Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7892300 | Oxygen-containing diesel fuel, process and catalyst for producing same | — | 2011-02-22 |
| 7704288 | Water in hydrocarbon emulsion useful as low emission fuel and method for forming same | Hercilio Rivas, Xiomara Gutierrez, Manuel Alberto Gonzalez, Geoffrey McGrath, Migdalia Carrasquero +1 more | 2010-04-27 |
| 7501054 | Oxygen-containing diesel fuel, process and catalyst for producing same | — | 2009-03-10 |
| 7501374 | Oxygen-containing diesel fuel, process and catalyst for producing same | — | 2009-03-10 |
| 7276093 | Water in hydrocarbon emulsion useful as low emission fuel and method for forming same | Hercilio Rivas, Xiomara Gutierrez, Manuel Alberto Gonzalez, Geoffrey McGrath, Migdalia Carrasquero +1 more | 2007-10-02 |
| 6676828 | Process scheme for sequentially treating diesel and vacuum gas oil | Eusebio Palmisano, Gerardo Arreaza, Samuel Quenza, Sandra Ramnarine | 2004-01-13 |
| 6444116 | Process scheme for sequentially hydrotreating-hydrocracking diesel and vacuum gas oil | Edilberto Rodriguez | 2002-09-03 |
| 5981421 | Catalyst system for selective hydrogenation of heteroaromatic sulfur-containing and nitrogen-containing compounds, and process for preparing and using same | Daniel E. Paez, Antida Andriollo, Roberto A. Sanchez-Delgado, Norma del V. Valencia, Francisco A. Lopez | 1999-11-09 |
| 5958223 | Process for selective hydrogenation of heteroaromatic sulfur-containing and nitrogen-containing compounds | Daniel E. Paez, Antida Andriollo, Roberto A. Sanchez-Delgado, Norma del V. Valencia, Francisco A. Lopez | 1999-09-28 |
| 5753584 | Catalyst system for selective hydrogenation of heteroaromatic sulfur-containing and nitrogen-containing compounds | Daniel E. Paez, Antida Andriollo, Roberto A. Sanchez-Delgado, Norma del V. Valencia, Francisco A. Lopez | 1998-05-19 |
| 5591324 | Hydroprocessing scheme for production of premium isomerized light gasoline | Reinaldo Monque, Wolfgang Garcia, José Antonio Pérez | 1997-01-07 |
| 5576256 | Hydroprocessing scheme for production of premium isomerized light gasoline | Reinaldo Monque, Wolfgang Garcia, José Antonio Pérez | 1996-11-19 |
| 5384297 | Hydrocracking of feedstocks and catalyst therefor | Ricardo Prada, Yilda Romero, Edito Reyes, Edilberto Rodriguez | 1995-01-24 |
| 5254240 | Hydrocracking of petroleum feedstocks using a tri-elemental catalyst with a titania-alumina support | Mary Palma, Edilberto Rodriguez, Fernando Gonzalez, Ricardo Prada | 1993-10-19 |
| 5229347 | Catalyst for mild hydrocracking of cracked feedstocks and method for its preparation | Ricardo Prada, Yilda Romero, Edito Reyes, Richard Munoz | 1993-07-20 |
| 5009768 | Hydrocracking high residual contained in vacuum gas oil | Alfredo Morales, Jose Armando Salazar | 1991-04-23 |
| 4857494 | Mild hydrocracking catalyst for the production of middle distillates | Nelson P. Martinez, Jose R. Velasquez, Juan Lujano, Carlos Zerpa | 1989-08-15 |
| 4801432 | Apparatus for withdrawing particulate solid from a high pressure vessel | Jose I. Belandria, Pasquale L. Caprioli | 1989-01-31 |
| 4701435 | Catalyst and method of preparation from a naturally occurring material | Juan Jose Garcia, Magdalena Ramirez de Agudelo, Luis A. Rivas, Juan Hurtado | 1987-10-20 |
| 4689314 | Method of preparation of mild hydrocracking catalyst for the production of middle distillates | Nelson P. Martinez, Jose R. Velasquez, Juan Lujano, Carlos Zerpa | 1987-08-25 |
| 4670132 | Method of hydrocracking and method of preparing a catalyst therefor | Beatriz Arias, Humberto Kum | 1987-06-02 |
| 4664782 | Method for withdrawing particulate solid from a high pressure vessel | Jose I. Belandria, Pasquale L. Caprioli | 1987-05-12 |
| 4642179 | Catalyst for removing sulfur and metal contaminants from heavy crudes and residues | Alfredo Morales, Angel R. Carrasquel, Jose Armando Salazar | 1987-02-10 |
| 4632914 | Method of preparing a hydrocracking catalyst | Beatriz Arias, Humberto Kum | 1986-12-30 |
| 4626340 | Process for the conversion of heavy hydrocarbon feedstocks characterized by high molecular weight, low reactivity and high metal contents | Beatriz R. Arias, Lino Caprioli, Juan Jose Garcia, Humberto Kum | 1986-12-02 |