Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632867 | Recovering a relatively volatile component of a solution from a less volatile component, e.g. as in solvent recovery | Michael B. Davis, John J. Dugan, James D. Eagan | 1997-05-27 |
| 5616238 | Solvent extraction of hydrocarbon oils producing an increased yield of improved quality raffinate | Joseph P. Boyle | 1997-04-01 |