Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888318 | Catalyst composition for polymerizing alpha-olefins | Luanne M. Allen, Richard O. Mohring | 1989-12-19 |
| 4834947 | Reactor system for rapid kill gas injection to gas phase polymerization reactors | John E. Cook, Frederick W. Jacob | 1989-05-30 |