Alusuisse Italia S.p.A.
16Patents
0Active
16Granted
31Portfolio score
Filing activity: Mar 25, 1981 → Apr 1, 1993
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4738753A | Method of producing carbonaceous bodies | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4674975A | Method and tunnel type furnace for calcining carbonaceous bodies, in particular electrodes | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4489204A | Catalyst for the preparation of phthalic anhydride | Performing Operations; Transporting | 13 | Expired |
| US4405505A | Catalyst for the preparation of phthalic anhydride | Performing Operations; Transporting | 10 | Expired |
| US4668652A | Catalyst for oxidation reactions and process for its production | Performing Operations; Transporting | 10 | Expired |
| US4594433A | Production of maleic anhydride | Performing Operations; Transporting | 7 | Expired |
| US5250724A | Process for the preparation of trimellitic acid | Chemistry; Metallurgy | 7 | Expired |
| US4849391A | Oxidation catalyst and process for its preparation | Chemistry; Metallurgy | 6 | Expired |
| US4569835A | Method of producing carbonaceous blocks in a tunnel type furnace | Chemistry; Metallurgy | 6 | Expired |
| US4511670A | Catalysts containing mixed oxides of vanadium, phosphorus, and aluminum and/or boron | Performing Operations; Transporting | 4 | Expired |
| US4730339A | Method of calcining carbonaceous bodies, in particular electrodes, in either continuous or intermittent furnaces, and a containment structure for the implementation thereof | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4713464A | Process for production of maleic anhydride | Performing Operations; Transporting | 4 | Expired |
| US4615676A | Calcining method and enclosure structure therefor | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5078587A | Forming tool for forming peg holes in an anode | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5362800A | Unsaturated polyester resins | Chemistry; Metallurgy | 3 | Expired |
| US4870195A | Oxidation catalyst and process for its preparation | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.