Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405799 | Process for in SITU upgrading of heavy hydrocarbon | Carlos Vallejos, Tito Vasquez, Gerson Siachoque | 2002-06-18 |
| 6384091 | Emulsion with coke additive in hydrocarbon phase and process for preparing same | Nilia C Romero, Gustavo Nunez | 2002-05-07 |
| 6069178 | Emulsion with coke additive in hydrocarbon phase and process for preparing same | Nilia C Romero, Gustavo Nunez | 2000-05-30 |
| 5964906 | Emulsion with solid additive in hydrocarbon phase and process for preparing same | Nilia C Romero, Gustavo Nunez | 1999-10-12 |
| 5677267 | Thixotropic fluid for well insulation | Simon Suarez, Carlos Rios, Jose Gregorio Tovar | 1997-10-14 |
| 4994090 | Process for controlling sulfur-oxide formation and emissions when burning a combustible fuel formed as a hydrocarbon in water emulsion | Domingo Rodriguez, Euler G. Jimenez, Jose P. Salazar, Hercilio Rivas | 1991-02-19 |
| 4915819 | Treatment of viscous crude oils | Maria L. Chirinos, Jorge Luis Grosso, Alan Stockwell | 1990-04-10 |
| 4834775 | Process for controlling sulfur-oxide formation and emissions when burning a combustible fuel formed as a hydrocarbon in water emulsion | Domingo Rodriguez, Euler G. Jimenez, Jose P. Salazar, Hercilio Rivas | 1989-05-30 |
| 4806231 | Method for desalting crude oil | Maria L. Chirinos, David E. Graham, Alan Stockwell | 1989-02-21 |
| 4801304 | Process for the production and burning of a natural-emulsified liquid fuel | Domingo R. Polanco, Hercilio Rivas, G. Euler Jimenez, Lirio Q. de Paz, Jose P. Salazar +3 more | 1989-01-31 |
| 4781819 | Treatment of viscous crude oils | Maria L. Chirinos, Jorge Luis Grosso, Alan Stockwell | 1988-11-01 |
| 4521277 | Apparatus for upgrading heavy hydrocarbons employing a diluent | Jose L. Calderon | 1985-06-04 |
| 4455221 | Process for upgrading heavy hydrocarbons employing a diluent | Jose L. Calderon | 1984-06-19 |