Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4235983 | Purification of olefin recycle to polymerization | Edward F. Steigelmann, Robert L. Yahnke, Alistair S. Couper | 1980-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4235983 | Purification of olefin recycle to polymerization | Edward F. Steigelmann, Robert L. Yahnke, Alistair S. Couper | 1980-11-25 |