国家/地区 世界知识产权组织（13）
IPC部 B（13）
IPC大类 B01（13）
IPC小类 B01D（13）
IPC B01D071/02（6） B01D069/02（5） C08K003/04（5）
B01D067/00（4） C02F001/44（4） C01B032/194（3）
A41D013/11（2） A62B023/00（2） A62B023/02（2）
B01D021/00（2） B01D021/26（2） B01D035/02（2）
B01D039/14（2） B01D039/16（2） B01D046/00（2）
发明人 JAMISON D E（2） LIU Y（2） PEARL W C（2）
SHUMWAY W W（2） SONG Z（2）
公开年 2021（13）
申请年 2020（8）  2021（3）  2019（2） 
专利权人 HALLIBURTON .（2）

Increasing an electrical and/or thermal conductivity, as well as filtering power and germ-blocking properties of textile article by preparing impregnation composition consisting of graphene, polymeric binder and wetting agent, and stirring.

CESAREO G G, RIZZI L G

Filter used in device e.g. mask, breathing apparatus and face covering, vent cover and heating, ventilation, has polyurethane-based polymer foam comprising virucidal/bactericidal agent having cetylpyridinium chloride and/or dimethyloctadecyl(3-(trimethyloxysilyl)propyl)ammonium chloride.

RAMAPPA D A, JOGIKALMATH G

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

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

New nitrogen-15 and nitrogen-14 interspersed uniform nitrogen-doped graphene useful in preparing graphene materials and modified graphene materials.

HUANG M, LUO X, DENG H, JIA Q, PENG S, ZHANG Z, XI S, LIU Y, LIU X, CHI S

Nanoporous membrane used in filter, comprises two-dimensional material permeated by pores which are blocked by polymer derived from monomer and comprising population of pores having average pore diameter.

KIDAMBI P R, CHENG P

Infrared absorbing composition used in device, in layered structure as infrared emitter/absorber, to prepare surface to absorb infrared radiation and making coatings comprises layer of metal carbides and nitrides material.

HAN M, GOGOTSI Y

Composite material useful for delivering and desorbing macromolecular substance, preferably polysaccharide molecule, protein, DNA and RNA in cell, comprises carbon nanotube as nano-particles and polydimethylsiloxane as flexible substrate.

CHEN H, WANG L, TANG H

Conductive film comprises porous base layer film, porous intermediate transition layer film made up of graphene and carboxylated multi-wall carbon nanotubes and porous conductive layer film stacked in sequence.

SUN F, YANG J, DONG W, ZHAO L, XING D, YANG S, SONG Z, LI J