Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11629206 | Process for preparing high-reactivity isobutene homo- or copolymers | Rosa Corberan Roc, Klaus Muehlbach, Sergei V. Kostjuk, Irina Vasilenko, Dmitryi Shiman | 2023-04-18 |
| 11359034 | Process for preparing high-reactivity isobutene homo- or copolymers | Rosa Corberan Roc, Klaus Muehlbach, Sergei V. Kostjuk, Irina Vasilenko, Dmitryi Shiman | 2022-06-14 |
| 11072570 | Process for continuously preparing polyisobutylene | Stefan Hirsch, Markus Brym, Markus Weis | 2021-07-27 |
| 10975180 | Process for preparing high-reactivity isobutene homo- or copolymers | Rosa Corberan Roc, Klaus Muehlbach, Sergei V. Kostjuk, Irina Vasilenko, Dmitryi Shiman | 2021-04-13 |
| 10975175 | Process for preparing high-reactivity isobutene homo- or copolymers | Rosa Corberan Roc, Klaus Muehlbach, Sergei V. Kostjuk, Irina Vasilenko, Dmitryi Shiman +1 more | 2021-04-13 |
| 10968294 | Process for preparing high-reactivity isobutene homo- or copolymers | Rosa Corberan Roc, Klaus Muehlbach, Sergei V. Kostjuk, Irina Vasilenko, Dmitryi Shiman | 2021-04-06 |
| 9963521 | Process for preparing higher molecular weight polyisobutylene | Stefan Hirsch, Markus Brym, Markus Weis, Rosa Corberan Roc, Klaus Muehlbach +3 more | 2018-05-08 |
| 9688791 | High-reactivity polyisobutylene having a high content of vinylidene double bonds in the side chains | Stefan Hirsch, Markus Brym, Markus Weis | 2017-06-27 |
| 9458262 | Process for preparing isobutene homopolymers or copolymers | Hannah Maria Koenig, Rainer Urban, Klaus Muehlbach, Uwe Rachwalsky, Stefan Hirsch +2 more | 2016-10-04 |
| 8969493 | Process and apparatus for continuously polymerizing cationically polymerizable monomers | Wolfgang Mattmann, Wolfgang Loth, Phillip Hanefeld, Elke Guetlich-Hauk, Andreas Daiss | 2015-03-03 |
| 8853336 | Boron trifluoride-catalyst complex and process for preparing high-reactivity isobutene homopolymers | Stefan Hirsch, Markus Brym, Markus Weis | 2014-10-07 |
| 8697820 | Process for preparing high-reactivity isobutene homo- or copolymers | Hannah Maria Koenig, Klaus Muehlbach, Ulrich Eichenauer, Herbert Mayr | 2014-04-15 |
| 7932332 | Isobutene polymerisation in the presence of a donor and fluorinated acids complex | Mirjam Herrlich-Loos, Christian Drohmann, Darijo Mijolovic, Helmut Mach | 2011-04-26 |
| 7753970 | Polyalkene amines with improved applicational properties | Marco Bergemann, Harald Schwahn, Dietmar Posselt, Erich K. Fehr, Klaus Diehl +1 more | 2010-07-13 |
| 7745554 | Method for producing a polyisobutene | Hans Peter Rath, Helmut Mach | 2010-06-29 |
| 7662900 | Method for producing polyisobutene | Volker Seidl, Carolin Nadine Duecker, Alexandra Wiedemann, Uwe Rachwalsky, Marco-Christian Volland +4 more | 2010-02-16 |
| 7399404 | Reduction of the content of compounds containing oxygen and/or nitrogen in material flows containing isobutene | Dirk Borchers | 2008-07-15 |
| 7049383 | Polyisobutene composition | Heinz Auer, Dirk Borchers | 2006-05-23 |
| 7038008 | Method for the processing of a liquid reaction discharge of the cationic polymerization of isobutene | Dirk Borchers, Heinz Auer | 2006-05-02 |
| 6939943 | Method for deactivating and recovering boron trifluoride when producing polyisobutenes | Dirk Borchers, Wim Verrelst, Hans Peter Rath | 2005-09-06 |
| 6846903 | Method for producing polyisobutylenes | Dirk Borchers, Wim Verrelst, Hans Peter Rath | 2005-01-25 |
| 6710140 | Method for producing polyisobutenes | Dirk Borchers, Wim Verrelst, Hans Peter Rath | 2004-03-23 |
| 5942645 | Hydrogenation of aromatic compounds in which at least one hydroxyl group is bonded to an aromatic ring | Heinz Rutter, Thomas Ruhl, Boris Breitscheidel, Jochem Henkelmann | 1999-08-24 |
| 5929260 | Hydrogenation using magnetic catalysts | Claudius Kormann, Ekkehard Schwab, Jochem Henkelmann | 1999-07-27 |
| 5886209 | Preparation of 2-(4-hydroxyphenoxy) propionates | Manfred Dimmler, Bernd Hupfeld, Jochem Henklemann | 1999-03-23 |