Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681447 | Removal of trace metal and metalloid species from brine | Judith G. Ulan, Christen R. Moser | 1997-10-28 |
| 5618437 | Process for removing sulphate from aqueous solution | Judith G. Ulan, Thomas S. Drackett, Felix Mok | 1997-04-08 |