Metallurgie Hoboken-Overpelt
48Patents
0Active
48Granted
36Portfolio score
Filing activity: Apr 16, 1974 → Sep 22, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4490338A | Process for separating trivalent iron from an aqueous chloride solution | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4284618A | Production of battery-grade manganese dioxide | Chemistry; Metallurgy | 17 | Expired |
| US4727928A | Process for the preparation of refined tantalum or niobium | Chemistry; Metallurgy | 17 | Expired |
| US4102976A | Treatment of ores or metallurgical by-products containing arsenic and antimony | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4567027A | Process for defluorinating an acid sulphate solution | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4061564A | Treatment of solutions containing impure metals | Emerging Cross-Sectional Technologies | 15 | Expired |
| US3981351A | Mold for the continuous vertical casting of billets | Performing Operations; Transporting | 15 | Expired |
| US3990498A | Method of continuous casting | Performing Operations; Transporting | 14 | Expired |
| US4952368A | Zinc alloys for electrochemical battery cans | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4276921A | Process and apparatus for the continuous casting of metal | Performing Operations; Transporting | 14 | Expired |
| US4026773A | Extracting metal values from manganiferous ocean nodules | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4043166A | Removing crust of oxide from profiled wire rod | Performing Operations; Transporting | 12 | Expired |
| US4451289A | Process for extracting non-ferrous metals from iron-bearing scraps | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4290823A | Manufacture of copper wire rod | Performing Operations; Transporting | 11 | Expired |
| US4362658A | Process for preparing a flame retardant composition from sodium antimonate and composition thereby produced | Chemistry; Metallurgy | 10 | Expired |
| US4417953A | Process and apparatus for separating an electrolytic deposit from both sides of a cathode | Chemistry; Metallurgy | 10 | Expired |
| US4942023A | Metal extraction process with substituted 8-hydroxyquinoline | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4162915A | Process for treating lead-copper-sulphur charges | Chemistry; Metallurgy | 9 | Expired |
| US4432951A | Process for separating germanium from an aqueous solution | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4920020A | Zinc powder for alkaline batteries | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4104188A | Production of zinc powder for electrochemical batteries | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4277445A | Apparatus for liquid-liquid extraction | Performing Operations; Transporting | 7 | Expired |
| US4045301A | Electrolytic deposition of metals | Chemistry; Metallurgy | 7 | Expired |
| US4211754A | Process for the production of a tantalum and niobium bearing concentrate from a tantalum and niobium bearing ferro-alloy | Chemistry; Metallurgy | 7 | Expired |
| US4088733A | Process for liquid-liquid extraction of cobalt from nickel | Emerging Cross-Sectional Technologies | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.