国家/地区
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/198（4）
发明人
公开年 2021（4）
申请年 2020（2） 
专利权人

Graphene oxide Janus nanosheet relatively permeability modifier for reducing water permeability in carbonate formation, comprises graphene oxide nanosheet having first and second sides, first and second alkyl groups and functional group.

LI W, LIANG F, HUANG J

Adsorbent film for measuring scale content in wastewater by coating film forming solution onto vessel wall for holding wastewater sample, is formed from solution prepared from raw materials with graphene power or modified graphene powder.

YU T, SONG J, QU C, WU B, HU H, ZHANG X, YAN Y, YANG B, LI J

Integrated profile control and displacement agent used in crude oil production, comprises plugging agent, surfactant, nano-active agent, auxiliary agent and water.

ZHAO C, WU W, WANG Y

Performing nano strutured carbon coverage process on granular and/or ceramic substrate used as support, vermiculite, residues or materials from mining, steel or equivalent, involves mixing granular substrate and polyethylene terephthalate.

LADEIRA L O, FONSECA CALIXTO J M, MARQUES WILMER A, GOMES SANTOS T, FERREIRA GONCALVES DE OLIV, DA CRUZ COSTA DE SOUZA T