Sadayoshi Matsui

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Shimizu, JA

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Patents Grantslast 30 patents

Information Patent Grant
Curing agents for polyurethane foams and elastomers and process of use
- Patent number 4,097,426
- Issue date Jun 27, 1978
- Ihara Chemical Kogyo Kabushiki Kaisha
- Wataro Koike
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing saccharin
- Patent number 4,076,721
- Issue date Feb 28, 1978
- Ihara Chemical Industry Co., Ltd.
- Wataro Koike
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing saccharin
- Patent number 4,057,555
- Issue date Nov 8, 1977
- Ihara Chemical Industry Co., Ltd.
- Wataro Koike
- C07 - ORGANIC CHEMISTRY