Karl-Heinz Wiltzer

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Bad Blankenburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and device for producing high-viscosity or highly stabilize...
- Patent number 6,258,926
- Issue date Jul 10, 2001
- Polymer Engineering GmbH
- Karl-Heinz Wiltzer
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Method and apparatus for the production of polyamide 6 from polymid...
- Patent number 5,902,553
- Issue date May 11, 1999
- Polymer Engineering GmbH
- Karl-Heinz Wiltzer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method and apparatus for the production of polyamide 6 from polyami...
- Patent number 5,646,191
- Issue date Jul 8, 1997
- Polymer Engineering GmbH
- Karl-Heinz Wiltzer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method and apparatus for reprocessing solid polyester material
- Patent number 5,597,852
- Issue date Jan 28, 1997
- Polymer Engineering GmbH
- Reinhard Unger
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL