Tadaharu Hase

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Takaishi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for refining methacrylic acid
- Patent number 5,959,142
- Issue date Sep 28, 1999
- Mitsui Chemicals, Inc.
- Kazuo Wakimura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation process for glyoxal
- Patent number 4,555,583
- Issue date Nov 26, 1985
- Mitsui Toatsu Chemicals, Incorporated
- Yoshiaki Toyoda
- C07 - ORGANIC CHEMISTRY