Werner Ehret

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Wilhelmsfeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of vinyldiphosphonic acid and salts the...
- Patent number 4,828,766
- Issue date May 9, 1989
- Benckiser-Knapsack GmbH
- Stephan Kleemann
- C07 - ORGANIC CHEMISTRY