Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5531169 | Treatment of liquid waste material | James Mole, Philippe Queille | 1996-07-02 |
| 5087292 | Process and apparatus for treating a liquid with a gas | — | 1992-02-11 |
| 4860827 | Process and device for oil recovery using steam and oxygen-containing gas | Robert G. H. Lee, Derek Hornsey, Jose M. Dieguez | 1989-08-29 |
| 4854972 | Nitrogen-free process for chloride-route TiO.sub.2 pigment manufacture | Robert G. H. Lee, Olivier Francois | 1989-08-08 |
| 4823710 | Non-peripheral blowing of oxygen-containing gas in steam generating boilers | Robert G. H. Lee, Derek Hornsey, Jose M. Dieguez | 1989-04-25 |