国家/地区 巴西（4）
IPC部 C（4） B（3） E（2）
IPC大类 B22（2） B82（2） C01（2）
C09（2） E21（2）
IPC小类 B22F（2） B82Y（2） C01B（2）
C09K（2） E21B（2）
IPC B82Y030/00（2） B82Y040/00（2） C01B031/02（2）
C01B031/04（2）
发明人
公开年 2012（4）
申请年 2011（3） 
专利权人

Producing graphene, used in e.g. capacitor and ink, comprises providing metallic particles as templates, providing carbon source, reacting metallic particles and carbon source and forming graphene particles on metallic particles.

COLEMAN K

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

Coated diamond particle used in fluid suspensions, polymers, elastomers, polycrystalline compact and earth-boring tools comprises a solid core comprising diamond; and graphene layer over a portion of the solid core.

CHAKRABORTY S, DIGIOVANNI A A, AGRAWAL G, SCOTT D E, MATHUR V, DIGIOVANNI A, SCOTT D, ANTHONY A D, DANNY E S, DIGIOVANNY A A, AGRAVAL G

Stabilizing shales while drilling wellbore into earthen formation, comprises circulating wellbore fluid into wellbore while drilling through shales, where wellbore fluid comprises graphene-based material.

YOUNG S, FRIEDHEIM J, PATEL A D, TOUR J, KOSYNKIN D, PATEL A, TOUR J M, KOSYNKIN D V, DMITRY K, PATEL ARVIND D