STEPHAN WENDEL

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LEVERKUSEN, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of rigid foams containing urethane and i...
- Patent number 5,367,000
- Issue date Nov 22, 1994
- Bayer Aktiengesellschaft
- Rolf Wiedermann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of an iron catalyst and a process for t...
- Patent number 5,268,509
- Issue date Dec 7, 1993
- Bayer Aktiengesellschaft
- Otto Immel
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR THE PRODUCTION OF RIGID FOAMS CONTAINING URETHANE GROUP...
- Publication number 20020103268
- Publication date Aug 1, 2002
- ROLF WIEDERMANN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...