Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9539521 | Method for reprocessing aircraft de-icing agents comprising glycol | — | 2017-01-10 |
| 8865016 | Biodegradable, frost proof heat-transfer fluid, use thereof in near-surface geothermal installations, and a concentrate for preparing same | Michael Waidelich, Johann Schuster, Martina Unterhaslberger, Sabine Dronia | 2014-10-21 |
| 8350080 | Method for the production of acyl glycinates by means of direct oxidation | Peter Klug, Oliver Franke, Franz-Xaver Scherl, Ulf Pruesse, Nadine Decker +1 more | 2013-01-08 |
| 8093414 | Process for preparing acylglycinates by means of direct oxidation | Peter Klug, Oliver Franke, Franz-Xaver Scherl, Ulf Pruesse, Nadine Decker +1 more | 2012-01-10 |
| 7868212 | Method for preparing 1,2-propanediol by hydrogenolysis of glycerol | Oliver Franke | 2011-01-11 |
| 7812200 | Process for preparing 1,2-propanediol by hydrogenolysis of glycerol | Oliver Franke | 2010-10-12 |
| 7404911 | Heat-transfer media having improved thermal stability and based on higher polyglycols | Markus Hafner, Johann Schuster, Stefan Mauerberger | 2008-07-29 |
| 7387768 | Method for purifying gases | Horst Streitberger, Oliver Pfueller, Alexander Snell, Norbert Mollekopf, Hans-Dieter Mueller | 2008-06-17 |
| 7053031 | Cleaning agents for the outer surfaces of means of transport | Ingo Jeschke, Wolfgang Huber | 2006-05-30 |
| 7037442 | Deicing composition and antiicing composition, thickened with sheet silicates | Ingo Jeschke, Mirjana Golub, Sabine Frauenhuber | 2006-05-02 |
| 6955770 | De-icing agent and method for melting snow and ice | Harald Dietl | 2005-10-18 |
| 6921495 | Environmentally compatible defrosting and antifreeze agents for aeroplanes | Ingo Jeschke, Sabine Frauenhuber, Thomas Wladar | 2005-07-26 |
| 6881355 | Antifreeze | Markus Hafner, Gisela Stockbauer, Oliver Pfueller | 2005-04-19 |
| 6391923 | Aqueous polymer dispersion, its preparation and use | Klaus Pollmann, Hendrik Ahrens | 2002-05-21 |
| 6277345 | Process for the purification of gases | Horst Streitberger, Michael Wyschofsky | 2001-08-21 |
| 6149833 | Method of melting snow and/or ice and a deicer comprising sodium formate and sodium chloride | Harald Dietl | 2000-11-21 |
| 6059989 | Deicing composition based on acetates and/or formates, and method for melting snow and ice on traffic areas with the aid of said composition | Wilfried Becker | 2000-05-09 |
| 5922241 | Corrosion-inhibited deicing composition based on alkali metal and/or alkaline earth metal halides, and method of melting snow and ice on traffic areas using the composition | Wilfried Becker | 1999-07-13 |
| 5238592 | Liquid de-icing agent based on acetates and process for melting snow and ice on traffic surfaces with the aid of this agent | Josef Kapfinger, Gerhard Bettermann | 1993-08-24 |
| 5071454 | Process for the removal of a solvent mixture from a gas stream | Horst Streitberger | 1991-12-10 |
| 4898992 | Process for the preparation of alkylene glycol dialkyl ethers | Hildegard Schulz | 1990-02-06 |