Shiro Nagahata

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparation of polyurethane-polycarbodiimide foam
- Patent number 5,621,051
- Issue date Apr 15, 1997
- Nisshinbo Industries, Inc.
- Tatsuya Okutani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...