国家/地区 中国（50）
IPC部 C（50）
IPC大类 C08（50） C09（17） B01（9）
H01（6） C04（4） A61（3）
C01（3） C07（3） C02（2）
IPC小类 C08F（50）
IPC C08F212/14（50）
发明人 HE W（7） YANG W（7） LI Y（5）
YU F（5） LIU Y（4） JIN M（3）
WANG S（3） WANG Y（3） XU J（3）
CHEN X（2） DUAN P（2） FAN Y（2）
FU X（2） GAO C（2） HATAKEYAMA J（2）
公开年 2022（10） 2021（9） 2020（8） 2017（6） 2018（5） 2023（5） 2015（4） 2019（2）
申请年 2021（12）  2017（8）  2018（8）  2022（8）  2020（5）  2014（3）  2019（3）  2013（2） 
专利权人 CHINA PETROL.（8） SINOPEC SHAN.（6） SHANGHAI PET.（3） ENDECODY PIG.（2）
GUANGDONG KE.（2） HUNAN XIANFE.（2） SHINETSU CHE.（2） SINOPEC CORP（2）
SINOPEC RES .（2） UNIV SOUTHWE.（2） UNIV TIANJIN（2） WUHAN INST T.（2）

Raw material composition useful in preparing fluid loss control agent for drilling fluid, comprises e.g. prop-2-enamide, prop-2-enamidomethanesulfonic acid compound, bis(prop-2-en-yl)amine chloride compound, sodium 4-ethenylbenzene-1-sulfonate compound and modified graphene oxide.

LAN Q, ZHAO H, YAN B, LI X, WANG X, WANG B, LI Q

Bisphenol A synthetic composite resin catalyst comprises styrene based monomer, cross-linking agent, nanomaterials, and mercaptoalkyl quaternary ammonium salt containing N,N-trimethyl-3-mercaptopropyl quaternary ammonium salt.

FENG F, LIU S, TONG Z, CHEN X, ZHANG Y

Graphene layer complex used in the field of oil and gas well cementing, comprises graphene oxide and polymer grafted on the graphene oxide, and the polymer comprises a structural unit derived from 2-acrylamide-2-methylpropanesulfonic acid and a structural unit derived from the second monomer.

LIU J, MIAO X, WEI H, ZHOU S, WANG M

High-temperature and salt-resistant fluid loss reducer used for preparing high-density saturated brine drilling fluid, obtained by polymerization of acrylamidomethylpropanesulfonic acid, sodium p-styrenesulfonate, N-vinylpyrrolidone and dimethyl diallyl ammonium chloride.

CHEN X, LUO P, HU C, BAI Y

Graphene conductive polymer composite material is prepared by dissolving modified polystyrene in N,N-dimethylformamide, adjusting pH value to be alkaline, adding modified graphene under stirring, and removing filtrate by filtration.

LU C, WEI G

Graphene composite material based on 4-aminostyrene modification, by adding graphene oxide to flask, adding toluene, performing ultrasonic treatment, followed by dripping 4-aminostyrene, washing, drying, vacuumizing, reacting, drying in vacuum drying oven and performing quaternization treatment.

LU C, GAO C, MAO X

Water-soluble fracturing temporary plugging agent comprises quaternary copolymerization temporary plugging agent i.e. sodium 4-ethylbenzenesulfonate compound and graphene oxide modified starch carrier prepared by mixing graphene oxide, starch and metal salt, adding water, stirring and reacting.

LIU X, HOU H, WANG Y, DONG F, LIU H, GUO Y

New N-benzylideneaniline based conductive carbon material dispersant comprising N-benzylideneaniline based first repeating unit, and vinyl group second repeating unit, useful for dispersing conductive carbon materials including graphite, carbon nanotubes, and graphene with excellent effect.

PENG M, WANG S

Preparing superfine color masterbatch pre-dispersion useful for non-woven fabrics, comprises mixing nano-scale color pigments, multifunctional polymer pigment dispersants, thickeners and auxiliary agents, and treating with supercritical carbon dioxide.

NI J

Bio-electrode composition used for detecting heart rate by electric signal transmitted from skin, comprises reaction composite, monomer with ionic functional group, salts of ammonium, lithium, sodium, potassium, and silver.

HATAKEYAMA J