
US 10,696,790Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 2a sh o ws Tr a nsmissi o n Electr o n Micr osco pe (TEM) images of the graphene slurries of embodiment 2a and embodiment 2b, wherein W is corresponding …
FIG. 3a. As shown in
FIG. 6 a sh o ws surface i m ages of pure polyurethanes c oa ting of c o ntr o lled exa m ple 3b and graphene composite coating of embodiment 6b after salt …
FIG. 7i is images of surface contact angle of water soluble graphene composite coating of embodiment 7a and water s olu ble epoxy resin coating of c o ntr o …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently amended): A method for dispersing graphene, the method comprising the following steps: providing a graphene material and a graphene dispersant, wherein the graphene dispersant comprises aniline oligomer, which is an electroactive polymer, and the aniline o li gomer is able to combine with the graphene material via 11-11 bond, wherein the graphene material is graphene; and adding the graphene material and the graphene dispersant to a dispersing medium, and stirring at a temperature of 70 degrees centigrade or 80 degrees centigrade for 2 hours, in order to combine the aniline o li gomer with the graphene material via 1L-1L bondand disperse the graphene material in the dispersing medium by the graphene dispersant, wherein the aniline o li gomer is selected from the group consisting of aniline trimer, aniline tetramer, aniline pentamer, aniline hexamer, aniline octamer, and combination thereof. Currently amended
: The method of claim 1, wherein the dispersing medium comprises water, organic solvent, polymer, or combinations thereof. Original
. Canceled
12-15. Canceled
Canceled
(Cu rr ently amended): A method for making a graphene composite powder, comprising the following steps: dispersing a graphene material in a dispersing medium and obtaining a mixture A, wherein the graphene material is graphene; adding a dispersing agent and aniline oligomer, and stirr ing at a temperature of 70 degrees centigrade or 80 degrees centigrade for 2 hours, in order to obtain a mixture B, wherein the graphene is mixed uniformly with the aniline o li gomer, and a 1L-1L bond is formed between the graphene and the aniline oligomer- ef; and drying the mixture B and obtaining the graphene composite powder modified by the aniline o li gomer. Currently amended
(Cu rr ently amended): The method of claim 16, wherein the dispersing medium is deionized water, ethanol, acetone, isopropyl alcohol, butanol, ethyl acetate, toluene, chloroform, dimethyl methylamine, dimethyl sulfone, dichloroethane, or combinations thereof, a mass ratio of the graphene and the dispersing medium is 1:10 ~ 1:10000, the dispersing agent is selected Page 4 of 9 from the group consisting of silane coupling agent, polyvinyl alcohol, polyvinyl py rr olidone, organic modified polysiloxane dipropylene glycol m ono methyl ether solution, organic silicon
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Graphene composite powder prepared using aniline trimer carboxylic acid derivative as graphene dispersant, characterized by Raman spectra and UV-Vis spectra.
2 materials
Graphene slurries prepared with aniline oligomer dispersant, characterized by TEM images (embodiments 2a and 2b) and SEM image of graphene composite powder (embodiment 2a).
1 material
Graphene dispersions in various media demonstrated by photographs.
1 material
Graphene composite paper fabricated and photographed.
2 materials
Graphene composite coatings (epoxy resin and polyurethane based) evaluated for anti-corrosion performance via salt spray test (500 hours), AC impedance spectroscopy in 3.5 wt% NaCl, and polarization curves compared to controlled examples 3a and 3b.
2 materials
Water-soluble graphene composite coating evaluated for anti-corrosion performance via salt spray test (500 hours), AC impedance spectroscopy, and polarization curves in 3.5 wt% NaCl for 48 hours, compared to controlled example 4a (water-soluble epoxy resin coating).
