Friedhelm Ferlings

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Device and a process for dissolving water-soluble powdery polymers
- Patent number 5,792,434
- Issue date Aug 11, 1998
- Stockhausen GmbH & Co. KG
- Friedhelm Ferlings
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...