Shizuo Sakamoto

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Shimodate, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing neutralized phenol resins
- Patent number 4,198,499
- Issue date Apr 15, 1980
- Hitachi Chemical Company, Inc.
- Susumu Konii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...