Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775480 | Membrane processes for treatment of and recovery of components from kraft black liquors | Harry P. Gregor | 1988-10-04 |
| 4655928 | Membrane processes for metal recovery and pollution control in metal process industries | Harry P. Gregor | 1987-04-07 |