国家/地区 印度（2）
IPC部 B（2）
IPC大类
IPC小类
IPC
发明人 KUMAR N（2）
公开年 2021（2）
申请年 2020（2）
专利权人

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

Air-purification system for ultraviolet light-based air purifier, comprises one high efficiency particulate air filtration unit (HEPA) where HEPA filter bed extracts air from external atmosphere and performs a HEPA filtration.

SINGHAL A V, SHARMA A K, HAJELA K, SYED S A I, KUMAR N, SHARMA D, JAI S