Johann Friedhuber

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Patents Grantslast 30 patents

Information Patent Grant
Process for transesterifying α-Ketocarboxylic esters
- Patent number 6,222,063
- Issue date Apr 24, 2001
- DSM Fine Chemicals Austria GmbH
- Curt Zimmermann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of mono- or dicarboxylic acids from ald...
- Patent number 5,686,638
- Issue date Nov 11, 1997
- DSM Chemie Linz GmbH
- Carlo Kos
- C07 - ORGANIC CHEMISTRY