Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857611 | Gas fluidized bed terpolymerization of olefins | Daniel Durand | 1989-08-15 |
| 4858144 | Detection of anomalies in gas fluidized bed polymerization | Alain Marsaly, Andre Martens, Charles Raufast | 1989-08-15 |