国家/地区 世界知识产权组织（7）
IPC部 B（7）
IPC大类 B01（7） C01（7） B82（2）
IPC小类 B01D（7）
IPC C01B032/192（7）
发明人
公开年 2016（3） 2021（2）
申请年 2015（2）  2020（2） 
专利权人

Vapor permeation device comprises graphene oxide membrane, which is configured to separate permeation stream comprising water from feed vapor stream comprising water and organic solvent.

LI K, LEE B

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

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

Process for preparing porous graphene-based film, involves separating reduced graphene oxide sheet having pore of different size is separated from sheet overlapping by different interlayer distance.

LIN H, JIA B

Composite material having a porous graphene-based foam matrix used to remove target species e.g. mercury from liquid or gas, comprises porous inorganic micro-particles and metal oxide nano-particles distributed throughout foam matrix.

LOSIC D, TRAN D, KABIRI S

Graphene membrane film used in system for purifying solvent, comprises several plate-shaped laminated graphene flakes containing physical bond or chemical bond for connecting pair of layers, and has preset thickness and oxygen content.

LEE S H, KIM S J, SEO D K, KIM Y H, GEONHUI L, LEE S, KIM S

Concentrating stabilized solution of graphene oxide having continuous phase, comprises adding absorbent material to solution, and absorbing portion of the phase with material to form solution having higher graphene oxide concentration.

MAJUMDER M, AKBARIVAKILABADI A