国家/地区 中国（5） 世界知识产权组织（5） 美国（4） 欧洲专利局（EPO）（3） 日本（3） 加拿大（2）
IPC部 B（8）
IPC大类 B01（8） G01（7） C01（2）
C02（2）
IPC小类 B01D（8）
IPC B01D071/02（3） G01N001/40（3） B01D015/08（2）
B01D015/20（2） B01D015/22（2） B01D069/02（2）
C02F001/44（2） G01N001/34（2） G01N030/06（2）
G01N030/60（2）
发明人 ZHANG L（3） ZHANG M（3）
公开年 2015（3） 2016（3） 2014（2）
申请年 2014（8）
专利权人 SHENZHEN CAN.（2）

Chlorophenol graphene-based molecular imprinted solid phase extraction column useful in enrichment and purification of trace chlorophenols in environmental water samples, comprises empty column, frit and filler.

CHEN X, JIN M, PAN S, ZHAO Y

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

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

Filtering water from nuclear power plant according to isotopic forms, by obtaining waste stream of liquid, heating waste stream of liquid, passing gas into filtration module, and using graphene oxide membrane to separate gas.

WILSON J H

Hydrogen key acidic graphene coating layer solid-phase micro-extracting device, has hollow metal sleeve and micro-injector connected together through screw thread, and micro-injector connected with sample pushing head.

DONG L, HUANG F, LIU B, YANG J, ZHANG G, YANG L, GUO T, FU W

Solid phase extraction column, has grapheme layer filled with graphene carboxyl, cyano group, nitrate graphene, graphite or boric acid phosphonium acid graphite solution, and plastic column base fixed with porous alumina plate.

ZHANG M, ZHANG L

Apparatus for removing water from e.g. animal waste in military and civilian potable graphene oxide water purification and recovery system, has membrane separating lumen from another lumen, where water molecules are passed through membrane.

WOOD J A, SCHWARTZ R, LILLY P J

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