国家/地区 印度（3）
IPC部 B（2） C（2）
IPC大类 B01（2） C02（2）
IPC小类 C02F（2）
IPC C02F001/28（2）
发明人 KUMAR A（3）
公开年 2021（3）
申请年 2021（2） 
专利权人

Fabricating of oil/chemical/dye sorbent pad by holding and joining layers of polymer membranes on all sides, filling mixture of neutralizing agents and porous sorbent material at bottom of joined layers of polymer membranes and distributing mixture of neutralizing agents and porous sorbent material.

HAJELA K, KUMAR A, MAMMEN R G, SHARMA A K, SINGHAL A V

Four-columns water filter system has three filtering bed in each column, where three filtering bed comprises filter I or first filter bed-made-up of functionalized graphene, filter II or second filter bed-made-up of cotton supported bed.

GAUTAM S, KUMAR A, VASHISTHA V K, DAS D K, SHARMA K, PRAKASH S

System of ultrafast resistive type humidity sensor based on nanohybrids used for recording breathing pattern, comprises reduced graphene oxide and iron oxide which is alpha-ferrous oxide, beta-ferrous oxide or gamma-ferrous oxide.

KUMAR A, VARMA G D