Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4657882 | Supported olefin polymerization catalyst produced from a magnesium alkyl/organophosphoryl complex | Nicholas M. Karayannis, Bryce V. Johnson | 1987-04-14 |
| 4526882 | Mixed ester retreated propylene polymerization catalyst | Bryce V. Johnson, Nicholas M. Karayannis | 1985-07-02 |
| 4353813 | Catalyst for polymerization of alpha-olefins | Nicholas M. Karayannis | 1982-10-12 |
| 4324690 | Alpha-olefin polymerization catalyst | Nicholas M. Karayannis | 1982-04-13 |
| 4277370 | Alpha-olefin polymerization catalyst | Nicholas M. Karayannis | 1981-07-07 |
| 4276191 | Catalyst and process for polymerization of alpha-olefins | Nicholas M. Karayannis, Harold Grams | 1981-06-30 |
| 4184987 | Stabilizing additives for polyolefins | Nicholas M. Karayannis, Habet M. Khelghatian | 1980-01-22 |