Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8882985 | Perchlorate removal from concentrated salt solutions using amphoteric ion-exchange resins | Ronald P. Van Heek, Gilbert Thibault, Thomas S. Drackett | 2014-11-11 |
| 6746592 | Process for removing aluminum species from alkali metal halide brine solutions | R. Ganapathy Subramanian | 2004-06-08 |
| 5618437 | Process for removing sulphate from aqueous solution | Judith G. Ulan, Kenneth R. Maycock, Thomas S. Drackett | 1997-04-08 |
| 5093089 | Process for the separation of sulphate | Raymond E. Alford | 1992-03-03 |