Kunihiro Azuma

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Ehime, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing polybutylene terephthalate
- Patent number 4,656,241
- Issue date Apr 7, 1987
- Toray Industries Incorporated
- Hiroshi Iida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...