Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888104 | Catalytic system for the hydroconversion of heavy oils | Magdalena M. Ramirez de Aqudelo | 1989-12-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888104 | Catalytic system for the hydroconversion of heavy oils | Magdalena M. Ramirez de Aqudelo | 1989-12-19 |