国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B01D046/00（4）
发明人
公开年 2021（3）
申请年 2020（4）
专利权人

Polytetrafluoroethylene composite filter material useful for air purification by filtering bacteria and virus aerosol, comprises supporting layer and polytetrafluoroethylene microporous film layer.

XIAO P, XIAO Z, CAI C, TANG Y, LI H, SU J, XIAOPING, WEIGHT X, TSAI C, AN X J

Multilayer filtering nonwoven fabric comprises non-woven fabric surface layer, nonwoven fabric base layer, edge sealing layer and reinforcing supporting grid sheet, where periphery of non-woven fabric surface layer is provided with edge sealing layer.

ZHANG Z

Seamless cylindrical filter bag is consists of first non-woven fabric, cylindrical cloth, second non-woven fabric and polytetrafluoroethylene microporous membrane are compounded.

GU K, YANG Z, GONG Z, CAO Q, WU J, WANG H, GU Y, WANG Z, ZHANG J

Sterilizing anti-bacterial graphene filter core for vehicle-mounted air conditioner, has support whose outer end is fixed with air outlet end, where gap is formed between filter sleeves connected with air outlet end and air outlet passage.

LI L, LIU T, LU G, REN X, HAN W