Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734257 | Block copolymer based on conjugated diolefins and polar monomers | Werner Obrecht, Cristina Stere, Thomas Scholl, Oskar Nuyken, Lars Friebe +1 more | 2004-05-11 |
| 6706830 | Copolymerization of conjugated dienes with non-conjugated olefins by means of rare earth catalysts | Gerd Sylvester, Rudolf Taube, Steffen Maiwald, Jurgen Giesemann, Thomas Rosenstock | 2004-03-16 |
| 6570031 | Dendrimer compounds, method for the production thereof, use thereof as catalysts | Sigurd Becke, Uwe Denninger, Michael Mager | 2003-05-27 |
| 6566465 | Method for polymerizing conjugated diolefins (dienes) with catalysts based on vanadium compounds in the presence of vinylaromatic solvents | Werner Obrecht, Gisbert Michels, Norbert Steinhauser | 2003-05-20 |
| 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 | Jurgen Trimbach, Peter Schertl, Ellen Giebeler, Rudiger Engehausen | 2002-06-04 |
| 6383971 | Catalyst with a base consisting of compounds of the rare earth metals for polymerizing unsaturated organic compounds | — | 2002-05-07 |
| 6365537 | Two-component supported catalysts and their use for gas-phase polymerization | Norbert Steinhauser | 2002-04-02 |
| 6310151 | Method for polymerizing conjugated diolefins (dienes) with catalysts based on cobalt compounds in the presence of vinylaromatic solvents | Werner Obrecht, Gisbert Michels, Norbert Steinhauser | 2001-10-30 |
| 6284697 | Compounds of the rare earths and their use as polymerization catalysts for unsaturated compounds | Gerd Sylvester, Rudolf Taube, Steffen Maiwald | 2001-09-04 |
| 6093674 | Supported cobalt catalyst, production thereof and use thereof for the polymerization of unsaturated compounds | Gerd Sylvester | 2000-07-25 |
| 5965678 | Catalyst system based on monoazadiene metal complexes | Sigurd Becke, Joachim Scholz, Steffen Kahlert | 1999-10-12 |
| 5958820 | Gas-phase polymerisation of conjugated dienes in the presence of rare earth allyl compounds | Rudolf Taube, Steffen Maiwald, Thomas Ruhmer, Jurgen Giesemann, Gerd Sylvester | 1999-09-28 |