国家/地区 中国（3） 日本（2） 美国（2） 世界知识产权组织（2）
IPC部 B（4）
IPC大类 C09（4）
IPC小类 C09K（4） F16D（3） B01J（2）
B82Y（2） C01B（2） C22C（2）
IPC C09K003/14（4）
发明人
公开年 2021（2）
申请年
专利权人

Rare earth carbide catalyst used in preparation of high-carbon friction material, is prepared by loading rare earth oxide on catalytic carrier.

ZHOU G, CHEN B, JIAO H, SHI W

Column wheel used for main reduction system of heavy-duty vehicle, comprises iron, carbon, manganese, chromium, nickel, aluminum, molybdenum, buffer damping mixture and diamond powder mixture.

YI Y, LI J, LI C

Synthesizing graphene comprises refluxing reaction mixture of solvent e.g. water and carbonaceous material promoting polycyclic aromatic hydrocarbon formation, collecting and directing obtained vapors to substrate and recovering graphene.

SHANKMAN R S, HANKMAN R S

Graphene oxide sheet used for graphene-containing material, is obtained by dispersing graphene-containing carbon substance using dispersing agent to reduce size of aggregation unit of carbon substance, and oxidizing resulting product.

FUGETSU B