CECA S.A.
86Patents
16Active
86Granted
42Portfolio score
Filing activity: Mar 3, 1976 → Apr 6, 2012 · 10 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4859216A | Process and equipment for the treatment and recovery of solvent vapors by recycling on active charcoal | Performing Operations; Transporting | 49 | Expired |
| US6652626B1 | Agglomerated adsorbent, process for the production thereof and use thereof for the non-cryogenic separation of industrial gases | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6464756B1 | Purification of hydrogen flowstreams by selectively adsorbing impurities therefrom | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6277772A | Superabsorbent composition for hygiene articles free from unpleasant smells | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4369125A | Gelling compositions having a base of galactomannans and xanthan | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5173462A | Industrial adsorbents based on low-silica X zeolites, for non-cryogenic separation of air gases, and their manufacture process | Performing Operations; Transporting | 18 | Expired |
| US6277179A | Agglomerates based on active charcoal, their process of preparation and their use as adsorption agents | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4168227A | Flotation method for oxidized ores | Performing Operations; Transporting | 17 | Expired |
| US5112552A | Thermofusible autoadhesive shapes and process for their production | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6265490A | Phenol/diene novolac resins, process of preparation and rubber-based compositions containing the said resins | Chemistry; Metallurgy | 17 | Expired |
| US5308631A | Process of making alcohol-free beer and beer aroma concentrates | Chemistry; Metallurgy | 17 | Expired |
| US5292468A | Process for the production of non-sticky thermofusible autoadhesive shapes | Performing Operations; Transporting | 16 | Expired |
| US5132260A | Zeolite granules with zeolitic binder | Chemistry; Metallurgy | 16 | Expired |
| US6884918B1 | Agglomerated zeolitic adsorbents, method for obtaining same uses thereof | Chemistry; Metallurgy | 15 | Expired |
| US4200661A | Gelling compositions for food products | Human Necessities | 13 | Expired |
| US4353805A | Enhanced oil recovery | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5098604A | Cation-active compositions and their application to bituminous emulsions | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5262481A | Moisture-cross-linkable thermoplastic adhesive compositions, uses thereof, and modified components for use in said adhesive compositions | Chemistry; Metallurgy | 12 | Expired |
| US6218490A | Acrylic copolymers as additives for inhibiting paraffin deposition in crude oils, and compositions containing same | Chemistry; Metallurgy | 12 | Expired |
| US8530367B2 | Agglomerated zeolitic adsorbents, their method of preparation and their uses | Performing Operations; Transporting | 11 | Active |
| US5412058A | Novolaks of the phenol-dense aldehyde type | Chemistry; Metallurgy | 10 | Expired |
| US7732511B2 | Bituminous products, the mixture thereof with aggregates and the use thereof | Chemistry; Metallurgy | 10 | Active |
| US5928623A | Use of a reactor stirred by a system of the archimedean screw type for the synthesis of LSX faujasite | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5071574A | Process and compositions for reducing the corrosiveness of oxygenated saline solutions by stripping with acidic gases | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6806219B2 | Exchanged zeolites X, in particular exchanged with lithium, their process of preparation and their use as adsorbents of nitrogen in the separation of the gases of the air | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.