Hans Vowinkel

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Florsheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of a polypropylene composite
- Patent number 5,300,361
- Issue date Apr 5, 1994
- Hoechst Aktiengesellschaft
- Hans Vowinkel
- B32 - LAYERED PRODUCTS
Information Patent Grant
Process for the production of an optical coupler for polymeric opti...
- Patent number 5,300,162
- Issue date Apr 5, 1994
- Hoechst Aktiengesellschaft
- Andreas Brockmeyer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL