Patent
US 10,843,145METHOD AND DEVICE FOR PRODUCTION OF GRAPHENE OR GRAPHENE-LIKE MATERIALS
Vitor Emanuel MARQUES ABRANTES
US
Copyright © 2026 Matter42. All rights reserved.
Patent 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 method for the production of graphene or graphene-like material, comprising the following steps: providing particles of a crystalline graphitic material; dispersing the particles of the crystalline graphitic material in a solvent mixture or surfactant mixture to form a mixture; submitting the mixture to a cavitation force such that cavitation bubbles are present; submitting the mixture to high shear agitation of 2000 to 35000 RPM; and submitting the mixture to an atomization nozzle and spray drying process, wherein the spray drying process is conducted via a spray drying chamber, a cyclone, a dehumidifier and an inert loop. Currently amended
The method of claim 1, wherein the steps of submitting the mixture to the cavitation force and submitting the mixture to high shear agitation are simultaneous, and are performed in a single enclosed vessel. Previously presented
The method of claim 1, wherein the crystalline graphitic material is provided at 0.25 to mg/mL. Previously presented
The method of claim 1, wherein the cavitation bubbles have a radius size within a range of 0.2 to 18 pm. Previously presented
The method of claim 1, wherein the cavitation force is modulated in working frequency of a 1-5% range of a sweep function. Previously presented
The method of claim 1, wherein the high shear agitation of the method is made by at least two mechanical dispersion elements, wherein the mechanical dispersion elements comprise a rotor and a stator. Previously presented
The method of claim 1, wherein the high shear agitation is 5000 to 15000 RPM. Previously presented
The method of claim 1, wherein the crystalline graphitic material is selected from the group consisting of: natural graphite, pyrolytic graphite, meso-carbon micro- bead carbon or graphite fiber, carbon or graphitic nano-fiber, soft carbon, hard carbon, and combinations thereof. Previously presented
The method of claim 1, wherein the solvent mixture or surfactant mixture comprises a compound is- selected from the group consisting of: butyl alcohol, ethanol, acetone, ketone, petroleum ether, N-methylpyrrolidone, hydrogen peroxide, water, and mixtures thereof. Currently amended
The method of claim 1, wherein the solvent mixture or surfactant mixture has a Hildebrand solubility of at least of 23 MPa (1/2). Previously presented
The method of claim 1, wherein the steps of submitting the mixture to the cavitation force and submitting the mixture to high shear agitation are carried out for 0.1 to 12 hours. Previously presented
Canceled
Canceled
Canceled
The method of claim 1 wherein the atomization nozzle and spray drying process step is made at temperatures comprised between 40 and 350 °C. Currently amended
Canceled
Canceled
Canceled
Canceled
Canceled
Canceled
Materials described outside the worked examples.
crystalline graphitic material
solvent mixture or surfactant mixture
graphene or graphene-like material
natural graphite
pyrolytic graphite
meso-carbon micro-bead carbon or graphite fiber
carbon or graphitic nano-fiber
soft carbon
hard carbon
butyl alcohol
ethanol
C₂H₅OH
acetone
C₃H₆O
ketone
petroleum ether
N-methylpyrrolidone
C₅H₉NO
hydrogen peroxide
H₂O₂
water
H₂O
boron nitride
BN
molybdenum disulfide
MoS₂
tungsten disulfide
WS₂
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 40–350 °C | — |
Duration | 0.1–12 hours | — |
Related documents with shared materials, methods, properties, or citations.
