Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6593452 | Fibers made of cycloolefin copolymers | Frank Osan | 2003-07-15 |
| 6469114 | Metallocene compound and polymerization catalyst comprising heterocyclic group | Jorg Schottek, Roland Kratzer, Andreas Winter, Volker Fraaije, Markus Oberhoff | 2002-10-22 |
| 6458919 | Fibers made of cycloolefin copolymers | Frank Osan | 2002-10-01 |
| 6262197 | Multinuclear metallocene compound, a process for its preparation and its use as catalyst | Michael Aulbach, Frank Kuber, Roland Zenk | 2001-07-17 |
| 6214951 | Cycloolefin copolymers having high tear strength and low optical attenuation | Hellmuth Deckers, Frank Osan | 2001-04-10 |
| 6169052 | Metallocene and catalyst used for the preparation of chemically homogeneous cycloolefin copolymers | Frank Osan, Jurgen Rohrmann, Martin Antberg | 2001-01-02 |
| 5789492 | Weathering-resistant polymer alloys | Hansotto Drotloff, Otto Hermann-Schonherr, Arnold Schneller | 1998-08-04 |
| 5744664 | Cycloolefin copolymers (COCS) as substrate material for liquid-crystal displays | Dietmar Jungbauer | 1998-04-28 |
| 5733991 | Process for preparing cycloolefin polymer | Jurgen Rohrmann, Frank Kuber, Frank Osan, Thomas Weller | 1998-03-31 |
| 5719095 | Supported catalyst system, the preparation thereof, and the use thereof for the polymerization of olefins | Bernd Bachmann, Frank Osan, Klaus Alberti, Andreas Winter | 1998-02-17 |
| 5707728 | Magneto-optical recording medium | Egon Hellstern, Christoph Weber | 1998-01-13 |
| 5646220 | Cycloolefin block copolymers and a process for their preparation | Frank Osan, Jurgen Rohrmann | 1997-07-08 |
| 5637400 | Cycloolefin copolymers having low melt viscosity and low optical attenuation | Hellmuth Deckers, Frank Osan | 1997-06-10 |
| 5602219 | Process for preparing cycloolefin copolymers | Michael Aulbach, Frank K uber, Frank Osan, Thomas Weller, J urgen Rohrmann | 1997-02-11 |
| 5583192 | Flexible cycloolefin copolymer film and method of preparing same | Cynthia Bennett, Otto Herrmann-Schoenherr, Frank Osan | 1996-12-10 |
| 5552504 | Semi-crystalline cycloolefin copolymer film | Cynthia Bennett, Jochen Coutandin, Otto Herrmann-Schoenherr, Frank Osan | 1996-09-03 |
| 5545829 | Process for preparing cycloolefin copolymers | Frank Osan | 1996-08-13 |
| 5534606 | Rigid cycloolefin copolymer film | Cynthia Bennett, Otto Herrmann-Schoenherr, Frank Osan | 1996-07-09 |
| 5498677 | Process for preparation and purification of material of a cycloolefin copolymer | Thomas Weller, Frank Osan | 1996-03-12 |
| 5475060 | Cycloolefin block copolymers and a process for their preparation | Frank Osan, Jurgen Rohrmann | 1995-12-12 |
| 5439722 | Substrate composed of at least one cycloolefin copolymer for recording media and process for producing it | Thomas Weller | 1995-08-08 |
| 5428098 | Fiber-reinforced cycloolefin copolymer material, process for its preparation and shaped articles from the material | Horst-Tore Land, Frank Osan | 1995-06-27 |
| 5422397 | Binary alloys based on polyether-amides and cycloolefin polymers | Otto Herrmann-Schonherr | 1995-06-06 |
| 5422409 | Cycloolefin (co)polymers with a narrow molecular weight distribution and a process for the preparation thereof | Frank Osan | 1995-06-06 |
| 5373081 | Polyether ketones and polyether sulfones based on phenylindane, and the use thereof for optical systems | Dazhong Yang, Gerhard Maier, Oskar Nuyken, Freddy Helmer-Metzmann | 1994-12-13 |