Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857613 | Preparation of homopolymers and copolymers of propene using a Ziegler-Natta catalyst system | Ralf Zolk, Juergen Kerth | 1989-08-15 |
| 4845176 | Preparation of homopolymers and copolymers of ethene using a chromium trioxide catalyst | Rainer Konrad, Rudolf Mueller-Mall, Guenther Schweier | 1989-07-04 |
| 4831090 | Preparation of homopolymers of ethene and copolymers of ethene with higher .alpha.-monoolefins using a Ziegler catalyst system | Robert Bachl, Guido Funk, Konrad J. Richter, Sr., Roland Saive | 1989-05-16 |