Winfried Rosen

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Wuppertal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of substituted 2-chloropyridines
- Patent number 5,334,724
- Issue date Aug 2, 1994
- Bayer Aktiengesellschaft
- Dieter Kaufmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of intermediates
- Patent number 5,099,040
- Issue date Mar 24, 1992
- Bayer Aktiengesellschaft
- Winfried Rosen
- C07 - ORGANIC CHEMISTRY