Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9193838 | High concentration pelletized additive concentrates for polymer | Salvatore D'Uva, John Lefas | 2015-11-24 |
| 8021585 | Liquid compositions of polymer additives and method for their preparation | Larry A. Spino, George Kalantzakis, John Lefas, Salvatore D'Uva | 2011-09-20 |