国家/地区 世界知识产权组织（4）
IPC部 A（4）
IPC大类 A41（4）
IPC小类 A41D（4）
IPC C01B032/194（4）
发明人
公开年 2021（2）
申请年 2021（2） 
专利权人 HAYDALE GRAP.（2）

Heating pad in heatable garment, comprises graphene particles dispersed in polymer matrix material, and electrically insulating covering layer bonded to heating pad and electrically insulating covering layer, overlaying and bonded to heating pad.

JONES E O, HOWE T H, SEYMOUR J

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

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

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