国家/地区 美国（3） 中国（2） 印度（2） 韩国（2） 世界知识产权组织（2）
IPC部 B（7）
IPC大类 B01（7）
IPC小类 B01D（7）
IPC B01D071/56（7）
发明人
公开年 2021（2）
申请年 2018（2）  2020（2） 
专利权人

Adding graphene derivatives in active layer and substrate layer in filtration membrane, involves adding predetermined quantity of graphene derivatives to predetermined quantity of organic solvent, and mixing graphene derivatives with organic solvent in predetermined ratio to form graphene dispersion.

KAUSHIK A

Nanoporous membrane used in filter, comprises two-dimensional material permeated by pores which are blocked by polymer derived from monomer and comprising population of pores having average pore diameter.

KIDAMBI P R, CHENG P

Producing polyamide complex membrane using a sulfur-doped nano-carbon material comprises preparing carbon composition by homogeneously mixing a nano-carbon material with sulfur, heating carbon composition, homogenizing, and drying.

SONG P, KIM N, SUK M H, JUNG H W, KIM J, LEE J S

Producing polymer membranes having antimicrobial properties by depositing functional nanostructures of metal oxides and/or graphene oxide from suspension, solution or dispersion on surface of polymer filtration membrane, and filtering.

KOWALIKKLIMCZAK A, STANISLAWEK E, KACPRZYNSKAGOLACKA J

Thin film composite membrane useful for desalination, comprises a substrate membrane having nitrogen-doped graphene oxide quantum dots.

YU M, FATHIZADEH M

Preparation of gas separation membrane based on carbon nanotubes/graphene/polyether block amide, involves ultrasonically dispersing carbon nanotubes/graphene oxide in ethanol and water solution to obtain uniform dispersion.

XUE Q, PAN X, ZHANG J, LI X

Filtering or solid-liquid separation membrane, has graphene compounds provided in matrix layer and dispersed in polymer in matrix layer, where polymer is formed by interfacial polymerization, and compounds increase rejection of matrix layer.

KRISHNA K M, BHATTACHARYYA A, DEVI R M, PHADKE M, KLISHINA K M, BATACHAYA A, DEVIE R M, PHADKE M A