| 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 |
$1,296,000 |
| 7193115 |
Highly concentrated formaldehyde solution, production and reaction thereof |
Eckhard Ströfer, Martin Sohn, Klemens Schilling |
2007-03-20 |
$649,000 |
| 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 |
$297,000 |
| 6841700 |
Method for producing anhydrous formic acid |
Heinz Auer, Bernd Bessling, Hans Hammer, Friedrich Sauer, Maximilian Vicari +1 more |
2005-01-11 |
$659,000 |
| 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 |
$653,000 |
| 6833057 |
Pure ethylene oxide distillation process |
Bernd Bessling, Jürgen Plückhan, Thomas Mayer, Heinz Auer |
2004-12-21 |
$836,000 |
| 6696603 |
Method for cleaning off-gas flows |
Heinz Auer, Bernd Bessling, Hans Hammer, Friedrich Sauer, Maximilian Vicari +2 more |
2004-02-24 |
$253,000 |
| 6610888 |
Reaction of a solution comprising a mixture |
Eckhard Ströfer, Stephan Scholl |
2003-08-26 |
$621,000 |
| 6605192 |
Method for producing highly pure monoethylene glycol |
Gerhard Theis, Till Adrian, Bernd Bessling, Frans Vansant |
2003-08-12 |
$924,000 |
| 6514388 |
Method for producing highly pure monoethylene glycol |
Till Adrian, Bernd Bessling, Frans Vansant, Gerhard Theis |
2003-02-04 |
$384,000 |
| 6196811 |
Contraction machine |
— |
2001-03-06 |
|
