Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756411 | Process for producing oxygenated products | Mark Betts, Arie Geertsema, Gerhardus Rall | 2004-06-29 |
| 4921682 | Process for removing hydrogen sulphide from gas streams | Robert de Haan, Flemming H. Dressler, Horst Hesse, Sonet Vermaire | 1990-05-01 |
| 4225531 | Fluidization promoters | David Jones, Terry Shingles, Felix T. Kelly | 1980-09-30 |