国家/地区 世界知识产权组织（7）
IPC部 A（7）
IPC大类 B01（7）
IPC小类 C08K（7）
IPC C08K003/04（7） B01J020/20（3） A41D013/11（2）
A62B023/00（2） A62B023/02（2） B01D039/16（2）
B01D046/00（2） B82B003/00（2） C01B032/194（2）
C08K003/34（2） C08K009/04（2） C09D007/62（2）
C09D201/00（2）
发明人
公开年 2021（4）
申请年 2021（3） 
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

Polymer matrix based superabsorbent material for e.g., water reservoir in agriculture, is made of polymer comprising nanoparticles, water-soluble monomers for radical polymerization, and vinyl alkoxysilane derivative agent as crosslinker.

SEVEN M S, MENCELOGLU Y, RODOP O, MENCELOGLU Y Z

Dispersion useful for manufacturing additive for encapsulating electronic components, comprises portion of cross-linkable moiety, and oxidized discrete carbon nanotubes with bonded dispersing agent.

IVANOVA O, LOWDER S, SWOGGER K W, BOSNYAK C P

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

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

Carbon nanotube powder, useful e.g. as additives for rubber and ceramics and as conductive additives in electrodes and solar cells, comprises carbon nanotubes, which consist of graphite layers that are made of graphene layers.

BRAMERWEGER E, BUCHHOLZ S, HOCKE H, MEYER H, MLECZKO L, RUDOLF R, SCHMID M, VOETZ M, WEBER R, WOLF A, BEURAMEOBEGEO E, BUHIHOLCHEU J, HOKE H, MEULREKCHEUKO R, POECHEU M, RUDOLPH R, SCHMIDT M, MAYER H, WERTS M, MERWEGER E, SHMID M, HOKKE H, BRAMER V E, FYOTC M, BUHHOLC Z, BRAMER W E, SCHMITT M