Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857494 | Mild hydrocracking catalyst for the production of middle distillates | Nelson P. Martinez, Roberto Galiasso, Jose R. Velasquez, Juan Lujano | 1989-08-15 |
| 4689314 | Method of preparation of mild hydrocracking catalyst for the production of middle distillates | Nelson P. Martinez, Roberto Galiasso, Jose R. Velasquez, Juan Lujano | 1987-08-25 |
| 4613427 | Process for the demetallization and hydroconversion of heavy crudes and residues using a natural clay catalyst | Gonzalo Sepulveda, Marcos Rosa-Brussin, Nereida Carrion, Pedro Roa, Alfredo Morales Ruiz +2 more | 1986-09-23 |
| 4568657 | Catalyst formed of natural clay for use in the hydrodemetallization and hydroconversion of heavy crudes and residues and method of preparation of same | Gonzalo Sepulveda, Marcos Rosa-Brussin, Nereida Carrion, Pedro Roa, Alfredo Morales Ruiz +2 more | 1986-02-04 |