Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 6516537 | Method for drying and producing microporous particles | Friedhelm Teich, Herbert Köster, Horst Kratzer, Wolfgang Reichert, Martin Gall +1 more | 2003-02-11 |
| 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 |
| 6299734 | Preparation of an aqueous solution of free hydroxylamine | Otto Watzenberger, Peter Mauer, Eckhard Ströfer, Hans-Michael Schneider | 2001-10-09 |
| 6153799 | Method for producing highly pure aqueous hydroxylamine solutions | Otto Watzenberger, Peter Pfab, Eckhard Ströfer | 2000-11-28 |