Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688395 | Process and catalyst for upgrading heavy hydrocarbon | Jose Carrazza, Pedro Pereira | 1997-11-18 |
| 5688741 | Process and catalyst for upgrading heavy hydrocarbon | Jose Carrazza, Pedro Pereira | 1997-11-18 |
| 5686370 | Zeolite catalyst with chromium for the production of gasolines with low aromatic content and high octane number | Trino Romero | 1997-11-11 |