Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6049012 | Catalyst and process for the production of alkyl tert alkyl ether from hydrocarbon feedstocks with high levels of sulfur | Magdalena Ramirez de Agudelo, Emilia Mujica | 2000-04-11 |
| 6030522 | Combined steam conversion process for treating vacuum gas oil | Pedro Pereira, Jose R. Velasquez, Alfonso Tusa, Iraima Rojas, William Camejo +1 more | 2000-02-29 |
| 5880324 | Catalyst for use in the dehydrogenation and isomerization of paraffins and method | Maria Magdalena de Agudelo, Jose Guaregua, Marisela Gonzalez | 1999-03-09 |
| 5821188 | Catalyst for use in the dehydrogenation and isomerization of paraffins and method | Maria Magdalena de Agudelo, Jose Guaregua, Marisela Gonzalez | 1998-10-13 |
| 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 |
| 5523271 | Catalyst for the simultaneous selective hydrogenation of diolefins and nitriles and method of making same | Magdalena Ramirez de Agudelo, Julia Guerra, Mariela Medina | 1996-06-04 |
| 5523272 | Catalyst and process for the production of alkyl tert alkyl ether from hydrocarbon feedstocks with high levels of sulfur | Magdalena Ramirez de Agudelo, Emilia Mujica | 1996-06-04 |
| 5416052 | Catalyst for use in the dehydrogenation and isomerization of paraffins and method for preparing the catalyst | Maria Magdalena de Agudelo, Jose Guaregua, Marisela Gonzalez | 1995-05-16 |