国家/地区 中国（5） 韩国（5） 加拿大（2） 欧洲专利局（EPO）（2） 日本（2） 世界知识产权组织（2）
IPC部 B（9）
IPC大类 B01（9）
IPC小类 B01D（9）
IPC D06M011/83（9）
发明人
公开年 2021（4） 2020（2）
申请年 2020（3）  2017（2）  2019（2） 
专利权人

Rapid and continuous preparation method of high-efficiency and multi-functional air filter material, involves dipping light-cured resin into coiled air filter material, heating by infrared, softening filter fiber using dry powder injector to blow functional particles to filter material.

WANG B, CAI W

Electrospun polymer nanofibrous membrane having high filtration efficiency comprises polyvinylidene fluoride, Tecophilic thermoplastic polyurethanes, or blend of polyvinylidene fluoride and Tecophilic thermoplastic polyurethanes.

SOLIMAN S, GUO F

Ink useful for providing viral active or anti-microbial coating to substrate, comprises carrier, graphene or graphene oxide particles dispersed in carrier, and viral active or anti-microbial component adhered to graphene.

CHEN S W, DEVINE S, CHEN S, SANDWINTHROP C

Heat detection mask comprises mid-leaf filter cloth having four corners and four sides, upper leaf of middle leaf filter fabric and upper leaf bonded to have same edge on upper side of left and right sides and having arc-shaped sewing line.

SHIM B

Inner skin used for e.g. chemical protection product, comprises composite material comprising metallic material comprising metal-organic framework and carbon-based material, and separation membrane comprising carbon-based material.

JUNG H S, JIN Y, JANG S, KA D

Manufacture of antibacterial filter for mask, involves impregnating graphene slurry comprising graphene and silver nanoparticles into polymer fibers, and immersing graphene-impregnated polymer fibers in silver electroless plating solution.

LEE G

Preparation of nano fiber filter for preparing cigarettes, involves adding graphene oxide dispersion to polylactic acid solution, spraying on composite film material, drying, placing in silver nitrate, removing film material and drying.

LIANG M, ZHAO M, ZHANG J, ZHANG G, YUE L, LI H, LI R, HE Y, LI M

Antibacterial filter material used in e.g. air purifier, comprises plant fibers, rubber, phenolic resin, graphene, bauxite, shale, silver nitrate, yttrium oxide, surfactant, reducing agent, dispersant, nano titania and aluminum nitride.

CHEN M

Photo-catalytic graphene fiber for use in adsorption of e.g. formaldehyde in air, includes graphene fiber as substrate whose surface is coated with layer of protective glue which is coated with photocatalytic coating.

WU L, WU Z, ZHENG J