Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824443 | Gas separation by composite solvent-swollen membranes | Eric K. Lee, Dwayne T. Friesen, Donald J. Kelly | 1989-04-25 |
| 4816407 | Production of low-ethanol beverages by membrane extraction | — | 1989-03-28 |
| 4800162 | Method for resolution of steroisomers in multiphase and extractive membrane reactors | — | 1989-01-24 |
| 4795704 | Multiphase asymmetric membrane reactor systems | — | 1989-01-03 |