Bernd Makowka

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Bergisch-Gladbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Electrochemical process for the production of chromic acid
- Patent number 5,068,015
- Issue date Nov 26, 1991
- Bayer Aktiengesellschaft
- Hans-Dieter Block
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
High-extraction chrome tanning process
- Patent number 4,919,680
- Issue date Apr 24, 1990
- Bayer Aktiengesellschaft
- Bernhard Wehling
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Process for the preparation of dimethylmaleate
- Patent number 4,827,022
- Issue date May 2, 1989
- Bayer Aktiengesellschaft
- Bernd Makowka
- C07 - ORGANIC CHEMISTRY