Achille De Schepper
13Patents
7h-index
5Co-inventors
55Inventor score
Filing activity: Feb 23, 1976 → Oct 8, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4490338A | Process for separating trivalent iron from an aqueous chloride solution | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4102976A | Treatment of ores or metallurgical by-products containing arsenic and antimony | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4061564A | Treatment of solutions containing impure metals | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5316683A | Metal extraction by ion exchange | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4942023A | Metal extraction process with substituted 8-hydroxyquinoline | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4432951A | Process for separating germanium from an aqueous solution | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4088733A | Process for liquid-liquid extraction of cobalt from nickel | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4277445A | Apparatus for liquid-liquid extraction | Performing Operations; Transporting | 7 | Expired |
| US4432952A | Process for separating germanium from an aqueous solution by means of an alphahydroxyoxime | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4332684A | Process for treating an organic phase containing iron chloride, molybdenum chloride and HCl | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5277882A | Process for recovering germanium | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4419338A | Liquid-liquid extraction | Performing Operations; Transporting | 1 | Expired |
| USRE33410E | Liquid-liquid extraction of germanium from aqueous solution using hydroxy-oximes | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.