国家/地区 世界知识产权组织（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B031/04（2）
发明人
公开年
申请年 2011（2）
专利权人

Manufacture of graphene on polycrystalline silicon carbide used as bearing element in mechanical engineering, involves polishing silicon carbide components, cleaning, and graphitizing polished surface by annealing.

BENNEWITZ R, ASLAN M, WAEHLISCH C F

Graphene-based steel tubes, pipes or risers used for conveying petroleum, gas and biofuels, and for use in underwater riser systems for deep water with direct application in petroleum industry, comprise aluminum, cobalt, copper and chromium.

CARVALHO A L M D, ZURBA N K, MOREIRA DE CARVALHO A L, MOREIRA D C A L