Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860827 | Process and device for oil recovery using steam and oxygen-containing gas | Derek Hornsey, Guillermo Garrido, Jose M. Dieguez | 1989-08-29 |
| 4854972 | Nitrogen-free process for chloride-route TiO.sub.2 pigment manufacture | Guillermo Garrido, Olivier Francois | 1989-08-08 |
| 4823710 | Non-peripheral blowing of oxygen-containing gas in steam generating boilers | Guillermo Garrido, Derek Hornsey, Jose M. Dieguez | 1989-04-25 |