Lothar Duda

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Dusseldorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing 1,4-diaminonaphthalene and/or 1,5-diaminoNaph...
- Patent number 6,538,158
- Issue date Mar 25, 2003
- Bayer Aktiengesellschaft
- Joachim Zechlin
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for preparing 1,4-diaminonaphthalene and/or 1,5-diaminonaph...
- Publication number 20020198408
- Publication date Dec 26, 2002
- Joachim Zechlin
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Polyurethane prepolymers and polyurethane elastomers based on 1,4-n...
- Publication number 20020123594
- Publication date Sep 5, 2002
- Andreas Hoffmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...