Magnesium Elektron Limited
42Patents
19Active
42Granted
48Portfolio score
Filing activity: Apr 15, 1974 → Dec 2, 2019 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7252767B2 | Hydrous zirconium oxide, hydrous hafnium oxide and method of making same | Chemistry; Metallurgy | 66 | Expired |
| US6960328B2 | Zirconium phosphate and method of making same | Performing Operations; Transporting | 55 | Expired |
| US3957502A | Addition of magnesium to molten metal | Chemistry; Metallurgy | 24 | Expired |
| US3957500A | Stabilised zirconia and a process for the preparation thereof | Chemistry; Metallurgy | 23 | Expired |
| US4025608A | Ion exchange material | Chemistry; Metallurgy | 22 | Expired |
| US4040818A | Addition of magnesium to molten metal | Chemistry; Metallurgy | 21 | Expired |
| US4401621A | Magnesium alloys | Chemistry; Metallurgy | 12 | Expired |
| US7939041B2 | Composite oxides or hydroxides comprising alumina and zirconia for automotive catalyst applications and method of manufacturing | Chemistry; Metallurgy | 12 | Active |
| US4061720A | Preparation of ammonium and potassium zirconium carbonates | Chemistry; Metallurgy | 11 | Expired |
| US10081853B2 | Corrodible downhole article | Fixed Constructions | 9 | Active |
| US10337086B2 | Corrodible downhole article | Fixed Constructions | 9 | Active |
| US10329643B2 | Corrodible downhole article | Fixed Constructions | 7 | Active |
| US6936175B2 | Zirconium phosphate, hafnium phosphate and method of making same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7431910B2 | Process for preparing zirconium-cerium-based mixed oxides | Emerging Cross-Sectional Technologies | 7 | Expired |
| US10266923B2 | Corrodible downhole article | Fixed Constructions | 7 | Active |
| US4097430A | Aqueous polymeric dispersions made thixotropic by certain ammonium or potassium zirconium carbonates | Chemistry; Metallurgy | 7 | Expired |
| US4332864A | Primary electric cell having magnesium alloy anode | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4173469A | Magnesium alloys | Chemistry; Metallurgy | 5 | Expired |
| US7442310B2 | Treating liquids with pH adjuster-based system | Chemistry; Metallurgy | 5 | Active |
| US4149882A | Magnesium alloys | Chemistry; Metallurgy | 5 | Expired |
| US7744845B2 | Synthesis of lithium zirconate | Chemistry; Metallurgy | 4 | Active |
| US4168161A | Magnesium alloys | Chemistry; Metallurgy | 4 | Expired |
| US4274972A | Process for preparing dilute aqueous copper zirconium ammonium carbonate solutions containing less than about 0.5% Cu and 1.5% ZrO.sub.2 | Textiles; Paper | 2 | Expired |
| US7632477B2 | Process for preparing zirconium oxides and zirconium-based mixed oxides | Chemistry; Metallurgy | 2 | Expired |
| US9920402B2 | Magnesium alloys containing heavy rare earths | Chemistry; Metallurgy | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.