Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10858330 | Method and an apparatus for separating furfural | Juha Tamper, Nadia Galeotti, Fabian Jirasek, Jakob Burger | 2020-12-08 |
| 10377689 | Process for preparing polyoxymethylene dimethyl ethers from formaldehyde and methanol in aqueous solutions | Jakob Burger, Niklas Schmitz, Eckhard Stroefer | 2019-08-13 |
| 9346727 | Process for the production of pure methylal | Jan-Oliver Drunsel, Jakob Burger, Ulrich Schmidt, Mario Renner, Sergej Blagov | 2016-05-24 |
| 8523979 | Removal of acid gases by means of an absorbent comprising a stripping aid | Hugo Rafael Garcia Andarcia, Ralf Notz, Georg Sieder, Oliver Spuhl, Inga Toennies +2 more | 2013-09-03 |
| 7999140 | Method for the production of polyoxymethylene dialkyl ethers from trioxan and dialkylethers | Eckhard Stroefer, Heiner Schelling, Sergej Blagov | 2011-08-16 |
| 7827820 | Thermodynamic machine and method for absorbing heat | Thomas Weimer, Michael Hackner, Norbert Stroh, Eckehart Walitza | 2010-11-09 |
| 7713387 | Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification | Markus Siegert, Neven Lang, Eckhard Ströfer, Achim Stammer, Thorsten Friese | 2010-05-11 |
| 7700809 | Process for preparing polyoxymethylene dimethyl ethers from methanol and formaldehyde | Eckhard Stroefer, Sergej Blagov | 2010-04-20 |
| 7671240 | Method for producing polyoxymethylene dimethyl ethers from methanol and formaldehyde | Eckhard Stroefer, Sergej Blagov | 2010-03-02 |
| 7666813 | Absorption medium and deacidification of fluid streams | Frank Hoefer, Norbert Asprion, Iven Clausen | 2010-02-23 |
| 7414159 | Separation of liquid mixtures in a film evaporator | Eckhard Stroefer, Neven Lang, Ute Lichtfers, Ulrich Steinbrenner | 2008-08-19 |
| 7390932 | Method for preparing highly concentrated, gaseous formaldehydes | Eckard Stroefer, Neven Lang, Ulrich Steinbrenner, Michael Ott, Thomas Grützner | 2008-06-24 |
| 7345207 | Production of high-concentration formaldehyde solutions | Eckhard Stroefer, Neven Lang, Thomas Grützner, Michael Ott | 2008-03-18 |
| 7273955 | Method for thermal stabilization of highly concentrated formaldehyde solutions | Eckard Stroefer, Thomas Grützner | 2007-09-25 |
| 7241365 | Material for a facility for the production of anhydrous formic acid | Heinz Auer, Bernd Bessling, Hans Hammer, Friedrich Sauer, Maximilian Vicari +2 more | 2007-07-10 |
| 7193115 | Highly concentrated formaldehyde solution, production and reaction thereof | Eckhard Ströfer, Martin Sohn, Klemens Schilling | 2007-03-20 |
| 6867329 | Waste water treatment in a method for producing formic acid which is free of water | Heinz Auer, Bernd Bessling, Hans Hammer, Friedrich Sauer, Maximilian Vicari +1 more | 2005-03-15 |
| 6841700 | Method for producing anhydrous formic acid | Heinz Auer, Bernd Bessling, Hans Hammer, Friedrich Sauer, Maximilian Vicari +1 more | 2005-01-11 |
| 6838579 | Utilization of an extracting agent as antifoaming agent in the production of anhydrous formic acid | Heinz Auer, Bernd Bessling, Hans Hammer, Friedrich Sauer, Maximilian Vicari +2 more | 2005-01-04 |
| 6833057 | Pure ethylene oxide distillation process | Bernd Bessling, Jürgen Plückhan, Thomas Mayer, Heinz Auer | 2004-12-21 |
| 6696603 | Method for cleaning off-gas flows | Heinz Auer, Bernd Bessling, Hans Hammer, Friedrich Sauer, Maximilian Vicari +2 more | 2004-02-24 |
| 6610888 | Reaction of a solution comprising a mixture | Eckhard Ströfer, Stephan Scholl | 2003-08-26 |
| 6605192 | Method for producing highly pure monoethylene glycol | Gerhard Theis, Till Adrian, Bernd Bessling, Frans Vansant | 2003-08-12 |
| 6514388 | Method for producing highly pure monoethylene glycol | Till Adrian, Bernd Bessling, Frans Vansant, Gerhard Theis | 2003-02-04 |
| 6196811 | Contraction machine | — | 2001-03-06 |