国家/地区 巴西（3）
IPC部 B（3）
IPC大类 C01（3） B82（2）
IPC小类 C01B（3）
IPC C01B031/04（3）
发明人
公开年
申请年
专利权人

Material for chemical heat pump comprises active substance that allows transport of volatile liquid in gas phase to and from part of active substance, and flakes of graphene and graphene oxide.

BOLIN G, TORNEREFELT U, GOERAN B, ULRIKA T

Cavity power section used for mud motor, comprises rotor and stator comprising metal outer tubular and graphene-enhanced elastomeric stator inner liner in which elastomeric material of liner comprises graphene particles and rubber.

SICILIAN J A, SICILIAN Y A

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