| 10676451 |
Process for purifying propylene oxide |
Joaquim Henrique Teles, Marvin KRAMP, Christian Mueller, Nicolai Tonio Woerz, Bernd Metzen +9 more |
2020-06-09 |
|
| 10544115 |
Process for the preparation of propylene oxide |
Dominic RIEDEL, Joaquim Henrique Teles, Ulrike Wegerle, Ulrich Mueller, Andrei-Nicolae Parvulescu +7 more |
2020-01-28 |
|
| 10435381 |
Process for preparing propylene oxide |
Joaquim Henrique Teles, Marvin KRAMP, Christian Mueller, Nicolai Tonio Woerz, Bernd Metzen +10 more |
2019-10-08 |
|
| 10252912 |
Separation of a phosgene- and hydrogen chloride-comprising stream |
Torsten Mattke, Hans-Juergen Pallasch, Kai Thiele |
2019-04-09 |
|
| 9302983 |
Process for preparing isocyanates |
Vanessa Simone Lehr, Torsten Mattke, Carsten Knoesche, Gerhard Olbert |
2016-04-05 |
|
| 8993803 |
Method for producing phosgene |
Gerhard Olbert, Kai Thiele, Byoung-Yeon Kim |
2015-03-31 |
|
| 8969615 |
Process for preparing isocyanates |
Vanessa Simone Lehr, Torsten Mattke, Carsten Knösche, Gerhard Olbert |
2015-03-03 |
|
| 8907124 |
Process for preparing methylenedi(phenyl isocyanate) |
Michael Bock, Kai Thiele |
2014-12-09 |
|
| 8853443 |
Process for preparing an isocyanate |
Daniel Breuninger, Johannes Adam, Eckhard Stroefer, Markus Kraemer, Matthias Eiermann +3 more |
2014-10-07 |
|
| 8853444 |
Processes for preparing 4-chlorobenzenesulfonic acid and 4,4′-dichlorodiphenyl sulfone |
Patrick Deck, Florian Garlichs |
2014-10-07 |
|
| 8841480 |
Process for the preparation of light-colored iocyanates of a diphenylmethanediisocyanate series |
Hans-Juergen Pallasch, Eckhard Stroefer, Jon S. Speier, Byoung-Yeon Kim |
2014-09-23 |
|
| 8759569 |
Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation |
Ulrich Penzel, Eckhard Stroefer, Matthias Eiermann, Jon S. Speier, Kai Thiele +1 more |
2014-06-24 |
|
| 8748655 |
Process for preparing light-coloured isocyanates of the diphenylmethane series |
Jon S. Speier, Eckhard Stroefer, Byoung-Yeon Kim |
2014-06-10 |
|
| 8716517 |
Method for producing diisocyanates by gas-phase phosgenation |
Torsten Mattke, Gerhard Olbert, Carsten Knoesche |
2014-05-06 |
|
| 8614352 |
Method for producing color-stable MDA and MDI |
Eckhard Stroefer, Robert Reinhardt, Michael Zoellinger, Daniel Breuninger, Markus Kraemer +2 more |
2013-12-24 |
|
| 8519179 |
Method of measuring entry of water into phosgene-conducting plants |
Ulrich Penzel, Eckhard Stroefer, Dirk Hablawetz, Dave Beckwith, Kai Thiele +6 more |
2013-08-27 |
|
| 8088950 |
Process for the preparation of triamides from ammonia and amido-dichlorides |
Michael Bock, Oliver Huttenloch, Patrick Deck, Oliver Bey, Markus Siegert |
2012-01-03 |
|
| 7999140 |
Method for the production of polyoxymethylene dialkyl ethers from trioxan and dialkylethers |
Eckhard Stroefer, Hans Hasse, Sergej Blagov |
2011-08-16 |
|
| 7819949 |
Process for extracting (chlorinated) hydrocarbon-free hydrogen chloride and phosgene-free (chlorinated) hydrocarbons from a hydrogen chloride stream containing (chlorinated) hydrocarbons and phosgene |
Martin Sesing, Juergen Ciprian, Filip Deberdt, Martin Karches, Olga Schubert |
2010-10-26 |
|
| 6758946 |
Recycling hydroxylamine-containing stripper solutions |
Otto Watzenberger |
2004-07-06 |
$427,000 |
| 6516537 |
Method for drying and producing microporous particles |
Friedhelm Teich, Herbert Köster, Horst Kratzer, Wolfgang Reichert, Martin Gall +1 more |
2003-02-11 |
$353,000 |
| 6438867 |
Method for drying and producing microporous particles and a drying device |
Friedhelm Teich, Herbert Köster, Horst Kratzer, Wolfgang Reichert, Martin Gall +1 more |
2002-08-27 |
$356,000 |
| 6299734 |
Preparation of an aqueous solution of free hydroxylamine |
Otto Watzenberger, Peter Mauer, Eckhard Ströfer, Hans-Michael Schneider |
2001-10-09 |
$325,000 |
| 6153799 |
Method for producing highly pure aqueous hydroxylamine solutions |
Otto Watzenberger, Peter Pfab, Eckhard Ströfer |
2000-11-28 |
$180,000 |
