Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7897809 | Process to produce an enrichment feed | Kenny Randolph Parker, Philip Edward Gibson, Marcel de Vreede, Ardie Heijblom | 2011-03-01 |
| 7342128 | Method for oxidizing a slurry composition in a post oxidation zone in the presence of added steam | Robert Lin, Marcel de Vreede, Martin De Boer, Thomas Earl Woodruff | 2008-03-11 |