LOW COST AND FAST METHOD TO MASSIVELY PRODUCE GRAPHENE AND GRAPHENE OXIDE WITH CARBON-RICH NATURAL MATERIALS AND THE USE OF THE SAME
METHOD OF PREPARING GRAPHENE NANOPLATE, PREPARED GRAPHENE NANOPLATE, GRAPHENE NANOPLATE PASTE, AND CONDUCTIVE LAYER INCLUDING THE GRAPHENE NANOPLATE
The effects of dispersion damping and three-body interactions for accurate layered-material exfoliation energies
Negative transit time in non-tunneling electron transmission through graphene multilayers
Apparatus and method for bulk production of atomically thin 2-dimensional materials including graphene
METHOD FOR PRODUCING SHEETS OF GRAPHENE
Stability of Planar Slits in Multilayer Graphite Crystals
GRAPHENE NANOPLATELETS- OR GRAPHITE NANOPLATELETS-BASED NANOCOMPOSITES FOR REDUCING ELECTROMAGNETIC INTERFERENCES
METHOD OF PRODUCING GRAPHENE
Graphene Entrainment in a Host
METHOD FOR PRODUCING FEW-LAYER GRAPHENE
APPARATUS AND METHOD FOR PREPARING GRAPHENE BY EXFOLIATION OF GRAPHITE USING A PULSED OR CAVITATING WATERJET
Patent 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 method for the production of graphene or graphene-like material, comprising the following steps: providing particles of a crystalline graphitic material; dispersing the particles of the crystalline graphitic material in a solvent mixture or surfactant mixture to form a mixture; submitting the mixture to a cavitation force such that cavitation bubbles are present; submitting the mixture to high shear agitation of 2000 to 35000 RPM; and submitting the mixture to an atomization nozzle and spray drying process, wherein the spray drying process is conducted via a spray drying chamber, a cyclone, a dehumidifier and an inert loop. Currently amended
The method of claim 1, wherein the steps of submitting the mixture to the cavitation force and submitting the mixture to high shear agitation are simultaneous, and are performed in a single enclosed vessel. Previously presented
The method of claim 1, wherein the crystalline graphitic material is provided at 0.25 to mg/mL. Previously presented
The method of claim 1, wherein the cavitation bubbles have a radius size within a range of 0.2 to 18 pm. Previously presented
The method of claim 1, wherein the cavitation force is modulated in working frequency of a 1-5% range of a sweep function. Previously presented
The method of claim 1, wherein the high shear agitation of the method is made by at least two mechanical dispersion elements, wherein the mechanical dispersion elements comprise a rotor and a stator. Previously presented
The method of claim 1, wherein the high shear agitation is 5000 to 15000 RPM. Previously presented
The method of claim 1, wherein the crystalline graphitic material is selected from the group consisting of: natural graphite, pyrolytic graphite, meso-carbon micro- bead carbon or graphite fiber, carbon or graphitic nano-fiber, soft carbon, hard carbon, and combinations thereof. Previously presented
The method of claim 1, wherein the solvent mixture or surfactant mixture comprises a compound is- selected from the group consisting of: butyl alcohol, ethanol, acetone, ketone, petroleum ether, N-methylpyrrolidone, hydrogen peroxide, water, and mixtures thereof. Currently amended
The method of claim 1, wherein the solvent mixture or surfactant mixture has a Hildebrand solubility of at least of 23 MPa (1/2). Previously presented
The method of claim 1, wherein the steps of submitting the mixture to the cavitation force and submitting the mixture to high shear agitation are carried out for 0.1 to 12 hours. Previously presented
Canceled
Canceled
Canceled
The method of claim 1 wherein the atomization nozzle and spray drying process step is made at temperatures comprised between 40 and 350 °C. Currently amended
Canceled
Canceled
Canceled
Canceled
Canceled
Canceled
Materials described outside the worked examples.
crystalline graphitic material
solvent mixture or surfactant mixture
graphene or graphene-like material
natural graphite
pyrolytic graphite
meso-carbon micro-bead carbon or graphite fiber
carbon or graphitic nano-fiber
soft carbon
hard carbon
butyl alcohol
ethanol
C₂H₅OH
acetone
C₃H₆O
ketone
petroleum ether
N-methylpyrrolidone
C₅H₉NO
hydrogen peroxide
H₂O₂
water
H₂O
boron nitride
BN
molybdenum disulfide
MoS₂
tungsten disulfide
WS₂
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 40–350 °C | — |
Duration | 0.1–12 hours | — |
Related documents with shared materials, methods, properties, or citations.
