国家/地区 中国（3） 日本（3） 美国（3） 世界知识产权组织（3） 欧洲专利局（EPO）（2） 韩国（2）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01J（3）
IPC C01B032/05（3）
发明人
公开年 2015（3）
申请年 2014（2） 
专利权人

Preparation of sulfonated graphene used for e.g. transparent electroconductive electrode and thermal conductive material, involves contacting reaction medium containing oxidative sulfonating agent with organic material, and heating.

HAO J, JIANG Y, LI J

Graphite-type carbon raw material used as graphene precursor, has rhombohedral system graphite layer and hexagonal system graphite layer in ratio more than preset value, as measured using peak intensities specific planes of layers.

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

Carbon-type solid acid used in solid acid catalyst, comprises carbonaceous material having sulfonic acid group, and has graphene structure in at least portion and contains boron.

SHIOYAMA H, SAKURAI H, XU Q, KIUCHI M, KIMURA Y, MU C