Assignee
PECHINEY URANIUM
FR·17 granted patents·150 citations·filing 1983–1993
Top patents by PatentIndex Score
17 records- 0182US5268947ANuclear fuel elements comprising a trap for fission products based on oxidePECHINEY URANIUM·Filed 1992·Granted Dec 7, 1993·32 cites·13 claims
- 0271US5340447AProcess for the selective electrofluorination of alloys or metallic mixtures based on uraniumPECHINEY URANIUM·Filed 1993·Granted Aug 23, 1994·22 cites·13 claims
- 0367US4634580AProcess for the purification of wet-process phosphoric acid by removal of cadmiumPECHINEY URANIUM·Filed 1984·Granted Jan 6, 1987·17 cites·19 claims
- 0461US4971734AMethod of making nuclear fuel pellets, comprising producing and using pourable, frittable powders obtained directly by precipitation of peroxidesPECHINEY URANIUM·Filed 1989·Granted Nov 20, 1990·12 cites·22 claims
- 0552US4889663AMethod of manufacturing uranium oxide base nuclear fuel pelletsPECHINEY URANIUM·Filed 1987·Granted Dec 26, 1989·20 cites·6 claims
- 0651US4524001AMethod of purifying uraniferous aqueous solutionsPECHINEY URANIUM·Filed 1983·Granted Jun 18, 1985·7 cites·7 claims
- 0748US4675166AProcess for the selective separation of uranium, zirconium and/or hafnium and/or molybdenum from a carbonated aqueous solution containing samePECHINEY URANIUM·Filed 1984·Granted Jun 23, 1987·6 cites·9 claims
- 0840US4744960AProcess for the separation of rare earths and uranium of a UF4 concentrate and for putting them into useful formPECHINEY URANIUM·Filed 1986·Granted May 17, 1988·4 cites·6 claims
- 0940US4714596AProcess for the recovery in the form of tetravalent fluoride of uranium extracted from phosphate-bearing solutionsPECHINEY URANIUM·Filed 1985·Granted Dec 22, 1987·4 cites·15 claims
- 1038US5091120AProcess for obtaining uo2 fuel pellets from metallic u without producing any effluentPECHINEY URANIUM·Filed 1990·Granted Feb 25, 1992·8 cites·32 claims
- 1136US5272740AAgent for trapping the radioactivity of fission products which are generated in a nuclear fuel elementPECHINEY URANIUM·Filed 1992·Granted Dec 21, 1993·4 cites·12 claims
- 1236US4613361AHigh-temperature pretreatment by means of an alkaline aqueous solution of ores having an argillaceous gangue containing at least one usable elementPECHINEY URANIUM·Filed 1984·Granted Sep 23, 1986·4 cites·16 claims
- 1334US4649030AProcess for the purification of uraniferous and/or molybendiferous amino organic solutions which contain zirconium and/or hafnium among other impuritiesPECHINEY URANIUM·Filed 1984·Granted Mar 10, 1987·2 cites·15 claims
- 1431US4643882AProcess for recovery by a solvent of the uranium present in phosphoric acidPECHINEY URANIUM·Filed 1984·Granted Feb 17, 1987·1 cites·7 claims
- 1530US4758411AProcess for the recovery in the form of tetravalent fluoride of uranium extracted from phosphate-bearing solutions with the addition of metalic ionsPECHINEY URANIUM·Filed 1985·Granted Jul 19, 1988·1 cites·12 claims
- 1621US4891192AProcess for the purification of traces of radioactive elements generated during the storage of uranium resulting from the reprocessing of irradiated nuclear fuelsPECHINEY URANIUM·Filed 1988·Granted Jan 2, 1990·4 cites·14 claims
- 1721US4702820APretreatment by alkaline wetting and holding at temperature of natural materials having an argillaceous gangue containing combustible elementsPECHINEY URANIUM·Filed 1986·Granted Oct 27, 1987·2 cites·11 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →