S.A. Lhoist Recherche et Développement
56Patents
50Active
56Granted
53Portfolio score
Filing activity: Jul 21, 1999 → Feb 7, 2024 · 7 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7744678B2 | Powdered lime composition, method of preparing same and use thereof | Chemistry; Metallurgy | 28 | Active |
| US6406538B1 | Compositions for treating soils, method of preparation and use thereof | Chemistry; Metallurgy | 4 | Expired |
| US8206680B2 | Calco-magnesian aqueous suspension and method for the production thereof | Chemistry; Metallurgy | 3 | Expired |
| US10669199B2 | Process for manufacturing highly porous slaked lime and product thereby obtained | Chemistry; Metallurgy | 2 | Active |
| US9511340B2 | Handleable calco-magnesian suspension | Chemistry; Metallurgy | 2 | Active |
| US10627108B2 | Process for pneumatically conveying a powdery material | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US6699322B2 | Compositions for treating soils, the process for their preparation and the use thereof | Chemistry; Metallurgy | 2 | Expired |
| US7628925B2 | Method of dewatering sludge and the sludge thus dewatered | Chemistry; Metallurgy | 1 | Expired |
| US10351775B2 | Mineral composition made from a mixed solid phase of calcium and magnesium carbonates, method of preparing same and use thereof | Emerging Cross-Sectional Technologies | 1 | Active |
| US8048217B2 | Powdery composition based on a calco-magnesian compound | Chemistry; Metallurgy | 1 | Active |
| US8440163B2 | Slaked lime composition and its manufacturing process | Emerging Cross-Sectional Technologies | 1 | Active |
| US7585353B2 | Method for reducing heavy metals in flue gases | Performing Operations; Transporting | 1 | Expired |
| US6803105B1 | Calcium oxide product and method for making same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11280546B2 | Process for calcining mineral rock in a regenerative parallel-flow vertical shaft furnace, and furnace used | Emerging Cross-Sectional Technologies | 1 | Active |
| US8147703B2 | Method for processing sludge | Chemistry; Metallurgy | 1 | Active |
| US9738772B2 | Flame-retardant and fire-resistant polymer compositions made from lime | Emerging Cross-Sectional Technologies | 1 | Active |
| US8771633B2 | Lime-based compositions, method for making them and their use in treating water and sludge | Chemistry; Metallurgy | 0 | Active |
| US8871006B2 | Solid mineral composition, method for preparing same and use thereof for reducing heavy metals in flue gas | Performing Operations; Transporting | 0 | Active |
| US9725360B2 | Method for the dry slaking of calcium and magnesium oxides from calcomagnesian compounds | Chemistry; Metallurgy | 0 | Active |
| US10974195B2 | Process for treating flue gases in CDS flue gas treatment | Performing Operations; Transporting | 0 | Active |
| US10874975B2 | Sorbent composition for an electrostatic precipitator | Performing Operations; Transporting | 0 | Active |
| US10093549B2 | High-finesse limewater composition | Chemistry; Metallurgy | 0 | Active |
| US12378619B2 | Process for manufacturing a slag conditioning agent for steel desulfurization | Emerging Cross-Sectional Technologies | 0 | Active |
| US10351474B2 | Mineral composition based on a mixed solid phase of calcium and magnesium carbonates and process for preparing such a composition | Fixed Constructions | 0 | Active |
| US9725361B2 | Method for the wet slaking of calcium and magnesium oxides from calcomagnesian compounds | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.