Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8105984 | Reduced abrasion drilling fluid | Freddy Quiroga, George Quercia, Richard Rengifo | 2012-01-31 |
| 7854263 | Surfactant package for well treatment and method for using same | Alicia Colina, Williams Aular | 2010-12-21 |
| 7854802 | Surfactant package for well treatment and method using same | Alicia Colina, Williams Aular | 2010-12-21 |
| 7429620 | Surfactant package for well treatment and method using same | Alicia Colina, Williams Aular | 2008-09-30 |
| 5883054 | Thermally stable drilling fluid | Maria Isabel Hernandez, Reinaldo Jacques Gabay, Lirio Quintero | 1999-03-16 |
| 5476527 | White atoxic urea fertilizer composition | José Castillo, Marilu Stea | 1995-12-19 |