国家/地区 美国（4）
IPC部 A（4）
IPC大类 B01（4）
IPC小类 B01J（4） A61L（3） A24D（2）
B01D（2）
IPC B01J020/30（4）
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

Making graphene-biopolymer composite material used e.g. in composition for making article, comprises contacting ionic liquid with biopolymer and graphene, contacting obtained mixture with non-solvent, and collecting obtained material.

ROGERS R D, ZAVGORODNYA O, SHAMSHINA J L, GURAU G

Manufacture of reduced graphene oxide-containing hydrogel used in e.g. absorber, involves gelling hydrogel precursor in hydrogel precursor-graphene oxide mixture, obtaining graphene oxide-containing hydrogel and reducing graphene oxide.

LEE J Y, KIM S, JO H, CAO H, LEE J

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