国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D063/08（3）
发明人
公开年 2022（3）
申请年 2021（2） 
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

Graphene microporous filtering film for sample filtering treatment, has operation ring that is provided with two, two operation rings are diagonally distributed on upper end face of fixing ring.

YANG X, LUO G

Reverse osmosis membrane with good anti-oxidation effect comprises winding frame, where left side fixedly connected with outer surface of winding frame is limiting plate, right side of outer surface and right winding of limiting plate.

HU K