Friedhelm Pilger

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of polyurethane-and/or polyurea-based mo...
- Patent number 4,919,878
- Issue date Apr 24, 1990
- Bayer Aktiengesellschaft
- Friedhelm Pilger
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for the production of molded polyurethane parts
- Patent number 4,772,639
- Issue date Sep 20, 1988
- Bayer Aktiengesellschaft
- Friedhelm Pilger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Molded polyurea articles and a process for the production thereof
- Patent number 4,746,681
- Issue date May 24, 1988
- Bayer Aktiengesellschaft
- Friedhelm Pilger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...