国家/地区 中国（2） 世界知识产权组织（2）
IPC部 A（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC A41D013/11（2） B01D039/14（2） B32B005/02（2）
发明人
公开年 2022（4）
申请年 2021（4）
专利权人

Mask for use in respiratory protection for various diseases, has mask body that covers user's mouth and nose when worn by user, and wearing strap that is connected to both sides of mask body.

PARK S A

Glass fiber air filter material used for purifying air in automobiles, comprises modified nonwoven fabric and glass material fiber from bottom to top, formed into composite by hot-pressing.

ZHANG Z, JIA G, YANG P

Sanitizing device used to purify and sanitize air of spaces from germs or microorganisms, comprises micro-perforated film provided on first side with adhesive layer and on second side with photocatalytic layer based on titanium dioxide.

ZAT F, ALLEGRANZI C, VERDI M, TOMASELLA L

Air filter cloth for air purifying device for filtering and purifying micro-particles in air, has adsorption layer composed of transverse first aramid filament and longitudinal second filament knitted with each other.

CAO W