国家/地区 中国（9） 印度（5） 美国（5） 世界知识产权组织（5）
IPC部 B（20）
IPC大类 C02（20）
IPC小类 C02F（20） B01D（16） E21B（3）
B01J（2） C08F（2） C08L（2）
IPC C02F001/00（20）
发明人 JAMISON D E（4） SHUMWAY W W（4） BI Y（2）
DU J（2） JINDAL H（2） LIU M（2）
LV H（2） PEARL W C（2） WEI S（2）
ZHANG K（2）
公开年 2021（20）
申请年 2020（8）  2019（6）  2021（6） 
专利权人 HALLIBURTON .（4） CHITKARA INN.（2） NUCLEAR IND .（2）

Graphene composite antibacterial purification material used for particulate matter, comprises graphene, lignin, coconut shell activated carbon, nano-titanium dioxide, methyl cellulose, talc powder and deionized water.

WU J, LI T, CHEN L, QUE M, SUN Y, SUN J

Method for efficiently decomposing hydrogen peroxide with graphene-coated cobalt catalyst under acidic conditions, involves mixing diaminomaleonitrile and cobalt salt, hydrothermally heating, drying precipitate, acid washing and drying.

LI Z, WU M, LV H, YU C, ZHANG T, YANG L, WU W, LYU H

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

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

System used for treatment of slop water recovered from wellbore operation, comprises treatment unit comprising inlet, filtration medium comprising particulate pack partially coated with zwitterionic polyelectrolyte, and arranged to separate portions of slop water stream comprising water, and outlet.

JAMISON D E, SHUMWAY W W, PEARL W C

Fluid treatment system for treating fracturing fluid or drilling mud, has first filtration medium having first outlet that is provided on first side of first filtration medium, and second outlet that is provided on second side of first filtration medium to opposite first side.

JAMISON D E, SHUMWAY W W, PEARL W C

Composite useful for catalyzing degradation of organophosphorus compounds, prepared by mixing copper oxide nanoparticles/three-dimensional nitrogen-doped graphene catalyst, organophosphorus compound and aqueous ammonia solution and hydrolyzing.

ZHANG J, LI Y, GUO S

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

Preparing a multifunctional load-type nano multilayer composite film for seawater desalination, sewage purification or oil-water separation, involves applying first mixed reaction system to the surface of the substrate.

ZHU L, ZENG Z, SONG H, WANG G

Composite filter element useful in filter for emergency water supply, comprises multiple closely-connected hollow cylindrical filter layers, which are ceramic layer, composite adsorption layer, protective layer and activated carbon layer.

ZHANG K, WEI S, LIU M, BI Y, DU J