Toshimitsu Sugawara

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing heterocyclic copolymers
- Patent number 4,914,163
- Issue date Apr 3, 1990
- Tonen Sekiyu Kagaku Kabushiki Kaisha
- Kazuyuki Sakota
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...