Keizo Kyuda

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing aromatic polyester-polystyrene block copolymers
- Patent number 5,314,954
- Issue date May 24, 1994
- Unitika Ltd.
- Hiroshi Ohishi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Anhydrous polymerization of caprolactam with catalyst, cocatalyst a...
- Patent number 5,245,004
- Issue date Sep 14, 1993
- Unitika Ltd.
- Keizo Kyuda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...