Kohji Ohishi

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing polyester
- Patent number 4,861,860
- Issue date Aug 29, 1989
- Polyplastics Co., Ltd.
- Kohji Ohishi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...