Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5126417 | High activity catalyst system for the production of propylene polymers | Frederick J. Karol | 1992-06-30 |
| 5070055 | Novel coimpregnated vanadium-zirconium catalyst for making polyethylene with broad or bimodal MW distribution | Frederick J. Karol | 1991-12-03 |
| 5037909 | High activity catalyst system for the production of propylene polymers | Frederick J. Karol | 1991-08-06 |
| 4983562 | High activity catalyst system for the production of propylene polymers | Frederick J. Karol | 1991-01-08 |