国家/地区 中国（12） 韩国（4） 世界知识产权组织（3） 印度（2）
IPC部 B（21）
IPC大类 B01（21） C01（21） B82（3）
C07（3） C02（2） H01（2）
IPC小类 B01J（21）
IPC C01B032/198（21）
发明人 GUO H（2） REN X（2） WANG Y（2）
公开年 2023（21）
申请年 2022（14）  2021（4）  2023（3） 
专利权人

Classifying graphene oxide comprises classifying graphene oxide contained in graphene oxide dispersion by controlling pH of graphene oxide dispersion containing graphene oxide.

AN K, LEE S S, MYUNG S, SEOG S, MIN L S, GI S G

Producing closed-shell thermally reduced graphene oxide useful as material for soundproofing and buoys, comprises e.g. acid treating graphite, heat-treating graphene oxide, and coating thermally reduced graphene oxide with coating agent.

CHOI J Y

Performing selective oxidation of propylene glycol to hydroxyacetone through liquid phase oxidation involves using copper-infused sulfated zirconium oxide nanoparticles supported on reduced graphene oxide catalyst.

MANGESH V, TAMIZHDURAI P

Depositing graphene or graphene oxide onto substrate from gaseous source of carbon precursor involves using plasma-enhanced chemical vapor deposition method, where carbon precursor consists of ethylene and the process is carried out in absence of carrier gas.

JOUIAD M, EL MARSSI M, LEJEUNE M

Preparing carbon-based gas gel induced by carbon dots useful in catalysis, comprises e.g. taking carbon dots using positively charged polymers by thermal sintering method and carrying out electrostatic self-assembly with rich and disordered pore structure without chemical cross-linking agent.

YE M, JIAO Z, YAN B, YANG X

Preparation of graphene aerogel for carbon dioxide adsorption, involves preparing graphene-polyethyleneimine-chitosan composite slurry, and freezing in mold where thermal conductivity coefficient of bottom is greater than that of side wall.

CHENG A, HE Z, GAO S, LIU L, LI X, WANG Q, WU T

Reaction vessel for producing graphene oxide, has circulating pipe that uniformly surrounds periphery of stirring shaft and two ends of circulating pipe are connected with jacket.

REN X, MA L, SONG X, MA X, LIU T, LU G

Preparing wrinkled graphene-based single-atom catalysts used for e.g. electrocatalytic process by preparing graphene oxide suspending solution, mixing with metal precursor solution, atomizing and pyrolyzing, calcining corrugated spherical graphene oxide-based metal single-atom catalyst.

HE G, YE G, FEI H

Photocatalyst used in e.g. capture and chemical conversion of air, water and soil pollutants, comprises three-dimensional structure of reduced graphene oxide and nanoplatelets of semiconductor e.g. gallium nitride or tungsten disulfide.

TOMOVSKA R, POLITAKOS N, BARBARIN I

Preparation of graphene oxide felt used for microwave absorption, involves adding zinc acetate to ethanol, stirring, adding graphite oxide hydrosol, stirring, suction filtering, removing impurity, rinsing, removing suction filtration film attached to graphene oxide felt, and drying.

LIN L, CHEN Y, WANG Y, QUAN B