国家/地区 中国（5） 美国（3） 世界知识产权组织（3） 英国（2） 日本（2） 台湾（2）
IPC部 A（9）
IPC大类 B01（9）
IPC小类 B01D（9）
IPC C08K003/04（9）
发明人 CHEN S（2）
公开年 2021（4） 2018（2）
申请年 2020（3）  2017（2） 
专利权人

Face mask for use as personal protective equipment, comprises layer comprising surface-functionalized graphene particles having specified sulfur impurity level, manganese level, and/or nitrogen oxide level.

PROMNIMIT A

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

Ink useful for providing viral active or anti-microbial coating to substrate, comprises carrier, graphene or graphene oxide particles dispersed in carrier, and viral active or anti-microbial component adhered to graphene.

CHEN S W, DEVINE S, CHEN S, SANDWINTHROP C

Graphene polypropylene composite material for melt-blown cloth, comprises graphene material, electret material, hydrocarbon material which is liquid at normal temperature and polypropylene.

PAN D, XIE Z, ZHANG Y, ZHANG H

Graphene acrylate nanocomposite emulsion, comprises graphene, fluorine-free acrylic polymer emulsion, adsorbent, lipophilic nanoparticles, microcapsule containing oleophilic bacteria, coupling agent and solvent.

HU J

Sponge for oil-water separation is prepared by reacting polyol blend with polyisocyanate and graphene, in the presence of catalyst, foaming agent, and foam stabilizer in which polyol blend contains e.g., polyol components and glycerol.

LIU Y, CHEN S

Preparing hyperbranched polymer-modified graphene oxide in aqueous phase used in fields of separation membranes, involves sonicating graphene oxide powder to be uniformly disperse in aqueous phase to prepare stable graphene oxide dispersion.

JI S, WANG L, WANG N, AN Q, YANG H, LI Q

Preparing multifunctional graphene oxide-chitosan composite sponge useful in oil-water separation comprises e.g. preparing graphene oxide nano sheets by Hummer method and mixing the graphene oxide solution to prepare chitosan solution.

GONG X, JIANG Y, TIAN M

Composite film doped with graphene oxide quantum dot useful in water separation, adsorption filtration, medical dressings and other biomedical fields, comprises chitosan, sodium alginate, and graphene oxide quantum dots.

LI J, WANG S, ZHANG D, ZHANG Q, NI X