LOW COST AND FAST METHOD TO MASSIVELY PRODUCE GRAPHENE AND GRAPHENE OXIDE WITH CARBON-RICH NATURAL MATERIALS AND THE USE OF THE SAME
METHOD OF PREPARING GRAPHENE NANOPLATE, PREPARED GRAPHENE NANOPLATE, GRAPHENE NANOPLATE PASTE, AND CONDUCTIVE LAYER INCLUDING THE GRAPHENE NANOPLATE
The effects of dispersion damping and three-body interactions for accurate layered-material exfoliation energies
Negative transit time in non-tunneling electron transmission through graphene multilayers
Apparatus and method for bulk production of atomically thin 2-dimensional materials including graphene
METHOD FOR PRODUCING SHEETS OF GRAPHENE
Stability of Planar Slits in Multilayer Graphite Crystals
GRAPHENE NANOPLATELETS- OR GRAPHITE NANOPLATELETS-BASED NANOCOMPOSITES FOR REDUCING ELECTROMAGNETIC INTERFERENCES
METHOD OF PRODUCING GRAPHENE
Graphene Entrainment in a Host
METHOD FOR PRODUCING FEW-LAYER GRAPHENE
APPARATUS AND METHOD FOR PREPARING GRAPHENE BY EXFOLIATION OF GRAPHITE USING A PULSED OR CAVITATING WATERJET
Patent 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 method for the production of graphene or graphene-like material, comprising the following steps: providing particles of a crystalline graphitic material; dispersing the particles of the crystalline graphitic material in a solvent mixture or surfactant mixture to form a mixture; submitting the mixture to a cavitation force such that cavitation bubbles are present; submitting the mixture to high shear agitation of 2000 to 35000 RPM; and submitting the mixture to an atomization nozzle and spray drying process, wherein the spray drying process is conducted via a spray drying chamber, a cyclone, a dehumidifier and an inert loop. Currently amended
The method of claim 1, wherein the steps of submitting the mixture to the cavitation force and submitting the mixture to high shear agitation are simultaneous, and are performed in a single enclosed vessel. Previously presented
The method of claim 1, wherein the crystalline graphitic material is provided at 0.25 to mg/mL. Previously presented
The method of claim 1, wherein the cavitation bubbles have a radius size within a range of 0.2 to 18 pm. Previously presented
The method of claim 1, wherein the cavitation force is modulated in working frequency of a 1-5% range of a sweep function. Previously presented
The method of claim 1, wherein the high shear agitation of the method is made by at least two mechanical dispersion elements, wherein the mechanical dispersion elements comprise a rotor and a stator. Previously presented
The method of claim 1, wherein the high shear agitation is 5000 to 15000 RPM. Previously presented
The method of claim 1, wherein the crystalline graphitic material is selected from the group consisting of: natural graphite, pyrolytic graphite, meso-carbon micro- bead carbon or graphite fiber, carbon or graphitic nano-fiber, soft carbon, hard carbon, and combinations thereof. Previously presented
The method of claim 1, wherein the solvent mixture or surfactant mixture comprises a compound is- selected from the group consisting of: butyl alcohol, ethanol, acetone, ketone, petroleum ether, N-methylpyrrolidone, hydrogen peroxide, water, and mixtures thereof. Currently amended
The method of claim 1, wherein the solvent mixture or surfactant mixture has a Hildebrand solubility of at least of 23 MPa (1/2). Previously presented
The method of claim 1, wherein the steps of submitting the mixture to the cavitation force and submitting the mixture to high shear agitation are carried out for 0.1 to 12 hours. Previously presented
Canceled
Canceled
Canceled
The method of claim 1 wherein the atomization nozzle and spray drying process step is made at temperatures comprised between 40 and 350 °C. Currently amended
Canceled
Canceled
Canceled
Canceled
Canceled
Canceled
Materials described outside the worked examples.
crystalline graphitic material
solvent mixture or surfactant mixture
graphene or graphene-like material
natural graphite
pyrolytic graphite
meso-carbon micro-bead carbon or graphite fiber
carbon or graphitic nano-fiber
soft carbon
hard carbon
butyl alcohol
ethanol
C₂H₅OH
acetone
C₃H₆O
ketone
petroleum ether
N-methylpyrrolidone
C₅H₉NO
hydrogen peroxide
H₂O₂
water
H₂O
boron nitride
BN
molybdenum disulfide
MoS₂
tungsten disulfide
WS₂
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 40–350 °C | — |
Duration | 0.1–12 hours | — |
Related documents with shared materials, methods, properties, or citations.
