Tetsuro Takeya

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing polyarylene sulfide
- Patent number 5,756,654
- Issue date May 26, 1998
- Idemitsu Petrochemical Co., Ltd.
- Kiyoshi Sase
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...