Gabriele Leukel

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Norken, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of isocyanates and their use of the pre...
- Patent number 4,946,990
- Issue date Aug 7, 1990
- Bayer Aktiengesellschaft
- Werner Mormann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of isocyanates and their use for the pr...
- Patent number 4,886,902
- Issue date Dec 12, 1989
- Bayer Aktiengesellschaft
- Werner Mormann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of isocyanates and their use for the pr...
- Patent number 4,870,198
- Issue date Sep 26, 1989
- Bayer Aktiengesellschaft
- Werner Mormann
- C07 - ORGANIC CHEMISTRY