国家/地区 美国（7） 中国（3） 欧洲专利局（EPO）（3） 韩国（3） 世界知识产权组织（3） 加拿大（2） 印度（2） 日本（2）
IPC部 B（8）
IPC大类 B01（8）
IPC小类 B01D（8）
IPC B01D039/00（8）
发明人
公开年 2013（2） 2015（2）
申请年 2012（2）  2014（2）  2016（2） 
专利权人

Preparing sewage filtering material by mixing quartz sand, anthracite particles, graphene, limestone, sieving powder, sodium allyl sulfonate, distearoyl diethylene triamine, and titanium oxide, granulating and layering on fabric.

SUN H, GAO Y, SI Y, SHEN F

Preparation of polygraphene membrane for desalinating salt water involves mixing graphite, sodium nitrate and potassium permanganate and hydrogen peroxide, centrifuging mixture, and acylating and polymerizing resulting graphene oxide sheets.

SALEH T A

Graphene-based membrane used as e.g. reverse osmosis membrane comprises monolayer graphene containing defects, deposition layer disposed on defects, and nanopores surrounded by deposition layer.

KIM I S, YANG E, SONG J, KIM C, KIIM I S, YANG E T, SONG J H, KIM C M

Formation of membrane for e.g. separating water from water/oil emulsion, involves dispersing graphene oxide nanoparticles in solvent, depositing graphene oxide nanoparticles on support, and reducing obtained graphene oxide membrane.

YU M

Article useful for purifying an alcohol, comprises a nanofibrous scaffold comprising fibers, and a barrier layer comprising graphene oxide on at least a portion of a surface of the nanofibrous scaffold.

CHU B, HSIAO B S, MAHAJAN D, YEH T

Treatment system for filtering waste or agent from fluid stream, consists of inlet flow path fluidly and permeable graphene filter containing polymer composite of layer(s) of graphene material assembled in sp2 hybridized structures.

CHIANELLI R R, DEEMER E, CHIANELLI R, EVA D, CAPT T A, DEEMER E M, WALKER W S

Method for removing contaminant i.e. industrial waste, from waste water or aqueous solutions using tightly stacked layers of graphene oxide, involves separating multiple chambers, where fresh water exits from side of substrate into chamber.

BROWNE D, YEOH A

Deionizing fluid carrying unwanted ions involves applying pressurized fluid to first surface of perforated graphene in cylindrical form, so that fluid flows to second side of the sheet in preference to ions; and collecting the fluid.

STETSON J B, MERCURIO J, ROSENWINKEL A, BEDWORTH P V, FLEMING S P, WESTMAN A L