国家/地区 中国（14） 世界知识产权组织（5） 美国（4） 印度（3） 欧洲专利局（EPO）（2）
IPC部 C（24） B（14） E（3）
G（3） H（3） A（2）
IPC大类 C02（24）
IPC小类 C02F（24） B01D（8） C01B（5）
B01J（4） B63B（2） C08F（2）
C08L（2） C12M（2） E21B（2）
G01N（2） H02J（2）
IPC C02F001/00（24）
发明人 JAMISON D E（2） LV H（2） NIU Y（2）
PEARL W C（2） SHUMWAY W W（2） TIAN D（2）
WANG T（2） YANG S（2） ZHANG D（2）
ZHAO M（2） ZHENG Y（2）
公开年 2021（13） 2020（8） 2022（3）
申请年 2020（24）
专利权人 ANYANG INST .（2） HALLIBURTON .（2）

Processing of graphene waste liquid involves adding organic solvent to graphene waste liquid comprising manganese ions, potassium ions and sulfate ions, leaving still to generate white precipitate, and filtering to obtain clear filtrate.

ZHENG T, ZHANG M, MAO O, YE Z, ZHANG Y, ZUO B

Waste water treatment agent useful for removing pollutants in wastewater, comprises e.g. modified bentonite, silicon dioxide adsorbent, a flocculating agent, microbial bacteria, amino trimethylene phosphonic acid and polyaspartic acid.

YANG L

Preparing a graphene coated sponge comprises filling mineral wool with a solution comprising graphene material, submitting graphene material to heating to have graphene material bonded to mineral wool and cleaning the heated material.

RADJENOVIC J, BAPTISTA PIRES L M, NORRA G, DUINSLAEGER N

Nano-patterning graphene used in respiratory masks, by cleaning monolayer of graphene sheet, transferring graphene on silicon dioxide/silicon substrate, depositing metal film of silver or gold on substrate, annealing silver or gold nanoparticles and performing aqua-regia treatment.

KUMAR B

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

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

Sintered nanoparticle compound useful for sterilizing or treating water, comprises zeolite, silver nitrate, a silver dioxide nanoparticle, and graphene in which the zeolite is a core element impregnated with the silver nitrate and the silver dioxide nanoparticle.

SILVEIRA G R

Preparing sewage filtering material by mixing quartz sand, anthracite particles, graphene, limestone, sieving powder, sodium allyl sulfonate, distearoyl diethylene triamine, and titanium oxide, granulating and layering on fabric.

SUN H, GAO Y, SI Y, SHEN F