Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845176 | Preparation of homopolymers and copolymers of ethene using a chromium trioxide catalyst | Rainer Hemmerich, Rudolf Mueller-Mall, Guenther Schweier | 1989-07-04 |
| 4814308 | Preparation of homopolymers and copolymers of ethene by Phillips catalysis | Guido Funk, Juergen Schmidt-Thuemmes, Rudolf Mueller-Mall, Guenther Schweier | 1989-03-21 |