Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5710297 | Metallocenes, and their use as catalysts | Thomas Weller, Michael Aulbach, Frank Kuber, Gerhard Erker, Christian Psiorz +1 more | 1998-01-20 |
| 5698645 | Process for preparing cycloolefin copolymers | Thomas Weller, Frank Kuber, Michael Aulbach | 1997-12-16 |
| 5646220 | Cycloolefin block copolymers and a process for their preparation | Michael-Joachim Brekner, Jurgen Rohrmann | 1997-07-08 |
| 5637400 | Cycloolefin copolymers having low melt viscosity and low optical attenuation | Michael-Joachim Brekner, Hellmuth Deckers | 1997-06-10 |
| 5623039 | Cycloolefin polymers | Wilfried Hatke | 1997-04-22 |
| 5610253 | Cycloolefin polymers | Wilfried Hatke | 1997-03-11 |
| 5602219 | Process for preparing cycloolefin copolymers | Michael Aulbach, Michael-Joachim Brekner, Frank K uber, Thomas Weller, J urgen Rohrmann | 1997-02-11 |
| 5583192 | Flexible cycloolefin copolymer film and method of preparing same | Cynthia Bennett, Michael-Joachim Brekner, Otto Herrmann-Schoenherr | 1996-12-10 |
| 5573717 | Oriented polyolefin film with amorphous polymer, a process for its production and its use | Herbert Peiffer, Ursula Murschall, Gunter Schloegl, Thomas Dries | 1996-11-12 |
| 5565534 | Process for the preparation of polyolefins | Michael Aulbach, Bernd Bachmann, Gerhard Erker, Christian Psiorz, Frank Kuber +2 more | 1996-10-15 |
| 5561202 | Polymer electrolyte membrane, and process for the production thereof | Freddy Helmer-Metzmann, Arnold Schneller, Helmut Ritter, Konstantin Ledjeff, Roland Nolte +1 more | 1996-10-01 |
| 5552504 | Semi-crystalline cycloolefin copolymer film | Cynthia Bennett, Michael-Joachim Brekner, Jochen Coutandin, Otto Herrmann-Schoenherr | 1996-09-03 |
| 5545829 | Process for preparing cycloolefin copolymers | Michael-Joachim Brekner | 1996-08-13 |
| 5534606 | Rigid cycloolefin copolymer film | Cynthia Bennett, Michael-Joachim Brekner, Otto Herrmann-Schoenherr | 1996-07-09 |
| 5498677 | Process for preparation and purification of material of a cycloolefin copolymer | Thomas Weller, Michael-Joachim Brekner | 1996-03-12 |
| 5475060 | Cycloolefin block copolymers and a process for their preparation | Michael-Joachim Brekner, Jurgen Rohrmann | 1995-12-12 |
| 5438082 | Polymer electrolyte membrane, and process for the production thereof | Freddy Helmer-Metzmann, Arnold Schneller, Helmut Ritter, Konstantin Ledjeff, Roland Nolte +1 more | 1995-08-01 |
| 5428098 | Fiber-reinforced cycloolefin copolymer material, process for its preparation and shaped articles from the material | Michael-Joachim Brekner, Horst-Tore Land | 1995-06-27 |
| 5422409 | Cycloolefin (co)polymers with a narrow molecular weight distribution and a process for the preparation thereof | Michael-Joachim Brekner | 1995-06-06 |
| 5371158 | Bulk polymerization using specific metallocene catalysts for the preparation of cycloolefin polymers | Michael-Joachim Brekner, Jurgen Rohrmann, Martin Antberg | 1994-12-06 |
| 5362836 | Polymer electrolytes and their preparation | Freddy Helmer-Metzmann | 1994-11-08 |
| 5331057 | Cycloolefin block copolymers and a process for their preparation | Michael-Joachim Brekner, Jurgen Rohrmann | 1994-07-19 |
| 5324801 | Process for the preparation of chemically homogeneous cycloolefin copolymers | Michael-Joachim Brekner, Jurgen Rohrmann, Martin Antberg | 1994-06-28 |