Hisaya Imai

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Fuji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing polyether polyol and a product
- Patent number 4,792,627
- Issue date Dec 20, 1988
- Asahi Kasei Kogyo Kabushiki Kaisha
- Atsushi Aoshima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polyether polyol and a product
- Patent number 4,658,065
- Issue date Apr 14, 1987
- Asahi Kasei Kogyo Kabushiki Kaisha
- Atsushi Aoshima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...