Gustav Lettenbauer

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Lampertheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Pharmaceutical composition containing a stable modification of tora...
- Patent number RE34672
- Issue date Jul 26, 1994
- Boehringer Mannheim GmbH
- Fritz Topfmeier
- 514 - Drug, bio-affecting and body treating compositions
Information Patent Grant
Process for the preparation of a stable modification of torasemide
- Patent number RE34580
- Issue date Apr 5, 1994
- Boehringer Mannheim GmbH
- Fritz Topfmeier
- 546 - Organic compounds
Information Patent Grant
Process for the enrichment and/or isolation of heart glycosides wit...
- Patent number 5,062,959
- Issue date Nov 5, 1991
- Boehringer Mannheim GmbH
- Carl H. Ross
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pharmaceutical composition containing a stable modification of tora...
- Patent number 4,822,807
- Issue date Apr 18, 1989
- Boehringer Mannheim GmbH
- Fritz Topfmeier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of a stable modification of torasemide
- Patent number 4,743,693
- Issue date May 10, 1988
- Boehringer Mannheim GmbH
- Fritz Topfmeier
- C07 - ORGANIC CHEMISTRY