Katuhiko Okamoto

Follow

Person

Kyoto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for production of sulfuric acid semiesters
- Patent number 4,450,114
- Issue date May 22, 1984
- Sumitomo Chemical Company, Limited
- Taira Fujita
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the production of compounds having in the molecule at l...
- Patent number 4,351,765
- Issue date Sep 28, 1982
- Sumitomo Chemical Company, Limited
- Taira Fujita
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...