国家/地区 美国（2）
IPC部 A（2）
IPC大类 A24（2） B01（2）
IPC小类 A24D（2）
IPC A24D003/04（2）
发明人
公开年
申请年
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

Graphite filter tipped cigarette comprises a filter with fibers segment and tobacco where a graphene adsorption section has wrapping paper composition and is coated with graphene, which is chemically bonded to filter fibers.

WANG G, TANG Y, ZHANG J, ZHANG A, LIU D