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Osaka-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Spiral-wound gas separation membrane element, gas separation membra...
Patent number
11,358,101
Issue date
Jun 14, 2022
Sumitomo Chemical Company, Limited
Tsutomu Tasaki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Acid gas separation membrane and acid gas separation method using s...
Patent number
10,987,622
Issue date
Apr 27, 2021
Sumitomo Chemical Company, Limited
Cui Liang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Acid gas separation membrane and acid gas separation method using s...
Patent number
10,940,434
Issue date
Mar 9, 2021
Sumitomo Chemical Company, Limited
Cui Liang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Spiral-wound acid gas separation membrane element, acid gas separat...
Patent number
10,525,414
Issue date
Jan 7, 2020
Sumitomo Chemical Company, Limited
Nobutaka Kodama
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
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Patent Application
SPIRAL-WOUND GAS SEPARATION MEMBRANE ELEMENT, GAS SEPARATION MEMBRA...
Publication number
20200047129
Publication date
Feb 13, 2020
Sumitomo Chemical Company, Limited
Tsutomu TASAKI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ACID GAS SEPARATION MEMBRANE AND ACID GAS SEPARATION METHOD USING S...
Publication number
20190111382
Publication date
Apr 18, 2019
Sumitomo Chemical Company, Limited
Cui LIANG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SPIRAL-WOUND ACID GAS SEPARATION MEMBRANE ELEMENT, ACID GAS SEPARAT...
Publication number
20180133654
Publication date
May 17, 2018
Sumitomo Chemical Company, Limited
Nobutaka KODAMA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL