Nobuo Sayama

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Matsuyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyester and process for preparation thereof
- Patent number 4,663,423
- Issue date May 5, 1987
- Teijin Limited
- Hironori Yamada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...