Ralf Lemmerz

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Condensation cross-linking polyurethane materials containing specia...
- Patent number 6,703,453
- Issue date Mar 9, 2004
- Bayer Aktiengesellschaft
- Lutz Schmalstieg
- 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-...
Information Patent Grant
Piperazinone derivatives with alkoxysilane groups
- Patent number 6,599,354
- Issue date Jul 29, 2003
- Bayer Aktiengesellschaft
- Lutz Schmalstieg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyurethane prepolymers having alkoxysilane end groups, method for...
- Patent number 6,545,087
- Issue date Apr 8, 2003
- Bayer Aktiengesellschaft
- Lutz Schmalstieg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...