Tsutomu Kushida

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Fukushima-Ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for purifying hydroxycarboxylic acid, process for producing...
- Patent number 7,781,600
- Issue date Aug 24, 2010
- Kureha Corporation
- Tomoyuki Ogawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Process For Purifying Hydroxycarboxylic Acid, Process For Producing...
- Publication number 20080214842
- Publication date Sep 4, 2008
- Tomoyuki Ogawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...