Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4201656 | Process aid addition in hot water process based on feed fines content | — | 1980-05-06 |
| 4197937 | Non-ionic emulsifying release agent for bituminous sands conveyor belt | Robert Shaw | 1980-04-15 |