Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5968349 | Extraction of bitumen from bitumen froth and biotreatment of bitumen froth tailings generated from tar sands | Willem P. C. Duyvesteyn, Julia R. Budden | 1999-10-19 |