国家/地区 世界知识产权组织（20）
IPC部 B（20）
IPC大类 B01（20） C01（14） C08（8）
C02（6） C09（5） A41（2）
B32（2） C23（2） D06（2）
E21（2）
IPC小类 B01D（20）
IPC B01D071/02（8） B01D067/00（6） B01D069/02（6）
C01B032/198（5） C02F001/44（5） C01B032/194（4）
B01D021/26（3） B01D061/02（3） B01D069/00（3）
B01D069/12（3） C01B032/184（3） C08K003/04（3）
B01D021/00（2） B01D035/02（2） B01D039/14（2）
发明人 JAMISON D E（2） PEARL W C（2） SHUMWAY W W（2）
公开年 2021（20）
申请年 2020（20）
专利权人 HALLIBURTON .（2）

Preparing graphene based on mixed inorganic acid solvent by e.g. pre-treating raw material graphite powder, preparing mixed inorganic acid solvent, performing graphene peeling treatment, and extracting graphene product from graphene mixture.

QIAN X, MA C

Graphene derivate composite for filtration unit has graphene nanoball structure with corrugated surface deposited with silver or silver oxide nanoparticles blended with granular activated carbon powder, forming electron-hole puddles.

ALKAMIYANI S, MOHIUDDIN T

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

Preparing gas selective separation filter involves providing graphene membrane on sacrificial support layer, subjecting graphene membrane to transient pressurized ozone gas pulse, purging ozone, and cooling down ozone treated graphene membrane.

AGRAWAL K V, HUANG S, HSU K, AGRAWAL K, HWANG S, HUSH K, XU G

Electric field polarized gas adsorption system comprises first- and second gas container port are gas input of gas container, or output port, or input/output port and conductor shielding shell is external electromagnetic shielding shell.

GU S, GU H

Extracting lithium from aqueous lithium source, comprises removing dissolved calcium ions and/or dissolved magnesium ions by nanofiltration, removing water by reverse osmosis, and electrochemically extracting dissolved lithium ions.

ALYOUSEF Y M, ALRASHEED R, AL JILIL S, HIPPAUF F, ABENDROTH T, ALTHUES H, KASKEL S

Apparatus for producing alkaline electrolyte solution, comprises e.g. a filtration process unit for filtering raw water, and deion processing unit provided with strongly basic anion exchange resin tower for generating strong alkaline water.

LEE G B

Demagnetizing and electromagnetic magnetic depolarizing information effect of electric and magnetic fields of air by presence of deployed metal grid inserted in air circulation by switching depolarized fields of structure in exchange on air.

JOSE B, PICCALUGA P, STEFFAN C

Sample pad used for performing lateral flow immunoassay for detecting analyte comprising medicament or medicament residue e.g. diclofenac in body fluid e.g. breast milk, comprises two inert filter layers and graphene oxide layer.

RAYSYAN A, SCHNEIDER R J