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Wilfried Kohler
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Cologne, DE
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last 30 patents
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Patent Grant
Process for the preparation of mono-N-.beta.-cyanoethylanilines
Patent number
5,391,804
Issue date
Feb 21, 1995
Bayer Aktiengesellschaft
Manfred Blazejak
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for the sulphonation of aromatic compounds with sulphur tri...
Patent number
4,859,372
Issue date
Aug 22, 1989
Bayer Aktiengesellschaft
Horst Behre
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for the preparation of alkali metal diphenylates and free h...
Patent number
4,467,123
Issue date
Aug 21, 1984
Bayer Aktiengesellschaft
Dietmar Mayer
C07 - ORGANIC CHEMISTRY
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last 30 patents
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Patent Application
MERCAPTAN MIXTURE
Publication number
20080293902
Publication date
Nov 27, 2008
Lanxess Deutschland GmbH
Werner Obrecht
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...