国家/地区 印度（9）
IPC部 C（9）
IPC大类 C01（9）
IPC小类 C01B（9）
IPC C01B032/23（9）
发明人 CHOUDHARY S K（2） MADHAD H（2） MISHRA N（2）
VASAVA D（2）
公开年 2021（6） 2022（2）
申请年 2019（3）  2020（3）  2021（2） 
专利权人 MADHAD H（2） MISHRA N（2） TATA STEEL L.（2） VASAVA D（2）

Synthesis of graphene nanocomposite based additive for lubricants, by e.g. synthesizing graphene oxide by modified hummers method, doping graphene oxide with nitrogen element, and functionalizing nitrogen doped graphene.

KUMAR A, BHARDWAJ A, BARDIYA V

Additive used for depressing pour point of waxy crude oils, comprises ionic liquid comprising 1-chlorooctane and 1-methylimidazole and vinyl graphene oxide, where ionic liquid is polymerized with vinyl graphene oxide to form nano-composite poly(1-octyl-3-methyl imidazolium chloride)-graphene oxide.

SHARMA R, DEKA B, MAHTO V

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

Synthesizing graphene oxide flakes involves heating neat form of seedlac or its derivatives under inert atmosphere having gas flow rate to obtain functionalized graphite oxide, and heating functionalized graphite oxide.

CHOUDHARY S K, PRAMANIK C, KUMAR N, GHOSH S

Amine functionalized graphene reinforced coumarin based polyamide nanocomposite material used in mechanical industries, e.g. textiles contains polymeric matrix i.e. polyamide and graphite nanofiller i.e. amine functionalized graphene.

VASAVA D, MADHAD H, MISHRA N

Graphene oxide-modified heterocyclic polyamide nanocomposite material for e.g. energy device, comprises polymeric matrix comprising heterocyclic polyamide, and graphene oxide in which graphite nanofillers dispersed in polymer matrix.

VASAVA D, MADHAD H, MISHRA N

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

Producing nano-scaled graphene platelet, useful in thermoplastic polymer nanocomposite composition, comprises contacting graphite material with molecular/atomic oxygen to obtain precursor, and chemically or physically reducing the precursor.

FELISARI R, VALENTINO O, CASALINI A