SOLVAY SA
264Patents
209Active
264Granted
56Portfolio score
Filing activity: Dec 6, 1988 → Jan 21, 2021 · 44 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5703160A | Biodegradable moulding compositions comprising a starch, a biodegradable polyester, and a salt of a hydroxycarboxylic acid | Chemistry; Metallurgy | 83 | Expired |
| US5204424A | Conductive polymers derived from aromatic heterocyclic compounds substituted by an ether-type group | Electricity | 45 | Expired |
| US5268448A | Conducting polymers derived from fluorinated thiophenes | Emerging Cross-Sectional Technologies | 43 | Expired |
| US7253327B2 | Method of manufacture of a hydrofluoroalkane | Chemistry; Metallurgy | 28 | Expired |
| US6294055A | Process for the separation of hydrogen fluoride from its mixtures with a hydrofluoroalkane containing from 3 to 6 carbon atoms | Chemistry; Metallurgy | 13 | Expired |
| US9426984B2 | Fungicidal and parasiticidal fire-retardant powder | Emerging Cross-Sectional Technologies | 11 | Active |
| US5206198A | Catalytic solid usable for the stereospecific polymerization of alpha-olefins, process for preparing it and process for polymerizing alpha-olefins in its presence | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5856679A | Premixes for the preparation of polyurethane foams | Chemistry; Metallurgy | 10 | Expired |
| US5243103A | Process for obtaining catalytic compositions and process for hydrogenation of chlorofluoroalkenes by means of these compositions | Chemistry; Metallurgy | 10 | Expired |
| US6224845A | Process for manufacturing an aqueous hydrogen peroxide solution | Chemistry; Metallurgy | 10 | Expired |
| US6429322B1 | Method for making an oxirane | Chemistry; Metallurgy | 10 | Expired |
| US6172125A | Process for recycling articles based on vinyl chloride polymers | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7863211B2 | Epoxidation catalyst, its use and epoxidation process in the presence of this catalyst | Performing Operations; Transporting | 9 | Active |
| US6328842A | Machine for welding hollow articles and process for welding these articles | Performing Operations; Transporting | 8 | Expired |
| US6054538A | Compositions based on vinylidene fluoride copolymers including polyvinyl chloride and their use in cable manufacture | Chemistry; Metallurgy | 8 | Expired |
| US5204305A | Cocatalytic composition which is usable for the polymerization of alpha-olefins | Chemistry; Metallurgy | 7 | Expired |
| US7189339B2 | Compositions comprising 1,1,1,3,3-pentafluorobutane and use of these compositions | Chemistry; Metallurgy | 6 | Expired |
| US6603027B1 | Catalyst based on zelolite, use and epoxidation method in the presence of this catalyst | Chemistry; Metallurgy | 6 | Expired |
| US5200478A | Method for activating supported chromium oxide catalysts and olefin polymerization process carried out therewith | Chemistry; Metallurgy | 6 | Expired |
| US6372079B1 | Process for welding hollow articles | Performing Operations; Transporting | 6 | Expired |
| US6230732A | Safety valve for a liquid tank | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7517845B2 | Compositions comprising 1,1,1,3,3-pentafluorobutane and use of these compositions | Chemistry; Metallurgy | 6 | Active |
| US9638017B2 | Batch solution mining using lithological displacement of an evaporite mineral stratum and mineral dissolution with stationary solvent | Fixed Constructions | 6 | Active |
| US6315999A | Pharmaceutical product for the treatment of sepsis | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9673450B2 | Lithium ion battery | Emerging Cross-Sectional Technologies | 5 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.