Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7208609 | Method for producing thioctic acid | Peter Meisel, Gilbert Muller | 2007-04-24 |
| 7157253 | Method for the production of (r)- and (S)-8-chloro-6-hydroxyoctanic acid alkyl esters by enzymatic reduction | Michael Muller, Wolfgang Sauer | 2007-01-02 |
| 7030251 | Modifications of the trometamol salt of R-thioctic acid as well as a process for their production | Wolfgang Sauer, Annegret Jannasch | 2006-04-18 |
| 6844449 | Modifications of the trometamol salt of R-thioctic acid as well as a process for their production | Wolfgang Sauer, Annegret Jannasch | 2005-01-18 |
| 6229042 | Process for the preparation of enantiomerically pure 3-hydroxyoctanedioic acid diesters by asymmetric catalytic hydrogenation | Rainer Gewald | 2001-05-08 |
| 6013833 | Process for the preparation of enantiomerically pure 3-hydroxyoctanedioic acid diesters by asymmetric catalytic hydrogenation | Rainer Gewald | 2000-01-11 |
| 5994393 | Alpha-lipoic acid with novel modification | Thomas Beisswenger, 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, Thomas Beisswenger | 1999-11-02 |
| 5869713 | (+)- or (-) -8-halogen-6-hydroxy-octanoic acid, its salts and esters, and process for making | Rainer Gewald, Thomas Beisswenger | 1999-02-09 |
| 5731448 | (+) and (-)-8-chloro-6-sulfonyloxy-octanoic acid, its derivatives, and methods for making | Rainer Gewald, Thomas Beisswenger | 1998-03-24 |
| 5306721 | 3-(mercaptoalkyl)quinazoline | Siegfried Leistner, Michael Gutschow, Karl Drossler, Helmut Vieweg, Gunther Wagner +4 more | 1994-04-26 |