国家/地区 印度（5）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01D（5）
IPC C02F001/28（3） B01D061/00（2） B01D067/00（2）
B01D069/12（2） C02F001/00（2） C02F001/44（2）
发明人
公开年 2021（4）
申请年 2020（5）
专利权人

Making polymeric metal carbon-based filter or adsorbent material by e.g. treating polyurethane foam with nitric acid, dissolving copper sulfate in deionized water, adding ammonia solution and dipping treated polyurethane foam in suspension.

SASIDHARAN V, CHAUHAN D, TALREJA N, ASHFAQ M

Preparing sericin doped graphene oxide membrane for forward osmosis by isolating graphene oxide flakes by centrifuging, collecting supernatant, pouring sericin solution on nylon support, pouring medium graphene oxide flake dispersion under vacuum pressure, heating, immersing in water and drying.

DEKA P, VERMA V K, SUBBIAH S, RAIDONGIA K, KEJRIWAL R

Water purification device used to remove water contaminants e.g. arsenic, pathogen, and bacteria, comprises housing comprising base, side walls and top wall, and first, second, third and fourth layers.

JINDAL H, SANDHU I S, CHITKARA M, PANDA S N

Lid for container, has flexible adapter that is configured to be connected to tap for receiving raw water and passing raw water into water purification unit by using water pressure in water supply line.

SHAH R

New super-wetting surface as polypropylene surface with micro-nano structure grafted with hydrophilic side groups.

QIAO J, WANG S, ZHANG X, QI G, SONG Z, CAI C, WANG X, LAI J, LI B, JIANG H, RU Y, ZHANG J, GAO J, ZHANG H, HAN P, JIANG C, GUO Z, GUICUN Q, ZHIHAI S, BINGHAI L, JIANMING G, ZHAOYAN G, SOONGHEO W, LIU Y, JIANG X