国家/地区 世界知识产权组织（4）
IPC部 C（4）
IPC大类 C22（4） H01（4） B22（3）
C01（2）
IPC小类 C22C（4）
IPC C22C009/00（4）
发明人
公开年 2016（2）
申请年
专利权人

Preparation of rare earth modified graphene copper based composite material used for contact line for high speed rail, involves ball milling graphite, organic amine and alcohol substance, centrifuging and separating product, and dissolving copper salt in alcohol substance.

WANG X, HUANG W, XUE D, WONG W

Treating method of material, involves drying mixture to dry powder, thus forming treated material after mixing solution which excludes silver, iron, pyrite, and graphene into additional mixture if brass and copper granules.

BOURQUE J M

Graphite-enhanced composite copper-based contact material used in manufacture of e.g. switches, comprises oxide powder, carbide powder and graphene-coated copper (alloy) powder containing tin oxide and copper oxide.

LIU L, WENG W, LIN W

Rolled copper foil used for manufacture of graphene for e.g. mercury-free fluorescent lamp, has specified ratio of maximum value for detection strengths occurring under specified conditions based on specific direct pole figure.

CHIBA YOSHIHIRO, CHIBA Y