国家/地区 中国（11） 美国（5） 世界知识产权组织（5） 韩国（4） 印度（2） 台湾（2）
IPC部 B（23）
IPC大类 B01（23）
IPC小类 B01D（23）
IPC C08K003/04（23）
发明人 LI Y（2） MADHAD H（2） MISHRA N（2）
VASAVA D（2） YANG J（2） ZHANG Y（2）
公开年 2021（23）
申请年 2020（10）  2021（8）  2019（5） 
专利权人 MADHAD H（2） MISHRA N（2） VASAVA D（2）

Preparation method of graphene-based sponge used for treating sewage, involves performing ultrasonic treatment on the mixture of the graphene oxide dispersion and polyurethane sponge, heating.

WU J, LI C, SONG S, HUO S, LI K, WANG Y

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

Composite material based on an organometallic framework comprises graphene and organometallic framework materials grown in situ on the surface of grapheme.

YAN W, LI Y, HAO J, QIAN Y, TAO Y, LUO Y, YANG J

Natural polymer-based atmospheric water collection material for adsorption and desorption of water vapor, is prepared using natural polymer and cross-linking to obtain hollow structure, where natural polymer is natural polymer material with polysaccharide main chain and hydrophilic side chains.

HE J, XU X

Increasing cellulose crystal size by providing mixture of solvent comprising ionic compound and composition comprising cellulose and coagulating mixture with composition comprising hydrogen peroxide and increasing cellulose crystal size.

VERRILL D, LOVE S, HU X, SALAS D L C D

Preparing self-repairing hydrophilic porous photothermal film useful in field of photothermal water evaporation, comprises mixing polyethylene glycol, polytetrahydrofuran and dicyclohexylmethane-4,4'-diisocyanate for polymerization reaction.

LI Y, XU F, SUN J

Preparing graphene-containing mixed film, comprises e.g. using strong oxidant to oxidize layered graphite powder to form layered graphene oxide with carbonyl, carboxyl and epoxy groups, and mixing Dimethylformamide and graphene oxide.

LIN C, LIU T, CHUANG Y, WEI H, HSU N

Preparing new-type mixed substrate gas separation membrane containing amino polyaryletherketone/graphene oxide composite material, comprises e.g. polymerizing bisphenol monomer, mixing with graphene oxide dispersion and paving into membrane.

WANG Z, YANG C, YU J

Graphene modified heat-conducting heat source floor heating pipe for heating room, has output floor heating pipe that is passed through conveying roller, and splicing rod which is driven by third motor to complete rewinding operation of floor heating pipe.

LIU J, WANG H, LI H

Demagnetizing and electromagnetic magnetic depolarizing information effect of electric and magnetic fields of air by presence of deployed metal grid inserted in air circulation by switching depolarized fields of structure in exchange on air.

JOSE B, PICCALUGA P, STEFFAN C