Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6013815 | Production and use of salts of 6,8-bis (amidiniumthio)-octanoic acid | Rainer Gewald, Alfred Olbrich, Horst Bethge, Frank Hubner, Klaus Huthmacher +4 more | 2000-01-11 |
| 5994393 | Alpha-lipoic acid with novel modification | Gunter Laban, Karl-Friedrich Landgraf, Eberhard Oestreich, Matthias Rischer | 1999-11-30 |
| 5977391 | (+)- and (-) -8-halogen-6- hydroxy-octanoic acid its salts and esters and process for making | Rainer Gewald, Gunter Laban | 1999-11-02 |
| 5869713 | (+)- or (-) -8-halogen-6-hydroxy-octanoic acid, its salts and esters, and process for making | Rainer Gewald, Gunter Laban | 1999-02-09 |
| 5760268 | Production and use of salts of 6, 8-bis (amidiniumthio) -octanoic acid | Rainer Gewald, Alfred Olbrich, Horst Bethge, Frank Hubner, Klaus Huthmacher +4 more | 1998-06-02 |
| 5731448 | (+) and (-)-8-chloro-6-sulfonyloxy-octanoic acid, its derivatives, and methods for making | Rainer Gewald, Gunter Laban | 1998-03-24 |
| 5621117 | Method for the racemization of enantiomers of .alpha.-lipoic acid | Horst Bethge, Roland Moeller, Gerhard Sator, Stefan Merget | 1997-04-15 |
| 5455264 | RS-thioctic acid with novel morphology | Horst Bethge, Joachim Goede, Frank Hubner, Klaus Huthmacher, Herbert Klenk +1 more | 1995-10-03 |
| 5281722 | Preparation and use of salts of the pure enantiomers of alpha-lipoic acid | Gottfried Blaschke, Ursula Scheidemantel, Horst Bethge, Roland Moller, Klaus Huthmacher | 1994-01-25 |
| 4523012 | S-substituted 2-azido-3-mercapto-propionic acid ester and process for its production and use | Franz Effenberger | 1985-06-11 |
| 4456766 | Process for the production of N-acetyl-2,3-dehydro-aminocarboxylic acid esters | Franz Effenberger | 1984-06-26 |