Fumio Koseki

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Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stable dispersible mineral acid slurry of benzidine derivatives
- Patent number 5,454,973
- Issue date Oct 3, 1995
- Wakayama Seika Kogyo Co., Ltd.
- Fumio Koseki
- C07 - ORGANIC CHEMISTRY