国家/地区 中国（26） 美国（3） 世界知识产权组织（3） 澳大利亚（2） 印度（2）
IPC部 B（29）
IPC大类 B01（29）
IPC小类 C02F（29）
IPC C02F001/28（18） B01J020/26（15） B01J020/30（14）
B01J020/28（9） C08F002/44（8） C08F220/06（8）
C08K003/04（7） C02F101/20（6） C08F212/36（6）
C02F001/44（5） C02F101/30（5） C08F220/56（5）
C08F222/38（5） B01D069/02（4） C02F101/36（4）
发明人 LIU Y（4） LI Z（3） WANG X（3）
CHENG L（2） GUO Z（2） HU X（2）
JAMISON D E（2） LI H（2） LUO M（2）
MENG M（2） MENG X（2） NI L（2）
PEARL W C（2） SHEN X（2） SHI H（2）
公开年 2021（12） 2022（5） 2020（3） 2014（2） 2015（2） 2017（2）
申请年 2020（7）  2021（7）  2017（3）  2022（3）  2014（2）  2018（2）  2019（2） 
专利权人 CHINA PETROL.（3） CHINA PETROL.（2） HALLIBURTON .（2） NINGBO POLYT.（2）
SINOPEC BEIJ.（2） UNIV JIANGSU（2）

Graphene oxide composite hydrogel used for adsorbing heavy metals, is made of graphene oxide, polyethylene glycol-containing hyperbranched polyester copolymer and poly(trans-4-carbonyl-4-(thiophene-2-yl)but-2-enoic acid).

XU C, HUA M, ZENG L

Method for preparing a salt-sensitive photothermal gel for use in distilling and removing salt in water, involves mixing a photothermal material, an aqueous solution of zwitterionic monomers, and N,N'-methylenebisacrylamide, adding potassium persulfate and 2,2,6,6-tetramethylpiperidine.

ZHANG S, ZHAO Q, ZHANG X, LI D

Preparing photothermal gel for use in seawater desalination or sewage treatment, and photothermal conversion evaporator, involves dispersing zwitterionic polymer monomer, cationic polymer monomer, crosslinking agent and photothermal nanoparticle in water to obtain precursor solution.

ZHU J, PENG B, ZHANG L

Ion exchange resin that is used for processing petrochemical wastewater, is prepared by performing phosphonylation reaction on graphene composite copolymerization white ball and condensing agent, and performing acidification.

SI W, SHI H, YU J, SHEN X

Core-shell particles used in the separation and recovery of carboxyl group-containing polymers, comprises core portion and a shell portion covering the core portion, core moiety comprises a polymer and nanoparticles dispersed in the polymer, shell portion contains a hydrophilic polymer.

YANG Z

Super-absorbent salt-resistant potassium ion-based polymer water-absorbent resin useful in fields of sewage treatment, agriculture, medical and health, flexible sensors or construction, comprises anionic monomer, cationic monomer, crosslinking agent, neutralizing agent, initiator and catalyst.

WANG L, LI Z, LIU S, GE Y, HU X

Preparing photocatalytic porous hydrogel comprises e.g. carrying out oil-in-water high internal phase emulsion polymerization of acrylamide and graphene oxide to polymerize, and then loading with nano-titanium dioxide.

JIANG Y, GUO Z

System used for treatment of slop water recovered from wellbore operation, comprises treatment unit comprising inlet, filtration medium comprising particulate pack partially coated with zwitterionic polyelectrolyte, and arranged to separate portions of slop water stream comprising water, and outlet.

JAMISON D E, SHUMWAY W W, PEARL W C

Fluid treatment system for treating fracturing fluid or drilling mud, has first filtration medium having first outlet that is provided on first side of first filtration medium, and second outlet that is provided on second side of first filtration medium to opposite first side.

JAMISON D E, SHUMWAY W W, PEARL W C

Preparation of composite material used for selective separation and enrichment of podophyllotoxin from water sample, involves adding podophyllotoxin as template molecule, graphene oxide, and modified hydroxypropyl cellulose to polymerization solvent, reacting, and washing away template molecule.

HU X, CHENG L, LI Q, LI X, ZHOU Z, LI H, SU X