国家/地区 世界知识产权组织（4）
IPC部 A（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC B82Y030/00（2） C01B032/182（2）
发明人
公开年 2022（4）
申请年 2022（3） 
专利权人

Face mask for use as personal protective equipment, comprises layer comprising surface-functionalized graphene particles having specified sulfur impurity level, manganese level, and/or nitrogen oxide level.

PROMNIMIT A

Population of nanocomposite particles useful for reducing odors, comprises hydrophilic fumed silica nanoparticles, and poly (ethylene imine) grafted to it, in which there is no intervening layer between nanoparticles and the PEI.

SUCKEVERIENE R

Substrate useful in applications/manufacture of commercial products including textile products in medical applications/hospitals e.g. aprons, comprises graphene or its derivative.

AMIRTHASAMY J B, RAJE V P, GARG V K, SHUKLA M K, REKHI S S

Graphene nanocomposite polymeric membrane used as air filtration membrane in high-performance masks and air purifiers, comprises sulfur-doped amine-functionalized silver-linked reduced graphene oxide.

BARDIYA V