国家/地区 美国（22） 韩国（21） 日本（18） 世界知识产权组织（18） 中国（13） 欧洲专利局（EPO）（10） 澳大利亚（7） 加拿大（7） 印度（6） 台湾（5） 新加坡（3） 印度尼西亚（2） 以色列（2） 越南（2）
IPC部 B（39）
IPC大类 B01（39）
IPC小类 B01D（39）
IPC C01B031/02（39）
发明人 BEDWORTH P V（4） NA D H（3） TAKAGI T（3）
JEON S（2） KANEKO K（2） KIM H（2）
LEE H（2） LIU H（2） MURADA K（2）
MURATA K（2） PARK H（2） STETSON J B（2）
公开年 2013（13） 2016（8） 2014（6） 2012（5） 2011（3） 2015（2） 2017（2）
申请年 2012（12）  2015（9）  2011（7）  2010（3）  2013（3）  2014（3）  2016（2） 
专利权人 KOREA ADVANC.（4） LOCKHEED COR.（4） LOCKHEED MAR.（4） SAMSUNG TECH.（3）
HANWHA TECHW.（2） KOREA INST S.（2） KOTOBUKI TSU.（2） UNIV SHINSHU（2）

Sequential exfoliation of graphite for production of graphene flakes involves creating suspension of graphitic material in liquid, treating suspension in flow treatment, and centrifuging suspension to create supernatant and sediment.

WINTER H H, DIMITRAKOPOULOS C

Membrane for providing selective permeability in filtration applications, comprises sheet of graphene-based material having perforations with specified pore size, non-graphenic carbon-based material, and contact areas between materials.

SWETT J L, BEDWORTH P V, HEISE S E, SINTON S W, SIMON S M, BULLOCK S E, LIU H, SINSABAUGH S L

Manufacture of porous graphene filter used in filter apparatus, involves providing filters having pores formed by substituting portion of carbon atom by atom produced from source containing pyridine, within filter mainframe.

KWON G, KIM H

Mixed conductivity oxidized graphene sheet exhibits value with both equivalent proton conductivity and electronic-conduction rates measured at specific temperature.

KIDA T, MATSUMOTO Y, HATAKEYAMA K, MIYAMOTO A

Filter comprises porous base material and graphene film which covers surface of base material and is formed from stacked graphene molecules containing graphene oxide molecule and non-oxidized graphene molecule.

YOKOYAMA K, TAKAGI T

Membrane used for separating gas, has graphene oxide layer with sodium chloride flux ratio below preset value, measured using sodium chloride aqueous solution by forward osmosis evaluation.

UCHIDA K

Adsorbent for adsorption apparatus used for treating wastewater comprises graphene oxide.

NAITO K, SUZUKI A, IMADA T

Manufacturing method of filter molded object, involves holding graphene layer under low temperature heating for predetermined time in-air contains specific oxygen range and forming graphene water flow hole.

KANEKO K, TAKAGI T, MURATA K, MURADA K, KATSUMI K, TOSHIO T, KATSUYUKI M

Particles used in solid-state composition for extracting nucleic acid, comprises graphene oxide and/or graphite oxide and cellulose.

SAITO NAGAHIRO, LI OI LUN HELENA, AKCEOGLU GARBIS ATAM

Manufacture of molded filter material involves forming support layer on graphene layer formed on initial stage substrate for graphene, forming water passage hole in support layer, and forming water passage hole in graphene layer.

KANEKO K, TAKAGI T, MURATA K, MURADA K, TAKAGE T, TAKAGI H