国家/地区 世界知识产权组织（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D069/12（3）
发明人
公开年
申请年
专利权人

Porous polymeric membrane useful for removing impurities from liquid compositions e.g. alcohols and ammonium hydroxide comprises a polymer having mixed in it a carbonaceous material.

MIR A A, JABER J A, PATEL R B, BOUDREAU A, KALYANI V

Ion-selective conduction composite membrane for extraction of organic compounds from water to be treated comprises inner layer disposed between two outer layers.

MOTTET B, LABORIE B, KECHADI M, BRUNO M, BENOIT L, MOHAMMED K

Composite membrane comprises porous polyvinylidene fluoride, polytetrafluoroethylene or nitrocellulose membrane body and graphene oxide arranged on surface of membrane body.

WEN X, YOU Y, JIN X, BUSTAMANTE H, JOSHI R