国家/地区 中国（11） 欧洲专利局（EPO）（2） 美国（2） 世界知识产权组织（2）
IPC部 B（12）
IPC大类 B01（12） G01（4）
IPC小类 B01D（12）
IPC B01J020/286（12）
发明人 WANG L（5） DONG S（2） LIU Y（2）
WANG Y（2） ZHANG L（2） ZHANG M（2）
ZHANG X（2） ZHAO L（2）
公开年 2016（4） 2013（2） 2018（2）
申请年 2016（3）  2012（2）  2014（2） 
专利权人 LANZHOU CHEM.（2）

Filler used in high-performance liquid chromatography column for rapid detection of e.g. hydrophilic substances, comprises silicon spheres, graphene quantum dots and poly(N-isopropylacrylamide) bonded on surface of silicon spheres.

WANG L, LUO Q, XIA Z, ZHENG Y

Solid phase micro-extraction head for enriching perfluorinated compounds, comprises metal carrier and coating material coated on surface of metal carrier, where coating material is ferromagnetic fluorinated graphene.

LIANG M, CHEN L, WANG L, WANG B, CHEN J, HOU X, WU Y, GUO X, XIAN Y

Preparation of modified graphene oxide-coated silica gel useful as chromatographic filler, involves mixing silica gel with toluene, adding (aminopropyl)triethoxysilane, aqueous graphene oxide solution and ionic liquid and reacting.

CAO X, MA B, ZHOU M, GUO L, ZHU Y, WANG H, LI X, WANG Q, ZHANG S, TANG Z, ZHANG W, ZHANG L, DING Y

Graphene/silica gel solid phase extraction materials useful for carrying out enrichment and separation of benzene ring-containing carbamate pesticide residue, comprises e.g. preparing graphene colloid solution by adding graphene oxide.

LIU S, WANG L, XU J, LIU Y, SUN J, ZHANG Y

Preparation of graphene quantum dot-bonded silica gel stationary phase for chromatography, involves reacting quantum dots, aminopropyl silica gel, N,N'-dicyclohexylcarbodiimide, and catalyst, and reacting product with hydrazine hydrate.

DONG S, WANG Y, WANG L, ZHAO L, ZHANG X

Preparation of graphene oxide-bonded capillary electrochromatography monolithic column involves dispersing amino-modified styrene graphene oxide and 2-acrylamido-2-methylpropanesulfonic acid and curing mixture in pretreated capillary.

WANG Y, ZHAO H, CHENG H, CHEN Y

Preparation of modified graphene oxide column comprises preparing graphene oxide solution, pretreatment and oxidation of graphene modified silica capillary column.

CONG H, YANG C, YANG S, YU B

Solid-phase extraction column used in pre-treatment of chemical sample, comprises monolayered graphene or multi-layered graphene, or modified graphene as solid-phase extraction agent filled within separation column.

ZHANG M, ZHANG L

Preparation of graphene-bonded silica stationary phase involves adding graphene oxide-bonded silica gel to aqueous solution of hydrazine hydrate, reacting, filtering and drying.

DONG S, WANG L, ZHAO L, ZHANG X

Preparation of solid-phase micro-extraction adsorption coat-based silica-bonded graphene involves immersing stainless steel fiber in solution of functionalized graphene and 3-aminopropyltriethoxysilane, polymerizing, and drying.

ZHANG M