国家/地区 世界知识产权组织（6）
IPC部 B（6）
IPC大类 B01（6）
IPC小类 D01D（6）
IPC A41D013/11（2） A41D031/30（2） A62B023/02（2）
B01D067/00（2） C01B032/19（2） D01D005/00（2）
发明人
公开年 2021（3）
申请年 2020（2）  2021（2） 
专利权人

Filter material, useful in face mask and/or respirator, comprises electrospun nanofiber membrane and active nanomaterial agent incorporated into the membrane, where the membrane filters disease-causing agents.

HASAN S W, MAVUKKANDY M

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

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

Dry graphene powder composition used in graphene ink used in two- or three-dimensional printing comprises pristine graphene flakes non-covalently functionalized with polymeric amphiphilic molecules.

TRAN T S, ROY CHOUDHURY N, DUTTA N, ROY C N, AWARD T, ROICHOUDURINAMITA, DUTANABA, DUTA N

Making graphene-biopolymer composite material used e.g. in composition for making article, comprises contacting ionic liquid with biopolymer and graphene, contacting obtained mixture with non-solvent, and collecting obtained material.

ROGERS R D, ZAVGORODNYA O, SHAMSHINA J L, GURAU G

Vapor phase epitaxy carbon fiber assembly used as electrode material of lithium cell, is aggregate of vapor growth carbon fiber having tubular graphene layer structure, and average fiber outer diameter in preset range.

HITOE Y, SUZUKI J, SATO H, KAWASHIMA S, SUZUKI A