Ronald Liotta
12Patents
4h-index
7Co-inventors
53Inventor score
Filing activity: Aug 1, 1979 → Aug 14, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5958224A | Process for deep desulfurization using combined hydrotreating-oxidation | Chemistry; Metallurgy | 53 | Expired |
| US4468231A | Cation ion exchange of coal | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4300995A | Oxygen-alkylation of carbonous material and products thereof | Chemistry; Metallurgy | 20 | Expired |
| US4300994A | Method for producing coke | Chemistry; Metallurgy | 5 | Expired |
| US4259168A | Treatment of coal to increase yields and improve physical characteristics of coal liquefaction distillates and bottoms | Chemistry; Metallurgy | 4 | Expired |
| US4259084A | Pretreatment of solid, naturally-occurring carbonaceous material | Chemistry; Metallurgy | 4 | Expired |
| US4259172A | Treatment of heavy coal fractions | Chemistry; Metallurgy | 4 | Expired |
| US4259167A | Formation of caking coals | Chemistry; Metallurgy | 2 | Expired |
| US4363714A | O-Alkylated/O-acylated coal liquids | Chemistry; Metallurgy | 1 | Expired |
| US4299684A | Demineralization of coal | Performing Operations; Transporting | 1 | Expired |
| US4259173A | Treatment of coal liquids | Chemistry; Metallurgy | 0 | Expired |
| US4372750A | O-Alkylated/O-acylated coal and coal bottoms | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.