国家/地区 印度（24）
IPC部 C（18） B（13） H（8）
A（3）
IPC大类 C01（11） B82（10） H01（7）
C08（5） A61（3） C09（3）
C23（3） B01（2） B05（2）
C04（2） C25（2）
IPC小类 C01B（11） B82Y（9） H01M（4）
C23C（3） H01L（3） A61M（2）
B01D（2） B05D（2） C04B（2）
C08K（2） C08L（2） C09D（2）
H01B（2）
IPC B82Y040/00（8） C01B032/182（4） C01B032/23（4）
B82Y030/00（3） C01B032/184（3） A61M001/16（2）
B05D007/00（2） C01B031/04（2） C01B032/15（2）
H01B001/04（2） H01M004/133（2）
发明人 CHOUDHARY S K（13） DAS S（10） DASH P S（4）
KULKARNI G U R（4） ROUT T K（4） BHADU M K（3）
GHORAI S（3） PRAMANIK C（3） PUJAR R N（3）
ROY I（3） SAHU R K（3） SINGHBABU Y N（3）
CHATTOPADHYAY D（2） GUIN A K（2） KUMAR N（2）
公开年 2021（6） 2020（4） 2018（3） 2016（2） 2017（2） 2019（2） 2022（2）
申请年 2019（6）  2021（4）  2015（3）  2018（3）  2013（2）  2014（2）  2017（2） 
专利权人 TATA STEEL LTD（24）

Nanofiber used for article e.g. absorbent material, drug delivery system, wound healing bandages, face mask and filtration membrane e.g. air filtration membrane and water filtration membrane, comprises shellac and graphene.

DAS S, SHEIKH L, KUMAR N, GUPTA M, CHOUDHARY S K, PRAMANIK C

Battery for preparing interlayer from coal tar pitch, comprises cathode and anode, which are provided on opposite sides of separator, are soaked with electrolyte and electrolyte-permeable microporous interlayer provided between separator and cathode.

PATHAK A D, SARODE K K, RANI P, SHARMA C S, SRIRAMOJU S K, DASH P S

Membrane used in device for separating solute from solution and/or purifying water, comprises patterned binder and graphene oxide film, and filter paper supporting graphene oxide film.

YADAV V, SAKORIKAR T, GANAPATHI K L, RAMAPRABHU S, JAISWAL M

Method for producing electrical energy, involves reacting reduced graphene oxide (rGO) with oxygen in presence of ambient energy, rGO is impregnated with alkali.

SARKAR S, SAMANTA A, BHATTACHARJEE D

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

Graphene sheet preparing method, involves concentration of continuous galvanizing line dross in mixture in specified range, and mixing mixture of graphene oxide and continuous galvanizing line top dross molar sulphuric acid solution.

BHADU M K, CHOUDHARY S K, GUIN A K, ROUT T K, SHARMA A

Improved method for preparation of graphene oxide from natural graphite in modified dual drive planetary ball mill, involves peeling or de-laminating graphite powder / flake occurred during milling process inside dual drive high energy planetary ball mill.

ROUT T K, DAS S, SAHU A K, DASH P, BISWAL S K, MISRA B K

Refractory material for steel making steel ladle application area, comprises reduced graphene oxide, flaky graphite, aluminum metal powder, silicon metal powder, liquid resol resin, and boron carbide.

GHOSH G, BISWAS S, CHOUDHARY S K, PAL A R, DEBASISH S, SARATH C K, SARKAR D, CHANDRA S K

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

Method for patterning of graphene on substrate, involves coating photoresist on graphene layer and depositing metal layer on graphene layer, and stripping photoresist by removing graphene layer from metal deposited sections.

RAGUL S, RAY D, DUTTA S