国家/地区 中国（9） 美国（9） 世界知识产权组织（4） 欧洲专利局（EPO）（3） 日本（2） 韩国（2）
IPC部 C（15）
IPC大类 C01（15） C25（15） B32（4）
B82（4） C23（2） F24（2）
IPC小类 C01B（15）
IPC C25F003/02（15）
发明人 DARLING M J（3） GUO L（3） HAN S（3）
LI X（3） CAO D（2） LI M（2）
LI Z（2） LIU Q（2） MA Y（2）
WANG Y（2） WU L（2） YE D（2）
ZENG C（2）
公开年 2014（3） 2015（3） 2021（3） 2018（2）
申请年 2012（3）  2014（3）  2020（3）  2018（2） 
专利权人 INT BUSINESS.（3） DARLING M J（2） GUANGDONG KO.（2） NU PROMETHEA.（2）

Processing method of copper-containing graphene powder, involves mixing oxidized acid liquid and graphene cake, performing chemical corrosion, removing residual copper, and obtaining pure graphene powder.

JIN H, ZHANG W

Method for preparing graphene by using waste graphite of negative electrode of lithium battery, involves heating electrolyte in electrolytic cell to melt and keep warm, and respectively immersing anode and cathode in electrolyte.

XU J, LIN Q, WU X, WANG Y, RUAN D, LI C

Porous titanium carbide MXene/reduced graphene oxide-based heating table comprises transparent table top and table legs for supporting transparent table top and electric heating plate parallel to transparent table.

WU L, CAO D, MA Y, YE D, LI M, LI Z, ZENG C, LIU Q

Porous niobium carbide MXene/reduced graphene oxide base floor heating brick comprises insulation, porous niobium carbide MXene/reduced oxidation graphene-based heating film and tile layer.

WU L, CAO D, MA Y, YE D, LI M, LI Z, ZENG C, LIU Q

Preparing graphene involves etching the carbon alloy with etching solution to remove non-carbon elements in the carbon-containing alloy to obtain graphene, etching solution includes one to three of hydrochloric acid, sulfuric acid.

ZHONG L, WANG X, XU L, ZHANG Q, ZHOU Y, LIU H, WANG Y

Etching graphene nanostructure involves providing a piece of highly oriented pyrolytic graphite which includes first window, second window, and third window, where first window and second window includes one or more electrode contacts.

DARLING M J

Graphene-manufacturing apparatus includes reaction chamber defining reaction space, mold unit including mold body and outer surface, and driving unit connected to mold unit.

HUANG K, HUANG G

Preparation of graphene based on electrochemical stripping of dual graphite electrode, involves dissolving sulfate or carbonate, dripping concentrated sulfuric acid to obtain electrolytic solution and placing graphite sheets in solution.

WANG M, SUN Z, LI L

Electrochemical etching method used for metal substrate involves forming electrically conductive polymer on graphene layer such that metal plate is coupled to graphene layer, then disposing metal substrate layer in electrolyte.

GUO L, HAN S, LI X

Biocompatible composition used for drug delivery and biomedical applications comprises graphene quantum dots with specified particle size embedded in polyethylene glycol matrix with specified particle size.

SINGH N, CHANDRA A