Wolfgang Krohn

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing triisocyanates
- Patent number 5,633,396
- Issue date May 27, 1997
- Bayer Aktiengesellschaft
- Eric Bischof
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of cellular polyurethane elastomers
- Patent number 4,280,007
- Issue date Jul 21, 1981
- Bayer Aktiengesellschaft
- Ernst Meisert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...