Lafarge Coppee
8Patents
0Active
8Granted
26Portfolio score
Filing activity: Jan 28, 1981 → May 23, 1990
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4337032A | Device for mixing gaseous fluids by turbulence | Chemistry; Metallurgy | 19 | Expired |
| US4402754A | Process of producing cement clinker | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5173284A | Process for preparation of purified calcium sulfate in an aqueous medium | Chemistry; Metallurgy | 15 | Expired |
| US4729782A | Pollen suppressant comprising a fused pyridazinone | Chemistry; Metallurgy | 9 | Expired |
| US4425163A | Method of producing cement clinker | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4604134A | Pollen suppressant comprising a fused pyridazine | Chemistry; Metallurgy | 4 | Expired |
| US4561881A | Pollen suppressant comprising a pyridazolylamine | Chemistry; Metallurgy | 3 | Expired |
| US4756740A | Pollen suppressant comprising a fused pyridazine | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.