国家/地区 印度（20）
IPC部 C（16） B（8） A（4）
H（4） G（2）
IPC大类 C01（8） B82（6） C09（6）
A61（4） H01（4） C08（3）
B05（2） C02（2） C25（2）
IPC小类 C01B（8） B82Y（5） C09D（4）
H01L（3） A61P（2） B05D（2）
C02F（2） C08L（2） C09K（2）
IPC B82Y040/00（4） C01B031/04（4） C01B032/23（3）
B05D007/00（2） C01B032/15（2） C09K011/65（2）
发明人 DAS S（20）
公开年 2018（4） 2023（4） 2017（3） 2022（3） 2021（2）
申请年 2017（3）  2019（3）  2023（3）  2014（2）  2016（2）  2021（2） 
专利权人 TATA STEEL L.（10） CENT NANO S.（4） COUNCIL SCI .（3）

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

Yellow luminescent graphene quantum dots as nanozymes for neuronal stress suppression, are fabricated from unburnt coal waste.

DAS S, MANDAL D, KUMAR P, MAL S, DAS T

Ultrasensitive electrochemical biosensor for detecting phenolic pollutants in samples, which is wastewater sample, comprises MopRABC regulator protein immobilized on graphene oxide based nanoplatform, where graphene oxide is coated on poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) layer.

DAS S, KUMAR L, SAHU S, GUPTA D, ANAND R

Violuric acid functionalized reduced graphene oxide based nanocomposite adsorbent for removing heavy metals, has size in specified range that helps in maximum removal of heavy metals like mercury, arsenic, and lead in desired contact time.

DAS S, RAJ S, DAS T, MAL S, KUMAR R, KUMAR P

Low-strain based, water repellent and highly sensitive human motion sensor useful in system, comprises a chemically reactive conductive ink and a chemically reactive paper.

BAG S, DAS A, SINGH R, DAS S, PAILY R P, MANNA U

New photocatalytic material comprising egg shell membrane based metal doped carbon quantum dots conjugated with graphene oxide used to remove dye from aquatic environment by degrading dye and in e.g. fluorescent mark, analysis and catalysis.

PAUL S, DAS S

Antibacterial and biofilm-resistant nanocomposite used as coating material, is ionic liquid-graphene oxide nanocomposite derived from graphene oxide, functional ionic liquid, and coating material for infection prone surfaces.

DAS S

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

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

Preparing nickel zinc ferrite graphene scaffold in radar and emi-shielding applications, involves dissolving nitrate precursors in desired molar ratio dissolved in minimum amount of distilled water, adding citric acid to nitrate precursor.

DAS S, BHATTACHARYYA R, BHATTACHARYYA S, MAITI P