国家/地区 中国（2） 欧洲专利局（EPO）（2） 美国（2） 世界知识产权组织（2）
IPC部 B（3）
IPC大类 B82（3）
IPC小类 B82Y（3）
IPC B82Y040/00（2）
发明人
公开年 2021（3）
申请年 2020（2） 
专利权人

Pitch-based ultrafine carbon fiber comprises specific nitrogen atom content measured by X-ray photoelectron spectroscopy, and has specified average fiber diameter and true density.

YAGI K, KOMURA S, HIRAKAWA R

Producing nanocellulose film by applying nanocellulose dispersion on surface of substrate to form layer, and drying layer on surface of substrate to form film, where substrate contains fibrous substrate coated with hydrophobic release layer.

KOPPOLU R, TOIVAKKA M

Anti-ultraviolet graphene coating used for multi-stage hole structure, comprises porous graphene nanometer sheet which are interlaced with each other to form an anti-ultraviolet graphene coating with multi-level pore structure.

ZENG W