国家/地区 美国（4） 中国（3） 欧洲专利局（EPO）（3） 韩国（3） 日本（2） 世界知识产权组织（2）
IPC部 B（4）
IPC大类 B82（4）
IPC小类 B82Y（4）
IPC B82Y030/00（4）
发明人 CHOI J（3） CHOI J Y（3） SHIN H（3）
SHIN H J（3） YOON S（3） YOON S M（3）
公开年 2009（4）
申请年 2008（4）
专利权人 SAMSUNG ELEC.（3）

Preparing graphene sheet, useful in e.g. electrical device, comprises forming film comprising graphitizing catalyst, heat-treating gaseous carbon source in presence of the catalyst to form graphene, and cooling graphene to form sheet.

CHOI J, SHIN H, YOON S, CHOI J Y, SHIN H J, YOON S M, IN Z

Preparation of graphene or graphene dispersion used for manufacturing paper, film, composite and articles for nanoelectronics, nanocomposites and batteries, involves reducing purified exfoliated graphite oxide in presence of base.

LI D, WALLACE G G

Graphene pattern for electromagnetic element, has graphene with layers, which is polycyclic aromatic molecule formed by covalent bond of carbon atoms with one other, is formed in pattern layout on at least one side of base plate.

CHOI J Y, SHIN H J, YOON S M, CHOI J, SHIN H, YOON S

Graphene sheet preparation e.g. for hydrogen storage medium, comprises disposing polymer on sheet form graphitizing catalyst, and heat-treating polymer on graphitizing catalyst in inert or reductive atmosphere.

CHOI J, SHIN H, YOON S, CHOI J Y, SHIN H J, YOON S M, YEONG C J, JIN S H, MI Y S