国家/地区 中国（4） 美国（3） 欧洲专利局（EPO）（2） 印度（2） 日本（2） 韩国（2） 世界知识产权组织（2）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01D（5）
IPC C01B032/19（5）
发明人
公开年 2021（3） 2020（2）
申请年 2020（5）
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

Face mask e.g. surgical mask, comprises mask component for covering wearers mouth and nose and comprising air-permeable outer layer, inner layer and graphene layer, and fastener for connecting mask component to wearer.

JANG B Z, ZHAMU A

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

Preparing hydrophobic graphene aerogel, comprises e.g. mixing graphene oxide, deionized water, organic solvent, and cross-linking agent, ultrasonically treating, mixing silane coupling agent solution and performing rapid annealing treatment.

QIN J, LI X, FENG F, TIAN L, SU M, GAO L, XIN Z

Graphene preparation system has graphene solution heated and dried by drying system to separate graphene from liquid solvent, drying system to adopt microwave for drying, and exhaust gas treatment system to process gas.

YU W