Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923483 | Viscous hydrocarbon-in-water emulsions | Ignacio A. Layrisse R., Domingo R. Polanco, Hercilio Rivas, Lirio Quintero, Jose Salazar P. +5 more | 1990-05-08 |
| 4795478 | Viscous hydrocarbon-in-water emulsions | Ignacio A. Layrisse R., Domingo R. Polanco, Hercilio Rivas, Lirio Quintero, Jose Salazar P. +5 more | 1989-01-03 |