Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681477 | Thermally-driven ion-exchange process for lithium recovery | — | 1997-10-28 |
| 5674311 | Adsorption process and system using multilayer adsorbent beds | Frank Notaro, Joseph Timothy Mullhaupt, Mark William Ackley | 1997-10-07 |
| 5604169 | Process for producing mixed-cation zeolites | — | 1997-02-18 |