Seiji Sagawa

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Piperidine compound, a process for producing the same and a stabili...
- Patent number 5,556,980
- Issue date Sep 17, 1996
- Sumitomo Chemical Co., Ltd.
- Seiji Sagawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Isocyanuric acid derivative useful as a light stabilizer
- Patent number 5,182,390
- Issue date Jan 26, 1993
- Kyodo Chemical Company Limited
- Seiji Sagawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-(2-Benzothiazolylthio)-piperidines
- Patent number 4,147,696
- Issue date Apr 3, 1979
- Sumitomo Chemical Company, Limited
- Seiji Sagawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...