Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866022 | Olefin polymerization catalyst | Gregory G. Arzoumanidis, Nicholas M. Karayannis, Habet M. Khelghatian, Sam S. Lee | 1989-09-12 |
| 4863983 | Extrudable thermoplastic hydrocarbon polymer composition | Joyce M. Kunde | 1989-09-05 |
| 4855360 | Extrudable thermoplastic hydrocarbon polymer composition | Denis Duchesne | 1989-08-08 |