| 5712347 |
Grafted methylenediphosphonate ion exchange resins |
Andrzej W. Trochimcznk, Spiro D. Alexandratos, E. Philip Horwitz |
1998-01-27 |
| 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 |
| 5539003 |
Phosphonic acid based ion exchange resins |
E. Philip Horwitz, Spiro D. Alexandratos, Ronato Chiarizia |
1996-07-23 |
| 5449462 |
Phosphonic acid based exchange resins |
E. Philip Horwitz, Spiro D. Alexandratos, Ronato Chiarizia |
1995-09-12 |
| 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 |
| 4741857 |
Method of purifying neutral organophosphorus extractants |
E. Philip Horwitz, Renato Chiarizia |
1988-05-03 |
| 4462819 |
Urease inhibited urea based fertilizer compositions containing organo boron acid compounds |
Michael Van Der Puy, Martin A. Robinson, Larry L. Hendrickson |
1984-07-31 |