Wataru Yoshida

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Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyamine
- Patent number 6,667,382
- Issue date Dec 23, 2003
- Kao Corporation
- Kazuo Isobe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing a primary amine compound
- Patent number 6,307,104
- Issue date Oct 23, 2001
- Kao Corporation
- Wataru Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing aliphatic amine derivative
- Patent number 6,117,948
- Issue date Sep 12, 2000
- Kao Corporation
- Tetsuaki Fukushima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing aliphatic nitrile
- Patent number 5,703,264
- Issue date Dec 30, 1997
- Kao Corporation
- Wataru Yoshida
- C07 - ORGANIC CHEMISTRY