Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7872071 | Polyethylene molding composition for coating steel pipes | Joachim Berthold, Heinz Vogt | 2011-01-18 |
| 7427649 | Polyethylene blow molding composition for producing small containers | Joachim Berthold, Peter Krumpel, Rainer Mantel | 2008-09-23 |
| 7402637 | Method for producing a poly-1-olefin in the presence of a Ziegler catalyst | Joachim Berthold | 2008-07-22 |
| 7196152 | Modified Ziegler catalyst, process for preparing it and process for preparing poly-1-olefins in its presence | Frank Alt, Friedhelm Gundert | 2007-03-27 |
| 7008898 | Method for producing a poly-1-olefin in the presence of a ziegler catalyst | Frank Alt, Paul-Richard Schoneborn | 2006-03-07 |
| 6770341 | Polyethylene molding material and pipe produced therewith with improved mechanical properties | Joachim Berthold, Johannes-Friedrich Enderle, Elke Damm, Ulrich Schulte | 2004-08-03 |
| 6713561 | Polyethylene moulding compound with an improved ESCR/stiffness relation and an improved swelling rate, a method for the production thereof and the use thereof | Joachim Berthold, Johannes-Friedrich Enderle, Reinhard Schubbach | 2004-03-30 |
| 6204345 | Suspension polymerization for preparing polyolefins | Joachim Berthold, Johannes Friederich Enderle, Rainer Munnig, Paul-Richard Schoneborn | 2001-03-20 |
| 5917100 | Process for producing low molecular-weight poly-1-olefins | Hans-Friedrich Herrmann, Joachim Berthold, Gerd Hohner, Rainer Lecht, Hans Joachim Vetter | 1999-06-29 |
| 5908679 | Pipe of polyethylene having improved mechanical properties | Joachim Berthold, Werner Breuers, Johannes-Friedrich Enderle, Manfred Fleissner, Rainer Lecht +3 more | 1999-06-01 |
| 5798309 | Process for preparing a poly-1-olefin | Werner Breuers, Rainer Lecht | 1998-08-25 |
| 5750813 | Process for the preparation of polyolefin waxes | Reiner Hess, Hartmut Voigt, Hans-Friedrich Herrmann, Walter Spaleck, Gerd Hohner | 1998-05-12 |
| 5741545 | Process for conditioning organic substrate surfaces | Manfred Eschwey, Rolf van Bonn, Rainer Kaps, Eckard Raddatz | 1998-04-21 |
| 5723705 | Process for the preparation of polyolefin waxes in the presence of a metallocene catalyst and a co-catalyst | Hans-Friedrich Herrmann, Hartmut Voigt, Walter Spaleck, Gerd Hohner | 1998-03-03 |
| 5648309 | Process for the preparation of a poly-1-olefin | — | 1997-07-15 |
| 5338589 | Polyethylene molding composition | Hans-Frieder Enderle, Horst Jarstrow | 1994-08-16 |
| 5292837 | Process for the preparation of ethylene (co)polymers | Andreas Heinrich, Hans-Albrecht Scholz | 1994-03-08 |
| 5202398 | Process for the preparation of a 1-olefin polymer | Martin Antberg, Hartmut Luker | 1993-04-13 |
| 5081322 | Polypropylene wax and process for the production thereof | Andreas Winter, Volker Dolle, Jurgen Rohrmann, Martin Antberg, Walter Spaleck | 1992-01-14 |
| 5071808 | Process for the preparation of a heterogeneous metallocene catalyst component | Martin Antberg, Jurgen Rohrmann | 1991-12-10 |
| 4311752 | Ethylene copolymers and their use for the manufacture of films | Bernd Diedrich, Olaf Heine | 1982-01-19 |