国家/地区 世界知识产权组织（3）
IPC部 F（3）
IPC大类 F16（3） C01（2）
IPC小类 F16D（3）
IPC F16D069/02（3）
发明人
公开年
申请年
专利权人

Asbestos free friction material composition for use as friction block or layer to equip braking element, e.g. brake pad or brake shoe, comprises organic binder, inorganic filler, lubricant, hard abrasive(s), and carbon based materials.

GILETTA M, CANUTI A, MORERO D

Preparing rice-wheat straw graphene useful as friction material, comprises e.g. depleting and scorching rice and wheat straw into charcoal powder, graphitizing carbon powder, adding concentrated sulfuric acid, mixing, and reacting.

XIONG W

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