国家/地区 中国（4） 欧洲专利局（EPO）（2） 印度（2） 日本（2） 韩国（2） 美国（2） 世界知识产权组织（2）
IPC部 B（4）
IPC大类 B01（4） C01（4）
IPC小类 B01D（4）
IPC C01B032/192（4）
发明人
公开年 2021（4）
申请年 2020（4）
专利权人

Preparing graphene based on mixed inorganic acid solvent by e.g. pre-treating raw material graphite powder, preparing mixed inorganic acid solvent, performing graphene peeling treatment, and extracting graphene product from graphene mixture.

QIAN X, MA C

Preparing selective catalytic reduction denitration catalyst comprises e.g. dissolving neutralized slag by rare earth oxalic acid wastewater by sulfuric acid, depositing, converting, and adding concentrated sulfuric acid.

TONG Z, WANG F, ZHAO Z, WANG W, WANG Y, WANG S

Fast precipitating device useful for processing graphene, comprises an outer barrel, where the inner part of the outer barrel is rotatably inserted with an inner barrel, and the bottom of the outer barrel is fixedly connected with a motor.

JI H

Making graphene oxide from kish graphite comprises e.g. provision of kish graphite, pre-treating kish graphite, intercalation graphite with persulfate salt and acid, expansion of intercalated graphite and oxidatizing expanded kish graphite.

VU T T, SUAREZ SANCHEZ R, SUAREZ S R, VU T, SANCHEZ R S