国家/地区 台湾（3）
IPC部 B（3）
IPC大类 B32（3） C08（3）
IPC小类 B32B（3）
IPC B32B005/02（3）
发明人
公开年 2021（3）
申请年 2021（3）
专利权人

Filter used in device e.g. mask, breathing apparatus and face covering, vent cover and heating, ventilation, has polyurethane-based polymer foam comprising virucidal/bactericidal agent having cetylpyridinium chloride and/or dimethyloctadecyl(3-(trimethyloxysilyl)propyl)ammonium chloride.

RAMAPPA D A, JOGIKALMATH G

Resin composition used to form dielectric substrate layer and prepreg used to form printed circuit board, comprises polymeric based material and fillers comprising hollow fillers comprising hollow filler, and material of hollow filler is silicon dioxide.

CHANG C, WU Y, ZHANG C

Injection-molded multilayer flame retardant fire-retardant structure comprises support layer composed of porous fiber fabric, and two flame- retardant layers each composed of thermoplastic flame- retardant polymer materials.

CHEN M, CHEN H S