Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686370 | Zeolite catalyst with chromium for the production of gasolines with low aromatic content and high octane number | Nelson P. Martinez | 1997-11-11 |
| 5663446 | Catalyst for the simultaneous selective hydrogenation of diolefins and nitriles and method of making same | Magdalena Ramirez de Agudelo, Julia Guerra, Mariela Medina | 1997-09-02 |
| 5658839 | Catalyst for use in the dehydrogenation and isomerization of paraffins | Maria Magdalena de Agudelo, Jose Guaregua, Marisela Gonzalez | 1997-08-19 |