国家/地区 中国（6） 世界知识产权组织（2）
IPC部 B（8）
IPC大类 B01（8）
IPC小类 B01D（8）
IPC B01D039/08（8）
发明人 CESAREO G G（2） RIZZI L G（2）
公开年 2021（5） 2022（3）
申请年 2021（8）
专利权人 DIRECTA PLUS.（2）

Filter element useful for manufacturing air conditioning units for a motor vehicle, comprises a textile substrate comprising woven fabric and nonwoven fabric, and a composition comprising graphene.

RIZZI L G, CESAREO G G

Processing polytetrafluoroethylene emulsion modified complex filter material useful in e.g. filter device comprises e.g. using glass fiber, polyphenylsulfone terephthalamide fiber and polyimide fiber, carding, complexing dust-facing surface with microfiber layer, drying, singeing and baking.

WANG D, SHI Z

Antibacterial antiviral melt-blown cloth used as core material of mask, comprises base layer, where upper end face of base layer is provided with first filter layer, and lower end face is provided second filter layer.

FENG D, PENG H, LI B

Preparing modified polylactic acid non-woven fabric involves mixing modified nanocellulose and lactic acid in water to obtain mixed dispersion, where modified nanocellulose has sulfonic acid group and hydroxyl group.

YANG C, XU J, HAO S, HE Y, TIAN J

Increasing an electrical and/or thermal conductivity, as well as filtering power and germ-blocking properties of textile article by preparing impregnation composition consisting of graphene, polymeric binder and wetting agent, and stirring.

CESAREO G G, RIZZI L G

Preparing a graphene oxide antibacterial modified high-strength melt blown non-woven filter cloth comprises e.g. adding 4,4' methylenebis(phenyl isocyanate) and 2-Amino-4-hydroxy-6-methylpyrimidine into a three-necked flask and heating.

LV L, XUE D, YANG X

Multilayer meltblown nonwoven fabric is composed of upper layer of meltblown nonwoven fabric, intermediate layer of meltblown nonwoven fabric, and lower layer of meltblown nonwoven fabric.

LI S, WU S, HUANG Y, TAN Y, FENG Z, LI X, XIE Z

Mask structure containing graphene meltblown nonwoven fabric, has graphene melt-blown non-woven layer that is interlaced with graphene piece and polypropylene resin piece.

WANG G S