Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678242 | Membrane extraction with thermodynamically unstable diphosphonic acid derivatives | Earl P. Horwitz, KENNETH L NASH | 1997-10-14 |
| 5618851 | Grafted methylenediphosphonate ion exchange resins | Andrzej W. Trochimcznk, Spiro D. Alexandratos, E. Philip Horwitz | 1997-04-08 |