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Patents Grantslast 30 patents

Information Patent Grant
Process for preparation of 3-piperazinylbenzisothiazoles
- Patent number 5,939,548
- Issue date Aug 17, 1999
- Sumitomo Seika Chemicals Co., Ltd.
- Hiroshi Goda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of 3 piperazinylbenzisothiazoles
- Patent number 5,861,511
- Issue date Jan 19, 1999
- Sumitomo Seika Chemicals Co., Ltd.
- Hiroshi Goda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyanobenzenesulfenyl halide and process for preparation of 3-substi...
- Patent number 5,756,806
- Issue date May 26, 1998
- Sumitomo Seika Chemicals Co., Ltd.
- Hiroshi Goda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyanobenzenesulfenyl halide and process for preparation of 3-substi...
- Patent number 5,679,827
- Issue date Oct 21, 1997
- Sumitomo Seika Chemicals Co., Ltd.
- Hiroshi Goda
- C07 - ORGANIC CHEMISTRY