Ralph C. Gatrone
9Patents
6h-index
10Co-inventors
56Inventor score
Filing activity: Apr 7, 1983 → Apr 3, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5281631A | Phosphonic acid based ion exchange resins | Performing Operations; Transporting | 69 | Expired |
| US5332531A | Extracting metal ions with diphosphonic acid, or derivative thereof | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5449462A | Phosphonic acid based exchange resins | Performing Operations; Transporting | 25 | Expired |
| US4462819A | Urease inhibited urea based fertilizer compositions containing organo boron acid compounds | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5539003A | Phosphonic acid based ion exchange resins | Performing Operations; Transporting | 10 | Expired |
| US5618851A | Grafted methylenediphosphonate ion exchange resins | Performing Operations; Transporting | 8 | Expired |
| US4741857A | Method of purifying neutral organophosphorus extractants | Chemistry; Metallurgy | 5 | Expired |
| US5678242A | Membrane extraction with thermodynamically unstable diphosphonic acid derivatives | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5712347A | Grafted methylenediphosphonate ion exchange resins | Performing Operations; Transporting | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.