国家/地区 世界知识产权组织（8）
IPC部 B（8） A（4） C（4）
D（4）
IPC大类 B01（8） A41（4） A62（4）
D06（4） C01（2） C08（2）
IPC小类 B01D（8）
IPC B01D039/08（8）
发明人 CESAREO G G（3） RIZZI L G（3） ZHANG L（3）
公开年 2021（3） 2018（2） 2022（2）
申请年 2021（4）  2017（2） 
专利权人 DIRECTA PLUS.（3） ZHANG L（2）

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

Filter element useful for manufacturing air conditioning units for a motor vehicle, comprises a textile substrate comprising woven fabric and nonwoven fabric, and a composition comprising graphene.

RIZZI L G, CESAREO G G

Textile article, useful in a filter for personal health protection, comprises a textile substrate having specific bacterial filtration efficiency, where the textile article comprises graphene dispersed in a polymeric binder.

CESAREO G G, RIZZI L G

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

Face mask e.g. surgical face mask, comprises mask component to cover wearer's mouth and nose, and fastener engaging with mask component comprising air-permeable outer layer, inner layer located on inner side of mask component, and graphene layer, where fastener connects mask component to wearer.

ZHAMU A, JANG B Z, ZHANG B

Filter cloth useful for adsorption and removal of aflatoxin in edible vegetable oil e.g. peanut oil and corn oil, comprises reduced graphene oxide/polyvinyl formal fiber filter cloth composite material having regular structural morphology.

LI P, MAO J, ZHANG Q, ZHANG L, LI H, ZHANG W, YU L

Air filtration device, has filtration layer arranged at outer coatings inner sides, and graphene coatings located at outer surface of filtration layer, where graphene coatings and support layers are located at inner sides of outer coatings.

ZHANG L

Graphene coating material used in air filter for filter system, comprises graphene and/or functionalized graphene including fluorinated graphene, chlorinated graphene, iodinated graphene, allylated graphene and aminated graphene.

ZHANG L