Wolfgang Littmann

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Mannheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of 2-amino-3-cyano-5-dialkoxymethylpyrazines and interm...
- Patent number 4,725,689
- Issue date Feb 16, 1988
- BASF Aktiengesellschaft
- Hartmut Leininger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
.alpha.-(o-chlorophenyl)-aminomethylene-.beta.-formylaminopropionit...
- Patent number 4,716,243
- Issue date Dec 29, 1987
- BASF Aktiengesellschaft
- Hansgeorg Ernst
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-amino-3,5-di-(halomethyl)-pyrazines and their preparation
- Patent number 4,692,527
- Issue date Sep 8, 1987
- BASF Aktiengesellschaft
- Hartmut Leininger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
.alpha.-Aminomethylene-.beta.-formylaminopropionitrile and its manu...
- Patent number 4,226,799
- Issue date Oct 7, 1980
- BASF Aktiengesellschaft
- Wolfgang Bewert
- C07 - ORGANIC CHEMISTRY