d'Elf Atochem S.A.
5Patents
0Active
5Granted
25Portfolio score
Filing activity: Oct 8, 1992 → Feb 13, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5523500A | Mass catalysts based on chromium and nickel oxides and their application to the fluorination of halogenated hydrocarbons | Chemistry; Metallurgy | 21 | Expired |
| US5426254A | Process for the separation of hydrogen fluoride from its mixtures with 1,1,1-trifluoro-2-chloroethane | Chemistry; Metallurgy | 7 | Expired |
| US5474695A | Mixtures of 1,1,1-trifluoroethane, perfluoropropane and propane, and their applications as refrigerant fluids, as aerosol propellants or as blowing agents for plastic foams | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5600039A | Process for the preparation of 1,1,1,2-tetrafluoroethane | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5386068A | Stabilization of 1,1-dichloro-1-fluoroethane | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.