Tomohiro Furuichi

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Tokushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Curing agents for epoxy resins
- Patent number 6,433,042
- Issue date Aug 13, 2002
- Otsuka Kagaku Kabushiki Kaisha
- Yoshihisa Tomotaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous solution of water-soluble epoxy resin, solid obtained there...
- Patent number 6,372,825
- Issue date Apr 16, 2002
- Otsuka Kagaku Kabushiki Kaisha
- Yoshihisa Tomotaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
1-Aminopyrrolidine or its salt as epoxy resin hardener
- Patent number 6,359,036
- Issue date Mar 19, 2002
- Otsuka Kagaku Kabushiki Kaisha
- Yoshihisa Tomotaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing 1-aminopyrrolidine, and 1-aminopyrrolidine ac...
- Patent number 5,981,764
- Issue date Nov 9, 1999
- Otsuka Chemical Co., Ltd.
- Tsukasa Maekawa
- C07 - ORGANIC CHEMISTRY