国家/地区 世界知识产权组织（8）
IPC部 B（8）
IPC大类 B01（8）
IPC小类 B01D（8）
IPC B01D067/00（4） B01D071/02（4） C01B031/04（4）
B01J020/20（3） B01D069/00（2） B01J020/28（2）
B82Y040/00（2） C01B031/02（2） C02F001/28（2）
C02F001/44（2）
发明人
公开年 2015（4） 2014（3）
申请年 2014（8）
专利权人

Graphene material-based dispersive solid phase extraction method involves performing pore-forming and activation of graphene material, adding activated graphene material to chemical sample, extracting and detecting supernatant.

ZHANG M, ZHANG L

Method for making graphene membrane that is utilized for enriching gas, involves providing gas-permeable substrate, applying graphene to gas-permeable substrate, heating graphene applied to gas-permeable substrate and cooling.

ANDERSON K, SJONG A, SOONG A

Formation of membrane for e.g. separating water from water/oil emulsion, involves dispersing graphene oxide nanoparticles in solvent, depositing graphene oxide nanoparticles on support, and reducing obtained graphene oxide membrane.

YU M

Reducing amount of in aqueous mixture to produce liquid depleted in solutes involves contacting first face of graphene oxide laminate membrane with aqueous mixture, and recovering liquid from or downstream from second face of membrane.

RAVEENDRANNAIR R, JOSHI R K, GEIM A

Preparing graphene oxide film, used to prepare e.g. dual-layer graphene-oxide film, includes concentrating graphite oxide aqueous slurry, depositing obtained gel slurry on low-friction surface and spreading by bar coating and drying.

CRUZSILVA R, MORELOS A, TERRONES M, ELIAS A L, PEREALOPEZ N, ENDO M

Method for forming nanopore in graphene membrane in liquid environment, involves applying nanopore diameter tuning voltage pulse between membrane surfaces if electrical conductance is greater than prespecified electrical conductance.

GOLOVCHENKO J A, LU B, KUAN A T, GOLOVCHENKO J, KUAN A

Separating a composite sheet including atomically thin material i.e. graphene and substrate i.e. copper, comprises applying hypersonic waves to the sheet so as to separate the thin material from the substrate.

STETSON J B, VISS S J

Making oil-absorbing hollow fiber porous membrane involves immersing graphene dispersion liquid into polymer hollow fiber porous membrane module, and reinforcing binding fastness interface between graphene and hollow fiber porous membrane.

HUANG Q, LIU H, XIAO C, ZHAO J, FAN Z