Kazuo Okamoto

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Flame resistant polymer composition containing phosphorus and bromi...
- Patent number 4,156,663
- Issue date May 29, 1979
- Kanebo, Ltd.
- Kazuo Okamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Novel aromatic diamine compounds and flame-resistant polyamide comp...
- Patent number 4,144,225
- Issue date Mar 13, 1979
- Kanebo, Ltd.
- Keio Yamanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...