Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6350829 | Supported catalyst systems | John Lynch, Hans-Helmut Görtz, Gunther Schweier | 2002-02-26 |
| 6326444 | Preparation of polymers of alkenes by suspension polymerization | John Lynch, Hans-Helmut Görtz, Gunther Schweier | 2001-12-04 |
| 6308943 | Device for clamping workpiece to a surface | Rudolf Kohlert | 2001-10-30 |
| 6281304 | Preparation of polymers of vinylaromatic compounds under superatmospheric pressure in the presence of volatile hydrocarbons | Josef Wunsch | 2001-08-28 |
| 6265339 | Process for preparing carrier-borne transition metal catalysts | Wolfgang Bidell, Franz Langhauser, Ulrich Moll, Ian David McKenzie, Roland Hingmann +5 more | 2001-07-24 |
| 6248829 | Polymers of propene | John Russell Grasmeder, Heike Gregorius, Stefan Seelert, Franz Langhauser, Wolfgang Micklitz +1 more | 2001-06-19 |
| 6197900 | Preparation of multiphase homo- or copolymers of C2-C10-alk-1-enes in one reaction zone | Stefan Seelert, Franz Langhauser, Jurgen Kerth, Patrik Müller, Gunther Schweier | 2001-03-06 |
| 6121391 | Process for the preparation of polymerisates of vinyl aromatic compounds in a stage using double screw extruders | Josef Wunsch, Jurgen Hofmann, Thomas Kessler | 2000-09-19 |
| 6100353 | Supported metallocene catalyst systems | John Lynch, Franz Langhauser, Hans-Helmut Görtz, Jurgen Kerth, Gunther Schweier | 2000-08-08 |
| 6022935 | Preparation of polymers of alk-1-enes in the presence of a supported metallocene catalyst system and of antistatic agent | Helmut Frank, Martin Lux, Roland Hingmann, Gunther Schweier | 2000-02-08 |
| 5922819 | Process for producing polymers of vinyl aromatic compounds using polymer-containing catalyst systems | Josef Wunsch, Martin Lux | 1999-07-13 |
| 5912373 | Process for converting the achiral meso form of an ansa-metallocene complex into the chiral racemic form | Franz Langhauser, Jurgen Kerth, Gunther Schweier, Hans-Herbert Brintzinger, Katrin Schmidt | 1999-06-15 |
| 5883277 | Metallocene complexes with cationic bridges | Franz Langhauser, Gunther Schweier, Hans-Herbert Brintzinger, Nadine Leyser | 1999-03-16 |
| 5840950 | Process for converting the achiral meso form or the racemate of an ansa-metallocene complex or mixtures thereof into one of its enantiomers | Franz Langhauser, Rainer Stürmer, Jurgen Kerth, Gunther Schweier, Hans-Herbert Brintzinger +1 more | 1998-11-24 |
| 5831106 | Preparation of bridged metallocene complexes | Franz Langhauser, Gunther Schweier, Hans-Herbert Brintzinger, Hans-Robert-Hellmuth Damrau | 1998-11-03 |
| 5756608 | Polymerization process using metallocene complexes in the catalyst system | Franz Langhauser, Jurgen Kerth, Gunther Schweier, Hans-Herbert Brintzinger, Elke Barsties +1 more | 1998-05-26 |
| 5688881 | Oligomers and polymers of aminoalkenes | Franz Langhauser, Jurgen Kerth, Gunther Schweier, Rolf Muelhaupt, Martin Schneider | 1997-11-18 |
| 5639839 | Oligomers and polymers of aminoalkenes | Franz Langhauser, Jurgen Kerth, Gunther Schweier, Rolf Muelhaupt, Martin Schneider | 1997-06-17 |
| 5627246 | Supported metallocene complexes having heterofunctional groups in the cyclopentadienyl system as catalyst systems | Franz Langhauser, J urgen Kerth, G unther Schweier, Elke Barsties, Hans-Herbert Brintzinger +2 more | 1997-05-06 |
| 5585509 | Metallocene complexes having heterofunctional groups in the cyclopentadienyl system | Franz Langhauser, J urgen Kerth, G unther Schweier, Hans-Herbert Brintzinger, Elke Barsties +1 more | 1996-12-17 |
| 5483002 | Propylene polymers having low-temperature impact strength | Stephan Seelert, Franz Langhauser, Jurgen Kerth, Patrik Müller, Gunther Schweier | 1996-01-09 |
| 5457171 | Catalyst systems for the polymerization of C.sub.2 -C.sub.10 -alkenes | Franz Langhauser, Martin Lux, Rolf Muelhaupt | 1995-10-10 |
| 5301749 | Dual pump floating layer recovery apparatus | Kevin L. Newcomer | 1994-04-12 |
| 5259450 | Vented packer for sampling well | — | 1993-11-09 |
| 5238060 | Sampling pump with packer | K. Lynn Niehaus | 1993-08-24 |