Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6300434 | Propylene-ethylene copolymers made from three different constituents | Harald Schwager | 2001-10-09 |
| 6034023 | Preparation of Ziegler-Natta catalyst systems | Meinolf Kersting, Klaus-Dieter Hungenberg, Peter Koelle | 2000-03-07 |
| 5773537 | Ziegler-natta catalyst systems containing specific organosilicon compounds | Patrik Mueller, Klaus-Dieter Hungenberg, Ralf Zolk | 1998-06-30 |
| 5753773 | Multiphase block of propylene, comprising copolymers of propylene | Franz Langhauser, Patrik Mueller, Meinolf Kersting, Guenther Schweier | 1998-05-19 |
| 5618895 | Process for preparing copolymers of propylene with other 1-alkenes | Peter Koelle, Ralf Zolk, Harald Schwager | 1997-04-08 |
| 5536789 | Propylene polymers having a broad molecular weight ratio Q | Harald Schwager, Peter Koelle, Rueger Schlund, Ralf Zolk, Guenther Schweter +2 more | 1996-07-16 |
| 5476905 | Grafted, crosslinked and crosslinkable | Harald Schwager, Thomas Muehlenbernd, Bernd Lothar Marczinke, Hans-Joachim Mueller | 1995-12-19 |
| 5461113 | Propylene graft copolymers | Bernd Lothar Marczinke, Patrik Mueller | 1995-10-24 |
| 5461119 | Olefin polymers partially crosslinked with bismaleimido compounds | Bernd Lothar Marczinke, Harald Schwager | 1995-10-24 |
| 5451639 | Propylene copolymers grafted using free radical initiators | Bernd Lothar Marczinke, Patrik Mueller, Horst Baumgartl, Peter Ittemann | 1995-09-19 |
| 5344885 | Preparation of propylene-ethylene copolymers | Meinolf Kersting, Klaus-Dieter Hungenberg, Patrik Mueller, Peter Koelle | 1994-09-06 |
| 5321189 | Preparation of propene oligomers | Hans-Joachim Mueller, Bernd Lothar Marczinke, Rainer Konrad, Guenther Schweier, Max Strohmeyer +1 more | 1994-06-14 |
| 5296431 | Ziegler-natta catalyst systems containing organometallic compounds | Klaus-Dieter Hungenberg | 1994-03-22 |
| 5288824 | Preparation of homo- and copolymers of propene by means of a Ziegler-Natta catalyst system | Rainer Hemmerich, Peter Koelle, Patrik Mueller | 1994-02-22 |
| 5166113 | Zieger-natta-type catalyst systems | Harald Schwager, Peter Koelle, Ralf Zolk | 1992-11-24 |
| 5162465 | Preparation of homopolymers and copolymers of propene using a Ziegler-Natta catalyst system | Ralf Zolk, Rainer Hemmerich | 1992-11-10 |
| 5147928 | Preparation of propylene-ethylene copolymers | Harald Schwager, Ralf Zolk | 1992-09-15 |
| 5081088 | Ziegler-Natta-type catalyst systems | Peter Koelle | 1992-01-14 |
| 5077322 | Foams based on an olefin copolymer | Isidoor De Grave, Joachim Fischer, Wolfram Koegel, Hermann Tatzel, Onno Graalmann +1 more | 1991-12-31 |
| 5034481 | Avoidance of colored impurities in the preparation of ultrahigh molecular weight ethylene polymers by means of a titanium-containing catalyst system | Guido Funk, Siegfried Weber, Rainer Hemmerich | 1991-07-23 |
| 5006620 | Preparation of homopolymers and copolymers of propene by means of a Ziegler-Natta catalyst system | Ralf Zolk, Rainer Hemmerich | 1991-04-09 |
| 4977210 | Preparation of propylene/ethylene polymers of the toughened polypropylene type | Rainer A. Werner, Ralf Zolk, Klaus-Dieter Ruempler, Guenther Schweier, Rudolf Mueller-Mall +1 more | 1990-12-11 |
| 4900798 | Preparation of ethene polymers using a ziegler catalyst system | Rudolf Mueller-Mall, Guenther Schweier | 1990-02-13 |
| 4857613 | Preparation of homopolymers and copolymers of propene using a Ziegler-Natta catalyst system | Ralf Zolk, Rainer Hemmerich | 1989-08-15 |
| 4713430 | Preparation of ethene polymers by means of a Ziegler catalyst system | Heinz Vogt | 1987-12-15 |