国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01D061/02（2）
发明人
公开年 2022（2）
申请年 2021（2）
专利权人

Mop cleaning bucket for rinsing and de-drying clean water by circulating and filtering sewage, has water column for drawing water from water purification area to clean mop cloth to form sewage that flows to water outlet through inclined surface.

WU C

Organic solvent nanofiltration membrane and/or organic solvent reverse osmosis membrane for nanofiltration of solvent, comprises composite mixed matrix material comprising solvent-resistant polymeric matrix with functional groups suitable for crosslinking, and inorganic material.

GAO Z, CHUNG T, NADERI A, WEI W, PAN G Z, TAIWIN C, WEIWAN, ZHONG T