Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8202959 | Process for preparing polymers from 3-methylbut-1-ene | Michael Grass, Franz Nierlich, Stefanie Derlin, Klaus-Diether Wiese, Dagmara Ortmann | 2012-06-19 |
| 8138293 | Process for preparing polymers from 3-methylbut-1-ene | Michael Grass, Franz Nierlich, Stefanie Derlin, Klaus-Diether Wiese, Dagmara Ortmann | 2012-03-20 |
| 7351678 | Catalyst systems for Ziegler-Natta propene polymerisation | Kartin Köhler, Herbert Schumann, Birgit Wassermann, Wilfried Wassermann, Katharina Lange +6 more | 2008-04-01 |
| 7238757 | Oxygen-containing organoaluminium complexes as cocatalysts | Katrin Koehler, Eike Poetsch, Jens Eichhorn, Herbert Schumann, Birgit Wassermann +5 more | 2007-07-03 |
| 6534606 | Catalyst system for the Ziegler-Natta polymerization of olefins | Katrin Kohler, Eike Poetsch, Herbert Schumann, Sebastian Dechert, Andre Laban +3 more | 2003-03-18 |
| 6410661 | Stereorigid metallocene compounds | Frank Kueber, Berthold Schiemenz, Ralf Werner, Anne-Meike Schauwienold, Frank Freidanck | 2002-06-25 |
| 6291615 | Catalyst system, the use thereof in the polymerization of dienes in a solution, suspension and vapor phase and the use of diene rubbers produced therewith | Michael Dauben, Rudiger Engehausen, Heinz Greve, Wolfgang Nentwig, Christian Strubel +1 more | 2001-09-18 |
| 5204429 | Process for the preparation of an olefin polymer | Regina Spiehl | 1993-04-20 |
| 4933403 | Process for the preparation of optically active polyolefins | Stefan Norbert Rudiger Niedoba | 1990-06-12 |
| 4871426 | Process for reprocessing waste material | Hans Lechert, Volkert Woebs-Gosch, Song Qun, Hansjorg Sinn | 1989-10-03 |
| 4849487 | 1-olefin stereoblock polymer, and a process for its preparation | Maria Buschermohle | 1989-07-18 |
| 4841004 | Process for the preparation of a 1-olefin stereoblock polymer | Maria Buschermohle | 1989-06-20 |
| 4769510 | Process for the preparation of polyolefins | Klaus Kulper, Maria Buschermohle, Hartmut Luker | 1988-09-06 |
| 4544762 | Process for the preparation of oligomeric aluminoxanes | Heinrich Hähnsen | 1985-10-01 |
| 4542199 | Process for the preparation of polyolefins | Heinrich Hähnsen, Klaus Kulper, Rudiger Woldt | 1985-09-17 |
| 4431788 | Process for producing starch/polyolefin polymer compositions | — | 1984-02-14 |
| 4404344 | Preparing ethylene polymers using Ziegler catalyst comprising cyclodienyl compound of zirconium | Hansjorg Sinn, Hans-Jurgen Vollmer, Rudiger Woldt | 1983-09-13 |
| 4203804 | Apparatus for the pyrolysis of pieces of rubber or like material, especially used motor vehicle tires | Jörg Janning, Hansjorg Sinn, Stanislav Tysarcyk | 1980-05-20 |