国家/地区
IPC部 A（2）
IPC大类 A24（2）
IPC小类 A24D（2）
IPC B01J020/20（2）
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

Filter used for cigarette, comprises mouth piece, filtration column comprising graphere ceramic nano-composite material, front plug, back plug, cigarette holding section, and cylindrical pipe to fix cigarette.

SINGHAL A V

Graphene smoke adsorbent material useful as additive for reducing harmful components, preferably e.g. phenol, prepared by reducing graphene oxide with hydrazine hydrate, and adding grapheme smoke adsorbing material to cigarette filter tip.

HE P, YANG W, JIANG L, YANG C, WANG Y, SI X, LIU C, ZHANG F, LI Z, XIANG N, LIU Z