Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9341051 | Methods for enhancing efficiency of bitumen extraction from oil sands using lipids and lipid by-products as process additives | Zvonko Burkus | 2016-05-17 |
| 8043494 | Method for improving bitumen recovery from oil sands by production of surfactants from bitumen asphaltenes | — | 2011-10-25 |
| 7931800 | Method for extraction of bitumen from oil sands using lime | — | 2011-04-26 |
| 5578197 | Hydrocracking process involving colloidal catalyst formed in situ | Theodore Cyr, Leszek Lewkowicz, Roger K. Lott, Lap-Keung Lee | 1996-11-26 |