国家/地区 中国（2） 欧洲专利局（EPO）（2） 韩国（2） 台湾（2） 美国（2） 世界知识产权组织（2）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C09C003/08（3）
发明人
公开年
申请年 2015（2） 
专利权人

Three dimensional graphene ball used in composition for shielding electromagnetic waves, comprises coating layer for coating carbon balls derived from carbohydrates with silver particles, and graphene region formed between coating layer.

NA C, ARAM K, KIMYONGHWAN, YOON S

Graphene dispersant used in e.g. preparation of graphene composite powder, and graphene composite film, comprises polyaniline oligomer or derivative which is electroactive polymer, and combines with graphene via pi-pi bond.

DAI L, GU L, YU H, ZHENG Y, MA J, ZHAO H, LIU S, DING J

Graphite-based carbon material used as graphene precursor for preparing graphene dispersion, comprises rhombohedral graphite layer and hexagonal graphite layer, and has specified rate calculated based on X-ray diffraction method.

HASEGAWA S, KAMIYA N, HASEGAWA SHOJI, KAMIYA NAGISA, SHOJI H, NAGISA K, SHEN Y