Ralph E. Worthington
16Patents
6h-index
12Co-inventors
59Inventor score
Filing activity: Aug 20, 1973 → Jun 7, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4588573A | Method for the production of potassium sulfate using sulfuric acid and potassium chloride | Chemistry; Metallurgy | 16 | Expired |
| US4554151A | Process for producing K.sub.3 H(SO.sub.4).sub.2 crystals and potassium sulfate crystals | Chemistry; Metallurgy | 16 | Expired |
| US4490336A | Process for stripping uranium from an alkyl pyrophosphoric acid | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4325918A | Deprotonation of an alkylphenyl acid phosphate extractant | Chemistry; Metallurgy | 7 | Expired |
| US4144315A | Production of hydrogen fluoride | Chemistry; Metallurgy | 7 | Expired |
| US4158558A | Potassium polyphosphate fertilizers | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4056604A | Production of hydrogen fluoride | Chemistry; Metallurgy | 6 | Expired |
| US4374805A | Reductants for reducing metals in acid media | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4062929A | Production of hydrogen fluoride | Chemistry; Metallurgy | 5 | Expired |
| US4554139A | Process for producing and decomposing syngenite | Chemistry; Metallurgy | 4 | Expired |
| US4067957A | Process for producing hydrogen fluoride from an aqueous hydrofluorosilicic acid solution | Chemistry; Metallurgy | 4 | Expired |
| US4089936A | Production of hydrogen fluoride | Chemistry; Metallurgy | 2 | Expired |
| US4385037A | Concentrated sulphuric acid treatment of an alkylphenyl acid phosphate extractant | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4652431A | Process for recovering uranium using an alkyl pyrophosphoric acid and alkaline stripping solution | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4652432A | Process for recovering uranium using an alkyl pyrophosphoric acid and alkaline stripping solution | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4289609A | Process for removing solid organic materials and other impurities from wet-process phosphoric acid | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.