国家/地区 美国（4） 中国（3） 世界知识产权组织（3） 欧洲专利局（EPO）（2） 印度（2）
IPC部 B（8）
IPC大类 B01（8）
IPC小类 B01D（8）
IPC B01D061/14（8）
发明人 JUN D（2） KANER R B（2） KOWAL M（2）
公开年 2021（3）
申请年 2019（2）  2021（2） 
专利权人 UNIV CALIFOR.（2）

Treating starting liquid containing pollutants comprises adding graphene oxide to starting liquid so as to adsorb part of pollutants and causing pre-treated liquid to flow through porous membrane comprising hollow fibers.

MELUCCI M, PALERMO V, KOVTUN A, NAVACCHIA M L, BOCCHI L

Forming purified graphene oxide (GO) material for sensor, involves dewatering GO suspension with first filter, forming GO solution comprising dewatered GO suspension and solvent solution comprising solvent, and filtering with second filter.

JUN D, KOWAL M, KANER R B

Making ultrafiltration membrane used to separate heavy metals, comprises e.g. making dope solution by dissolution of dry polymer having solvent, polymeric additive and nanoparticle with/without acid/base treatment and stirring the mixture.

BHALERAO A, CHENDAKE Y, CHAVAN S, DHUME S, MAHAJANTATPATE P, KHADE A

Preparing graphene porous membrane by thermally reducing graphene oxide slurry, thermally-reducing, dispersing HT-graphene oxide in solvent, adding hydrogen peroxide, purifying product, and dispersing FL-graphene oxide powder in solvent.

OU J, YU H, ZHOU H, CHENG Y, REN B, CHEN G, YAO H, YI Q, XIE H, CHEN K

Multilayer crosslinked graphene oxide useful for preparing reverse osmosis membrane, comprises graphene oxide layer crosslinked by using crosslinking agent to form nano-multilayer crosslinked graphene oxide.

GAO X, WANG X, SONG N, WEI Y, SU B, GAO C

Making purified graphene oxide (GO) material used in sensor comprises forming GO suspension comprising GO, dewatering GO suspension with first filter, forming GO solution comprising dewatered GO suspension and solvent solution and filtering.

KANER R B, KOWAL M, JUN D

Composite nanostructure useful in a filtration membrane e.g. microfiltration membrane for filtering a liquid i.e. water, comprises a graphene oxide shell, and a nanoparticle i.e. titanium dioxide or silver within the shell.

FORTNER J, BISWAS P, JIANG Y, WANG W

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