Alexander Eckhardt

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Koln, DE

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Patents Grantslast 30 patents

Information Patent Grant
Polyurethane elastomers which exhibit improved stability to hydrolysis
- Patent number 6,737,471
- Issue date May 18, 2004
- Bayer Aktiengesellschaft
- Klaus Lorenz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phosphate-stabilized polyurethane materials, cross-linked by conden...
- Patent number 6,626,988
- Issue date Sep 30, 2003
- Bayer Aktiengesellschaft
- Lutz Schmalstieg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Polyurethane elastomers which exhibit improved stability to hydrolysis
- Publication number 20020120028
- Publication date Aug 29, 2002
- Klaus Lorenz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polyurethane elastomers which exhibit improved stability to hydrolysis
- Publication number 20020120027
- Publication date Aug 29, 2002
- Klaus Lorenz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...