国家/地区 中国（24） 美国（13） 世界知识产权组织（10） 欧洲专利局（EPO）（9） 日本（8） 韩国（7） 印度（6） 巴西（3） 加拿大（3） 新加坡（3） 澳大利亚（2） 英国（2） 香港（2） 墨西哥（2） 俄罗斯（2）
IPC部 B（30） C（30） H（8）
E（3） F（2）
IPC大类 B82（30）
IPC小类 B82Y（30）
IPC C08K009/04（30）
发明人 ALMOHSIN A（2） ALSHARAEH E（2） IFTIME G（2）
JUNHUA W（2） KRISHNAN M R（2） LI R（2）
PANDEY R（2） WEI J（2） YU Y（2）
公开年 2021（6） 2022（6） 2015（5） 2020（5） 2016（2）
申请年 2015（5）  2020（5）  2021（5）  2014（4）  2019（3）  2022（3）  2011（2）  2018（2） 
专利权人 HARBIN INST .（2） PALO ALTO RE.（2） SAUDI ARABIA.（2） UNIV ALFAISA.（2）
UNIV JIANGNA.（2）

Preparing polymer-sand nanocomposite lost circulation material for forming barrier to overcome lost circulation in hydrocarbon wellbore, involves combining cross-linker solution and sand particles; combining hydrogel polymer, organic cross-linker and salt; and combining polymer hydrogel.

KRISHNAN M R, ALSHARAEH E, ALMOHSIN A

Matter composition comprises epoxy functionalized two-dimensional shaped particles comprising functionalized graphene, clays, and alumina platelets, carbon nanotubes, epoxy resin, and curing agent comprising ionic liquid, and 1-ethyl-3-methylimidazolium dicyanamide.

KALB J, IFTIME G, WEI J, PANDEY R, RAHULPANDY, JUNHUA W, JAMIKALB

Preparing nanoparticle capable of continuously tuning physical property used for preparing composite material, involves mixing graphene oxide and barium titanate nanoparticles with deionized water, dispersing ultrasonically to obtain dispersion, placing dispersion liquid in atomization cup.

ZHEN L, YU Y, LI Y, SHAO W

Preparing phosphorylated carbon nanotube and phosphorylated graphene oxide synergistically modified polymer hybrid proton exchange membrane by mixing carboxylated carbon nano-tube and graphene oxide with dopamine hydrochloride buffer solution and passing film material via hydrogen peroxide solution.

LI G, RAO Z, LIU H

Aligning carbon nanotubes and reduced graphene oxide as three dimensional lamellar structure using magnetic field by dispersing carbon nanotubes in non solvent liquid media using sonication, applying magnetic field to carbon nanotubes, and drying out non solvent liquid media.

PRIYANKA P, RAJESH S, VIDHYA B, SAKUNTHALA A, KUMAR N R

Forming a barrier to overcome lost circulation in a subterranean formation involves injecting a polymer-sand nanocomposite into one or more lost circulation zones in the subterranean formation, and polymer-sand nanocomposite comprising sand mixed with a polymer hydrogel.

KRISHNAN M R, ALSHARAEH E, ALMOHSIN A

Preparation of polyvinyl alcohol-modified graphene oxide nanocomposite aqueous dispersion used e.g. for food fields comprises modifying graphene oxide with sulfamate and adding polyvinyl alcohol.

DONG W, WANG W, BAI H, GUO J, XU Z, ZHANG S

Preparing graphene toughened epoxy resin nanocomposite comprises immersing graphene in concentrated nitric acid and concentrated sulfuric acid, taking bisphenol A epoxy prepolymer and placing in flask, heating, solidifying, and discharging.

GAO J, LI R, HUANG T

Preparing carbon black nano material, by mixing silane coupling agent, alcohol, modified montmorillonite and polyol, adding nano-scale carrier, dispersant, antioxidant and antibacterial agent, mixing, reacting, embedding carrier, and drying.

LU J, GU J

Reinforced biodegradable polymer nanocomposite for synthetic barrier film comprises polymer matrix and functionalized graphene nanoplatelets or graphene-like material having sheets that are functionalized with functional groups at the edges.

JULIUSSEN G, BROUGHTON S