国家/地区 日本（3）
IPC部 A（3）
IPC大类 A41（3） A62（2） B01（2）
IPC小类 A41D（3）
IPC A41D013/11（2） A41D031/00（2） A62B023/02（2）
发明人
公开年 2021（3）
申请年 2021（3）
专利权人

Flexible polyurethane foam for article e.g., pad for bedding, pillow and mattress comprises flexible-polyurethane-foam composition which contains a polyol, isocyanate, foaming agent, catalyst, and additive which is graphene.

SATO M

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

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