Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332531 | Extracting metal ions with diphosphonic acid, or derivative thereof | Earl P. Horwitz, KENNETH L NASH | 1994-07-26 |
| 5281631 | Phosphonic acid based ion exchange resins | E. Philip Horwitz, Spiro D. Alexandratos, Ronato Chiarizia | 1994-01-25 |