Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8680356 | Catalyst and process for preparing isoolefins | Horst-Werner Zanthoff, Dietrich Maschmeyer, Thomas Quandt, Silvia Santiago Fernandez, Stephan Houbrechts +2 more | 2014-03-25 |
| 8269050 | Process for preparing ethyl tert-butyl ether from technical mixtures of C4 hydrocarbons | Jochen Praefke, Armin Matthias Rix, Silvia Santiago Fernandez, Matthias Groemping, Frank Hoeper +3 more | 2012-09-18 |
| 8202959 | Process for preparing polymers from 3-methylbut-1-ene | Michael Grass, Walter Kaminsky, Stefanie Derlin, Klaus-Diether Wiese, Dagmara Ortmann | 2012-06-19 |
| 8143468 | Process for preparing 3-methylbut-1-ene | Alfred Kaizik, Klaus-Diether Wiese, Dietrich Maschmeyer, Dieter Hess, Wilfried Bueschken | 2012-03-27 |
| 8138293 | Process for preparing polymers from 3-methylbut-1-ene | Michael Grass, Walter Kaminsky, Stefanie Derlin, Klaus-Diether Wiese, Dagmara Ortmann | 2012-03-20 |
| 7977523 | Catalyst and process for preparing isoolefins | Horst-Werner Zanthoff, Dietrich Maschmeyer, Thomas Quandt, Silvia Santiago Fernandez, Stephan Houbrechts +2 more | 2011-07-12 |
| 7977520 | Method for the telomerization of non-cyclic olefins | Cornelia Borgmann, Dirk Roettger, Dagmara Ortmann, Reiner Bukohl, Stephan Houbrechts | 2011-07-12 |
| 7968758 | Process for the dissociation of MTBE | Markus Winterberg, Silvia Santiago Fernandez, Walter Luh, Stephan Houbrechts, Dietrich Maschmeyer +2 more | 2011-06-28 |
| 7932428 | Process for preparing 1-butene from technical mixtures of C4 hydrocarbons | Armin Matthias Rix, Udo Peters, Jochen Praefke, Dirk Rottger | 2011-04-26 |
| 7919662 | Process for the dissociation of MTBE | Markus Winterberg, Walter Luh, Silvia Santiago Fernandez, Stephan Houbrechts, Dietrich Maschmeyer +2 more | 2011-04-05 |
| 7910786 | Process for the dissociation of MTBE | Markus Winterberg, Walter Luh, Silvia Santiago Fernandez, Stephan Houbrechts, Dietrich Maschmeyer +2 more | 2011-03-22 |
| 7683204 | Mixture of alicyclic polycarboxylic acid esters having high cis isomer content | Wilfried Buschken, Michael Graβ, Alfred Kaizik, Dietrich Maschmeyer, Axel Tuchlenski | 2010-03-23 |
| 7645914 | Method for the telomerization of non-cyclic olefins | Cornelia Borgmann, Dirk Roettger, Dagmara Ortmann, Reiner Bukohl, Stephan Houbrechts | 2010-01-12 |
| 7632961 | Method for the production of alicyclic polycarboxylic acid esters from partial esters of aromatic polycarboxylic acids | Wilfried Bueschken, Michael Grass, Alfred Kaizik, Dietrich Maschmeyer, Axel Tuchlenski | 2009-12-15 |
| 7462745 | Method for the production of 2,7-octadienyl derivatives | Cornelia Borgmann, Dirk Roettger, Stephan Houbrechts, Dietrich Maschmeyer | 2008-12-09 |
| 7439413 | Method for the production of isobutene from commericial methyl tert-butly ether | Rainer Malzkorn, Udo Peters, Axel Tuchlenski | 2008-10-21 |
| 7432407 | Hydroisomerization of olefins comprising between 4 and 6 carbon atoms | Andreas Beckmann, Armin Matthias Rix, Udo Knippenberg, Wilfried Bueschken, Ralf Duessel | 2008-10-07 |
| 7368621 | Method for producing 1-octene from crack-C4 | Joerg Krissmann, Dirk Roettger, Cornelia Borgmann, Kerstin Kaemper, Alfred Kaizik +2 more | 2008-05-06 |
| 7342144 | Method for producing 1-olefins by catalytically splitting 1-alkoxyalkanes | Alfred Kaizik, Dietrich Maschmeyer, Dirk Roettger, Cornelia Borgmann | 2008-03-11 |
| 7304188 | Preparation of highly pure methyl tert-butyl ether | Fritz Obenaus, Wilhelm Droste, Bernhard Scholz, Rainer Malzkorn, Udo Peters +3 more | 2007-12-04 |
| 7304200 | Method for separation of substances by extraction or by washing them with ionic liquids | Dirk Roettger, Joerg Krissmann, Peter Wasserscheid, Wilhelm Keim | 2007-12-04 |
| 7179948 | Process for preparing tert-butanol | Bernhard Scholz, Dieter Reusch, Silvia Santiago Fernandez, Andreas Beckmann, Wilfried Bueschken +1 more | 2007-02-20 |
| 7161053 | Oligomerization of isobutene in N-butenic hydrocarbon streams | Andreas Beckmann, Udo Peters, Wilfried Buschken, Lothar Kerker, Dietrich Maschmeyer +1 more | 2007-01-09 |
| 7115787 | Method for producing tert-butanol by means of reactive rectification | Dieter Reusch, Andreas Beckmann, Axel Tuchlenski | 2006-10-03 |
| 7026519 | Obtaining tert-butanol | Silvia Santiago Fernandez, Andreas Beckmann, Dieter Reusch | 2006-04-11 |