国家/地区 美国（3） 世界知识产权组织（3）
IPC部 B（3）
IPC大类 B82（3）
IPC小类 B82Y（3）
IPC C01B031/00（3）
发明人
公开年 2012（2）
申请年 2012（2） 
专利权人

Forming metal-alloy graphene nanocomposite, used as electrocatalyst in fuel cell applications, comprises e.g. forming conducting polymer layer on surface of graphene substrate, and pyrolyzing layer to form nitrogen-doped graphene substrate.

SUNDARA R, PARAMBATH V B, NAGAR R, NATARAJAN R, VINAYAN B P

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

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