Makiko Koyama

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Ohtsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing polybenzazole
- Patent number 6,169,165
- Issue date Jan 2, 2001
- Toyo Boseki Kabushiki Kaisha
- Fuyuhiko Kubota
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...