Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827858 | Method for separating alkali metal ions from alkoxylates | Joachim Bader, Hans-Heinrich Bechtolsheimer, Armin Brucker, Toni Dockner, Gabriele Iffland +3 more | 2004-12-07 |
| 6329558 | Method for producing alkylene glycol with a low carbonyl compound content | Toni Dockner | 2001-12-11 |
| 6299737 | Recovery of glycols from used glycol-containing technical fluids | Wolf-Dieter Balzer | 2001-10-09 |
| 6300304 | Propoxylated/ethoxylated polyalkyleneimine dispersants | Dieter Boeckh, Michael Ehle, Angelika Funhoff, James Albert Cleary, Shulin Zhang +1 more | 2001-10-09 |
| 6265592 | Method for the continuous production of 1,3-dioxolan-2-ones | Stefan Birnbach, Toni Dockner, Regina Benfer, Walter Bieg, Jarren Peters +3 more | 2001-07-24 |
| 6156720 | Propoxylated/ethoxylated polyalkyleneimine dispersants | Dieter Boeckh, Michael Ehle, Angelika Funhoff, James Albert Cleary, Shulin Zhang +1 more | 2000-12-05 |
| 6133489 | Obtaining glycols of low aldehyde content | Frans Vansant | 2000-10-17 |
| 6114464 | Thermosetting aqueous compostions | Bernd Reck, Eckehardt Wistuba, Wilhelm Friedrich Beckerle, Axel Kistenmacher, Joachim Roser | 2000-09-05 |
| 6066232 | Method and vaporizer for vaporizing oxidation-sensitive compounds | Frans Vansant, Axel Werner Polt, Stephan Scholl, Siegfried Kruger, Hartmut Staatz | 2000-05-23 |
| 5919275 | Fuel and lubricant additives, their preparation and fuel or lubricant compositions containing these additives | Knut Oppenlander, Hans-Joachim Muller, Dietmar Posselt, Wolfgang H. H. Gunther | 1999-07-06 |
| 5846453 | Process for producing oligoamines or polyamines | Wolfgang Knauf, Wolf-Dieter Balzer, Knut Oppenlander, Wilhelmus Slotman | 1998-12-08 |
| 5672614 | Pharmaceutical use of pyridine-2,4- and -2,5-dicarboxylic acid amides | Martin Bickel, Dietrich Brocks, Harald Burghard, Volkmar Gunzler, Stephan Henke +2 more | 1997-09-30 |
| 5512586 | Medicaments based on pyridine-2,4- and 2,5-dicarboxylic acid amides | Martin Bickel, Dietrich Brocks, Harald Burghard, Volkmar Gunzler, Stephan Henke +2 more | 1996-04-30 |
| 5153208 | Pyridine-2,4- and -2,5-dicarboxylic acid amides and their medicinal compositions and methods of use | Martin Bickel, Dietrich Brocks, Harald Burghard, Volkmar Gunzler, Stephan Henke +2 more | 1992-10-06 |
| 5037839 | Pyridine-2,4-and -2,5-dicarboxylic acid amides and medicaments based on these compounds | Martin Bickel, Dietrich Brocks, Harald Burghard, Volkmar Gunzler, Stephan Henke +2 more | 1991-08-06 |
| 4717727 | Esters of pyridine-2,4- and 2,5-dicarboxylic acid as medicaments for the inhibition of proline hydroxylase and lysine hydroxylase | Volkmar Gunzler, Hartmut Hanauske-Abel, Georg Tschank, Kari Kivirikko, Kari Majamaa +1 more | 1988-01-05 |