LOW COST AND FAST METHOD TO MASSIVELY PRODUCE GRAPHENE AND GRAPHENE OXIDE WITH CARBON-RICH NATURAL MATERIALS AND THE USE OF THE SAME
METHOD OF PREPARING GRAPHENE NANOPLATE, PREPARED GRAPHENE NANOPLATE, GRAPHENE NANOPLATE PASTE, AND CONDUCTIVE LAYER INCLUDING THE GRAPHENE NANOPLATE
The effects of dispersion damping and three-body interactions for accurate layered-material exfoliation energies
Negative transit time in non-tunneling electron transmission through graphene multilayers
Apparatus and method for bulk production of atomically thin 2-dimensional materials including graphene
METHOD FOR PRODUCING SHEETS OF GRAPHENE
Stability of Planar Slits in Multilayer Graphite Crystals
GRAPHENE NANOPLATELETS- OR GRAPHITE NANOPLATELETS-BASED NANOCOMPOSITES FOR REDUCING ELECTROMAGNETIC INTERFERENCES
METHOD OF PRODUCING GRAPHENE
Graphene Entrainment in a Host
METHOD FOR PRODUCING FEW-LAYER GRAPHENE
APPARATUS AND METHOD FOR PREPARING GRAPHENE BY EXFOLIATION OF GRAPHITE USING A PULSED OR CAVITATING WATERJET
Patent 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 method for the production of graphene or graphene-like material, comprising the following steps: providing particles of a crystalline graphitic material; dispersing the particles of the crystalline graphitic material in a solvent mixture or surfactant mixture to form a mixture; submitting the mixture to a cavitation force such that cavitation bubbles are present; submitting the mixture to high shear agitation of 2000 to 35000 RPM; and submitting the mixture to an atomization nozzle and spray drying process, wherein the spray drying process is conducted via a spray drying chamber, a cyclone, a dehumidifier and an inert loop. Currently amended
The method of claim 1, wherein the steps of submitting the mixture to the cavitation force and submitting the mixture to high shear agitation are simultaneous, and are performed in a single enclosed vessel. Previously presented
The method of claim 1, wherein the crystalline graphitic material is provided at 0.25 to mg/mL. Previously presented
The method of claim 1, wherein the cavitation bubbles have a radius size within a range of 0.2 to 18 pm. Previously presented
The method of claim 1, wherein the cavitation force is modulated in working frequency of a 1-5% range of a sweep function. Previously presented
The method of claim 1, wherein the high shear agitation of the method is made by at least two mechanical dispersion elements, wherein the mechanical dispersion elements comprise a rotor and a stator. Previously presented
The method of claim 1, wherein the high shear agitation is 5000 to 15000 RPM. Previously presented
The method of claim 1, wherein the crystalline graphitic material is selected from the group consisting of: natural graphite, pyrolytic graphite, meso-carbon micro- bead carbon or graphite fiber, carbon or graphitic nano-fiber, soft carbon, hard carbon, and combinations thereof. Previously presented
The method of claim 1, wherein the solvent mixture or surfactant mixture comprises a compound is- selected from the group consisting of: butyl alcohol, ethanol, acetone, ketone, petroleum ether, N-methylpyrrolidone, hydrogen peroxide, water, and mixtures thereof. Currently amended
The method of claim 1, wherein the solvent mixture or surfactant mixture has a Hildebrand solubility of at least of 23 MPa (1/2). Previously presented
The method of claim 1, wherein the steps of submitting the mixture to the cavitation force and submitting the mixture to high shear agitation are carried out for 0.1 to 12 hours. Previously presented
Canceled
Canceled
Canceled
The method of claim 1 wherein the atomization nozzle and spray drying process step is made at temperatures comprised between 40 and 350 °C. Currently amended
Canceled
Canceled
Canceled
Canceled
Canceled
Canceled
Materials described outside the worked examples.
crystalline graphitic material
solvent mixture or surfactant mixture
graphene or graphene-like material
natural graphite
pyrolytic graphite
meso-carbon micro-bead carbon or graphite fiber
carbon or graphitic nano-fiber
soft carbon
hard carbon
butyl alcohol
ethanol
C₂H₅OH
acetone
C₃H₆O
ketone
petroleum ether
N-methylpyrrolidone
C₅H₉NO
hydrogen peroxide
H₂O₂
water
H₂O
boron nitride
BN
molybdenum disulfide
MoS₂
tungsten disulfide
WS₂
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 40–350 °C | — |
Duration | 0.1–12 hours | — |
Related documents with shared materials, methods, properties, or citations.
LOW COST AND FAST METHOD TO MASSIVELY PRODUCE GRAPHENE AND GRAPHENE OXIDE WITH CARBON-RICH NATURAL MATERIALS AND THE USE OF THE SAME
METHOD OF PREPARING GRAPHENE NANOPLATE, PREPARED GRAPHENE NANOPLATE, GRAPHENE NANOPLATE PASTE, AND CONDUCTIVE LAYER INCLUDING THE GRAPHENE NANOPLATE
The effects of dispersion damping and three-body interactions for accurate layered-material exfoliation energies
Negative transit time in non-tunneling electron transmission through graphene multilayers
Apparatus and method for bulk production of atomically thin 2-dimensional materials including graphene
METHOD FOR PRODUCING SHEETS OF GRAPHENE
Stability of Planar Slits in Multilayer Graphite Crystals
GRAPHENE NANOPLATELETS- OR GRAPHITE NANOPLATELETS-BASED NANOCOMPOSITES FOR REDUCING ELECTROMAGNETIC INTERFERENCES
METHOD OF PRODUCING GRAPHENE
Graphene Entrainment in a Host
METHOD FOR PRODUCING FEW-LAYER GRAPHENE
APPARATUS AND METHOD FOR PREPARING GRAPHENE BY EXFOLIATION OF GRAPHITE USING A PULSED OR CAVITATING WATERJET