Sadami Shimizu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing tetrabromobisphenol A
- Patent number 5,059,726
- Issue date Oct 22, 1991
- Tosoh Corporation
- Hisao Eguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing tetrabromobisphenol A
- Patent number 5,008,469
- Issue date Apr 16, 1991
- Tosoh Corporation
- Hisao Eguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for recovering hydrobromic acid and methanol
- Patent number 4,990,321
- Issue date Feb 5, 1991
- Tosoh Corporation
- Masakatsu Sato
- C01 - INORGANIC CHEMISTRY