Saburo Yazawa

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Fujisawa, JA

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Patents Grantslast 30 patents

Information Patent Grant
Process for improving the thermal stability of polyurethane-contain...
- Patent number 4,089,911
- Issue date May 16, 1978
- Kao Soap Co., Ltd.
- Yoshio Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...