国家/地区 世界知识产权组织（4）
IPC部 B（4）
IPC大类 B01（4） C01（4）
IPC小类 B01D（4）
IPC C01B031/04（4）
发明人
公开年 2015（2）
申请年 2014（4）
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

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

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