Wilfried Seyfert

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Kapellen, BE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing methylenedianiline and methylenebis (phenylis...
- Patent number 7,230,130
- Issue date Jun 12, 2007
- BASF Aktiengesellschaft
- Eckhard Ströfer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing methylenedianiline and methylenebis(phenyl is...
- Patent number 6,831,192
- Issue date Dec 14, 2004
- BASF Aktiengesellschaft
- Eckhard Ströfer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the production of methylenedi(phenylamine and methylened...
- Patent number 6,433,219
- Issue date Aug 13, 2002
- BASF Aktiengesellschaft
- Eckhard Ströfer
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for preparing methylenedianiline and methylenebis(phenyl is...
- Publication number 20020132953
- Publication date Sep 19, 2002
- BASF Aktiengesellschaft
- Eckhard Strofer
- C07 - ORGANIC CHEMISTRY