Materials described outside the worked examples.
dispersing medium
graphene composite powder modified by aniline oligomer
Measurements and analyses referenced in the patent, with their drawing references.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 1–3 hours | — |
Patent
Atlas literature
Patent
US 10,696,790Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 2a sh o ws Tr a nsmissi o n Electr o n Micr osco pe (TEM) images of the graphene slurries of embodiment 2a and embodiment 2b, wherein W is corresponding …
FIG. 3a. As shown in
FIG. 6 a sh o ws surface i m ages of pure polyurethanes c oa ting of c o ntr o lled exa m ple 3b and graphene composite coating of embodiment 6b after salt …
FIG. 7i is images of surface contact angle of water soluble graphene composite coating of embodiment 7a and water s olu ble epoxy resin coating of c o ntr o …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Cu rr ently amended): A method for dispersing graphene, the method comprising the following steps: providing a graphene material and a graphene dispersant, wherein the graphene dispersant comprises aniline oligomer, which is an electroactive polymer, and the aniline o li gomer is able to combine with the graphene material via 11-11 bond, wherein the graphene material is graphene; and adding the graphene material and the graphene dispersant to a dispersing medium, and stirring at a temperature of 70 degrees centigrade or 80 degrees centigrade for 2 hours, in order to combine the aniline o li gomer with the graphene material via 1L-1L bondand disperse the graphene material in the dispersing medium by the graphene dispersant, wherein the aniline o li gomer is selected from the group consisting of aniline trimer, aniline tetramer, aniline pentamer, aniline hexamer, aniline octamer, and combination thereof. Currently amended
: The method of claim 1, wherein the dispersing medium comprises water, organic solvent, polymer, or combinations thereof. Original
. Canceled
12-15. Canceled
Canceled
(Cu rr ently amended): A method for making a graphene composite powder, comprising the following steps: dispersing a graphene material in a dispersing medium and obtaining a mixture A, wherein the graphene material is graphene; adding a dispersing agent and aniline oligomer, and stirr ing at a temperature of 70 degrees centigrade or 80 degrees centigrade for 2 hours, in order to obtain a mixture B, wherein the graphene is mixed uniformly with the aniline o li gomer, and a 1L-1L bond is formed between the graphene and the aniline oligomer- ef; and drying the mixture B and obtaining the graphene composite powder modified by the aniline o li gomer. Currently amended
(Cu rr ently amended): The method of claim 16, wherein the dispersing medium is deionized water, ethanol, acetone, isopropyl alcohol, butanol, ethyl acetate, toluene, chloroform, dimethyl methylamine, dimethyl sulfone, dichloroethane, or combinations thereof, a mass ratio of the graphene and the dispersing medium is 1:10 ~ 1:10000, the dispersing agent is selected Page 4 of 9 from the group consisting of silane coupling agent, polyvinyl alcohol, polyvinyl py rr olidone, organic modified polysiloxane dipropylene glycol m ono methyl ether solution, organic silicon
Embodiments described in the patent, grouped by the materials and process steps they use.
2 materials1 process step
Graphene composite powder prepared using aniline trimer carboxylic acid derivative as graphene dispersant, characterized by Raman spectra and UV-Vis spectra.
2 materials
Graphene slurries prepared with aniline oligomer dispersant, characterized by TEM images (embodiments 2a and 2b) and SEM image of graphene composite powder (embodiment 2a).
1 material
Graphene dispersions in various media demonstrated by photographs.
1 material
Graphene composite paper fabricated and photographed.
2 materials
Graphene composite coatings (epoxy resin and polyurethane based) evaluated for anti-corrosion performance via salt spray test (500 hours), AC impedance spectroscopy in 3.5 wt% NaCl, and polarization curves compared to controlled examples 3a and 3b.
2 materials
Water-soluble graphene composite coating evaluated for anti-corrosion performance via salt spray test (500 hours), AC impedance spectroscopy, and polarization curves in 3.5 wt% NaCl for 48 hours, compared to controlled example 4a (water-soluble epoxy resin coating).
Materials described outside the worked examples.
dispersing medium
graphene composite powder modified by aniline oligomer
Measurements and analyses referenced in the patent, with their drawing references.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 1–3 hours | — |