国家/地区 中国（9） 日本（3） 美国（3） 印度（2） 世界知识产权组织（2）
IPC部 A（12）
IPC大类 B01（12）
IPC小类 B01D（12）
IPC C02F001/28（12）
发明人 WANG Y（2） ZHOU Y（2）
公开年 2021（4） 2016（3） 2018（3） 2019（2）
申请年 2016（3）  2017（3）  2020（2）  2021（2） 
专利权人

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

Face mask e.g. surgical face mask, comprises mask component to cover wearer's mouth and nose, and fastener engaging with mask component comprising air-permeable outer layer, inner layer located on inner side of mask component, and graphene layer, where fastener connects mask component to wearer.

ZHAMU A, JANG B Z, ZHANG B

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

Whole blood perfusion adsorbent e.g. useful in plasma perfusion and gas purification field, comprises e.g. large-size nanofiber porous network microsphere compounded with natural polymer nanofiber, inorganic and organic functional filler.

WU S, YE Q, CHEN B, WANG W, ZHONG Z, WANG Y

Preparing quaternary ammonium salt group-containing graphene oxide material used as adsorbent to remove pollutants from water bodies, involves grafting tertiary amine groups on graphene oxide and dissolving graphene oxide in solvent.

ZHAO F, LIU H, WANG L, ZHOU Y, GENG C, NIU H, JIANG J, WANG Y

Sponge for oil-water separation is prepared by reacting polyol blend with polyisocyanate and graphene, in the presence of catalyst, foaming agent, and foam stabilizer in which polyol blend contains e.g., polyol components and glycerol.

LIU Y, CHEN S

Antibacterial reduced graphene oxide modified polypropylene melt blown water purification filter comprises polypropylene, silane-modified reduced graphene oxide and activated carbon.

SHA Y, SHA X

Graphene biological sponge useful in water treatment comprises polyether polyol, grafted polyether, A-1 catalyst, A-33 catalyst, silicone oil, graphite, diatomite, butyltin octoate and toluene diisocyanate.

KIM E, WEI H, KIM J, JIANG H, ZHANG H

Preparing multifunctional graphene oxide-chitosan composite sponge useful in oil-water separation comprises e.g. preparing graphene oxide nano sheets by Hummer method and mixing the graphene oxide solution to prepare chitosan solution.

GONG X, JIANG Y, TIAN M

Removing urea from biological fluids, comprises e.g. contacting fluid comprising urea with mass of graphene-based material particles, and sorbing portion of urea into or onto graphene-based material particles.

NATAN M J, KYRLIDIS A