Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832829 | Catalyst for the simultaneous hydrodemetallization and hydroconversion of heavy hydrocarbon feedstocks | C. E. Galarraga | 1989-05-23 |
| 4751210 | Regeneration of an iron based natural catalyst used in the hydroconversion of heavy crudes and residues | Jose M. Larrauri Derteano, Julio Krasuk | 1988-06-14 |