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Chengdu City, CN
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last 30 patents
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Patent Grant
Two stage pressure swing adsorption process for producing enriched-...
Patent number
8,128,734
Issue date
Mar 6, 2012
Chengdu Tianli Chemical Engineering Technology Co., Ltd.
Yuwen Song
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Oxygen production process using three-stage pressure swing adsorpti...
Patent number
7,645,325
Issue date
Jan 12, 2010
Chendgu Tianli Chemical Engineering Technology Co., Ltd.
Yuwen Song
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
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Patent Application
TWO STAGE PRESSURE SWING ADSORPTION PROCESS FOR PRODUCING ENRICHED-...
Publication number
20090151561
Publication date
Jun 18, 2009
Yuwen Song
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Oxygen Production Process Using Three-Stage Pressure Swing Adsorpti...
Publication number
20070227354
Publication date
Oct 4, 2007
Yuwen Song
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL