Kyoko Tsuta

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing hydroxyflavan compounds
- Patent number 5,698,717
- Issue date Dec 16, 1997
- Sumitomo Chemical Company, Limited
- Hironobu Iyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Rubber composition containing a flavan compound and a method for pr...
- Patent number 5,688,871
- Issue date Nov 18, 1997
- Sumitomo Chemical Company, Limited
- Naoki Inui
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Rubber composition and a vulcanizing adhesion method using the same
- Patent number 5,665,799
- Issue date Sep 9, 1997
- Sumitomo Chemical Company, Limited
- Naoki Inui
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...