国家/地区 中国（9） 美国（4） 韩国（3） 世界知识产权组织（3）
IPC部 B（13） C（5） A（2）
E（2）
IPC大类 B01（13） B32（3） C08（3）
C02（2） E21（2）
IPC小类 B01D（13）
IPC B01D039/14（13）
发明人 JAMISON D E（2） LIU S（2） PEARL W C（2）
SHUMWAY W W（2） WANG Q（2）
公开年 2021（13）
申请年 2020（6）  2021（6） 
专利权人 GUANGZHOU KA.（2） HALLIBURTON .（2）

Antistatic filter material useful in tangential flow compressed air filter device, comprises antistatic polymer, polytetrafluoroethylene resin, and graphene.

FAN Y, LI J

Air filtering grid for vehicle for military and civilian application, has filter core provided with multiple continuous V-shaped filter core units that are provided with filter sheet, and graphene melt-blown cloth coated on outer surface of filter sheet.

LIANG X

Preparing virus-killing bone material, H11-level spraying cloth and graphene nonwoven fabric material comprises e.g. preparing anti-influenza virus H1N1 nonwoven fabric bone material, performing electrostatic spinning, preparing graphene nonwoven fabric and fixing ultrasonic wave hot melt adhesive.

LIU S, MA L, WANG Q

Method for preparing photothermal regeneration mask core layer material, involves coating nano-carbon slurry on surface of non-woven fabric or woven fabric, coating porous material slurry on non-woven fabric or woven fabric, and obtaining photothermal regeneration mask core layer material.

LIU Y, LU Y, YANG X

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

Polytetrafluoroethylene composite filter material useful for air purification by filtering bacteria and virus aerosol, comprises supporting layer and polytetrafluoroethylene microporous film layer.

XIAO P, XIAO Z, CAI C, TANG Y, LI H, SU J, XIAOPING, WEIGHT X, TSAI C, AN X J

Preparing graphene composite sound insulation filter cotton used in sound insulation field and air filtering field, involves selecting various raw material in proportion to obtain graphene composite polypropylene hollow staple fiber.

WANG Q, LIU S

Filter using graphene and polymer, has tri-layer that is formed by laminating polymer in which graphene is dispersed and oxidized or reduced graphene is cross-repeated n times on coated polymer.

HOON S, SON Y H, LEE S

Preparing sandwich graphene aerogel-based catalyst filter material involves adsorbing chlorine-doped graphene oxide aerogel on surface of polyphenylene sulfide filter material, and growing binary catalyst on middle layer.

ZHENG Y, ZHENG W