Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433112 | &pgr;-complex compounds | Karl-Heinz Aleksander Ostoja-Starzewski, Warren Mark Kelly | 2002-08-13 |
| 6414098 | Catalyst system for olefin polymerization | Rudiger Engehausen, Wolfgang Nentwig, Michael Arndt-Rosenau, Oliver Pyrlik, Maud Guillemot | 2002-07-02 |
| 6399726 | Method for the copolymerization of conjugated diolefins (dienes) and vinyl-aromatic monomers with rare-earth catalysts and use of the copolymers in rubber mixtures for tire applications | Heike Windisch, Jurgen Trimbach, Ellen Giebeler, Rudiger Engehausen | 2002-06-04 |
| 6392107 | Process for isomerizing dichlorobutenes | — | 2002-05-21 |
| 6387837 | Polymerization-initiating supported systems | Michael Dauben, Martin Hoch, Christiane Oppenheimer-Stix | 2002-05-14 |
| 6372930 | Polymeric ligands, polymeric metallocenes, catalyst systems, preparation, and use | Helmut G. Alt, M. Bruce Welch, Bernd Peifer, Syriac J. Palackal | 2002-04-16 |
| 6255245 | Process for the preparation of supported polymerization catalyst systems and use thereof in the homo-and co-polymerization of unsaturated monomers | Hans-Rafael Winkelbach, Wolfgang Nentwig | 2001-07-03 |
| 6124414 | Fluorenyl-containing polymeric metallocene catalyst systems | Bernd Peifer, Syriac J. Palackal, M. Bruce Welch, Helmut G. Alt | 2000-09-26 |
| 6057410 | Polymeric ligands, polymeric metallocenes, catalyst systems, preparation, and use | Helmut G. Alt, Bernd Peifer, Syriac J. Palackal, M. Bruce Welch | 2000-05-02 |
| 6040402 | Polymeric ligands, polymeric metallocenes, catalyst systems, preparation, and use | Bernd Peifer, Syriac J. Palackal, M. Bruce Welch, Helmut G. Alt | 2000-03-21 |
| 5770755 | Process to prepare polymeric metallocenes | Helmut G. Alt, Bernd Peifer, Syriac J. Palackal, M. Bruce Welch | 1998-06-23 |
| 5668230 | Olefin polymerization | Helmut G. Alt, M. Bruce Welch | 1997-09-16 |