国家/地区 日本（8） 美国（6） 世界知识产权组织（6） 欧洲专利局（EPO）（5） 澳大利亚（4） 中国（4） 韩国（3） 台湾（3） 印度尼西亚（2） 印度（2） 越南（2）
IPC部 B（11）
IPC大类 B01（11）
IPC小类 B01D（11）
IPC B01D071/02（11）
发明人 TAKAGI T（3） KANEKO K（2） MURADA K（2）
MURATA K（2）
公开年 2016（11）
申请年 2015（9）  2016（2） 
专利权人 KOTOBUKI TSU.（2） UNIV SHINSHU（2）

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

Graphene oxide laminate membrane used in filtration device, comprises graphene oxide flakes and pristine graphene flakes which are from predetermined value of flakes of which graphene oxide laminate membrane is comprised.

KALANGI V S, NAIR R R

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

Purification of graphene oxide used for preparing e.g. engineering plastics, involves subjecting aqueous graphene oxide solution produced using acid and heavy metal oxidizing agent to phase separation using organic solvent.

YOO H

Graphene membrane film used in system for purifying solvent, comprises several plate-shaped laminated graphene flakes containing physical bond or chemical bond for connecting pair of layers, and has preset thickness and oxygen content.

LEE S H, KIM S J, SEO D K, KIM Y H, GEONHUI L, LEE S, KIM S

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

Concentrating stabilized solution of graphene oxide having continuous phase, comprises adding absorbent material to solution, and absorbing portion of the phase with material to form solution having higher graphene oxide concentration.

MAJUMDER M, AKBARIVAKILABADI A

Graphene-based membrane useful for e.g. removing ions from water , comprises at least two graphene-oxide layers comprising many graphene-oxide flakes that comprise a planar graphene structure with oxygen moieties extending from it.

YU M