Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861827 | Continuous process for the production of high impact polystyrene using non-acid forming initiators | Jose M. Sosa | 1989-08-29 |
| 4857587 | Continuous process including recycle stream treatment for the production of high impact polystyrene | Jose M. Sosa | 1989-08-15 |