Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |