国家/地区 美国（16） 世界知识产权组织（16） 中国（12） 欧洲专利局（EPO）（12） 印度（12） 日本（10） 韩国（9） 澳大利亚（8） 加拿大（5） 墨西哥（3） 台湾（3） 巴西（2） 俄罗斯（2） 新加坡（2）
IPC部 B（26）
IPC大类 C01（26）
IPC小类 C01B（26）
IPC C01B032/23（26）
发明人 CHOUDHARY S K（2） DAS S（2） LOKHANDE C D（2）
MALAVEKAR D B（2） SHARMA K（2）
公开年 2021（6） 2014（4） 2015（4） 2016（4） 2020（3） 2017（2） 2022（2）
申请年 2013（4）  2014（4）  2016（4）  2019（4）  2021（3）  2015（2）  2022（2） 
专利权人 TATA STEEL L.（2）

Preparing reduced graphene oxide coated oxidized graphene framework (OGF) incorporated polymer foam useful for improving oil/water separation, comprises mixing OGF with polyol and polyisocyanate, and dip coating with graphene oxide solution.

YADAV D, SHUKLA S, SAXENA S

Synthesizing reduced graphene oxide (rGO)/dysprosium selenide film on solid substrate used in energy storage device, comprises immersing substrate in rGO aqueous solution, dysprosium nitrate and sodium selenosulfate to form film.

LOKHANDE C D, KHOT S D, NIKAM R P, BAGWADE P P, MALAVEKAR D B

Synthezing thermally reduced graphene oxide-gold-silicon oxide hybrid nanoparticles involves e.g. electrochemical exfoliation method using cylindrical graphite rod as cathode and anode, filtering slurry of exfoliation and sonicating mixture.

SINGH P K, SHARMA K, TIWARI A K

Battery with replaceable electrodes comprises a provision for making battery scalable to be used as either AA or AAA battery with the required voltage and current flow.

JOSHI R P, DHAMI H S, PANDEY A, KUMAR P, JOSHI B P, KUMAR V, SHARMA K, SHARMA V, SHARMA S, MEHTA V

Preparation of porous spherical graphene-coated silicon composite material used for forming negative electrode, involves ultrasonically-dispersing nanosilicon in graphene oxide aqueous dispersion, adding nitric acid solution, ultrasonically-mixing, hydrothermally-reacting, and calcining.

HE D, CHEN H

Synthesis of graphene used in e.g. energy transferring, involves reducing graphene oxide formed by oxidizing graphite using hydrogen peroxide, in which impact on formation of graphene or reduced graphene oxide is modified based on usage of hydrogen peroxide.

JEBASINGH B E, ARASU A V

Producing graphene doped with nitrogen and sulfur atoms (N,S- DDG) used for doping graphene oxide with nitrogen and sulfur, involves providing microorganisms of halobacteria class which are strictly anaerobic and sulfite-reducing.

IAKIMOV V

Synthesizing reduced graphene oxide from coal tar pitch involves heating the coal tar pitch in presence of air followed by cooling down allowing minimal interaction of the coal tar pitch with the air.

CHOUDHARY S K, DAS S, KULKARNI G U R, PUJAR R N

Synthesis of reduced graphene oxide-copper selenide film for electrochemical energy storage device by immersing substrate in aqueous mixture of copper compound and sodium selenosulfate to form the film on surface of substrate.

LOKHANDE C D, MALAVEKAR D B, BHOSALE V V, LOKHANDE V C

Silver/graphene oxide composite used for conductive material, comprises sheet-shaped silver/graphene oxide composite in which silver nanoparticles are intercalated between layers of graphene oxide.

NATSUKI J