国家/地区 美国（5） 世界知识产权组织（4） 日本（2） 韩国（2）
IPC部 B（5）
IPC大类 B82（5）
IPC小类 C01B（5）
IPC C01B031/00（5）
发明人
公开年 2012（3）
申请年 2011（2） 
专利权人

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

Random graphite, which is a type of graphite comprising three-dimensionally random graphene layers, useful for graphitic intercalation compound (GIC) such as electrodes for lithium-ion battery.

LEE J, WON J, LEE B, LEE J K, WON J S, LEE B B

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

Fabrication of nano-graphene based broadband optical limiter useful for protecting human eye from lasers, by preparing starting graphene suspension, preparing solution of reagent and mixing graphene suspension with reagent solution.

ZHAO W, ZHAO B