| Patents for C01F 17 - Compounds of the rare-earth metals, i.e. scandium, yttrium, lanthanum, or the group of the lanthanides (4,902) |
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| 04/01/1987 | EP0216688A1 Process for treating rare-earth ores |
| 04/01/1987 | EP0216687A1 Process for treating rare-earth ores |
| 04/01/1987 | EP0216473A1 Extraction of cesium and strontium from nuclear waste |
| 03/18/1987 | CN86105892A Process for treatment of ores of rare earth metals |
| 03/18/1987 | CN86105862A Process for treatment of rare earth metals |
| 03/17/1987 | US4650652 Dissolving, precipitation of oxalates, baking |
| 03/03/1987 | US4647440 Heteropolyacid adduct of crown ether |
| 03/03/1987 | US4647438 Separation of rare earth values by liquid/liquid extraction |
| 03/03/1987 | US4647401 Process for preparing colloidal ceric oxide and complexes thereof with free organic acids |
| 02/04/1987 | EP0210934A1 Process for separating and valorizing rare-earth metals and uranium of an uranium tetrafluoride concentrate |
| 02/04/1987 | EP0210928A1 Extracting agents and propane diamides, their use to recover actinides and/or lanthanides and process for their preparation |
| 02/04/1987 | CN85102248A Process for extracting raze-earth by groups with solvent and enriching terbium |
| 01/21/1987 | EP0209448A1 Process for the preparation of precursors of derivatives of rare earths, and products obtained |
| 01/21/1987 | CN85106015A Mixed rare earth of lanthanum and cerium |
| 01/17/1987 | CN85102244A Phosphonates lle separation of rare earth elements |
| 01/17/1987 | CN85102220A Separation of high purity yttrium by solvent extraction |
| 01/17/1987 | CN85101652A Liquid-liquid extraction process for separating rare-earth elements |
| 01/14/1987 | EP0208581A1 Cerium IV compound and method for its preparation |
| 01/14/1987 | EP0208580A1 Cerium IV compound and method for its preparation |
| 01/13/1987 | US4636369 Acidification, aluminum and iron compounds |
| 01/10/1987 | CN85102270A Process for seperation of yttrium and preparation of rare-earths mixture at low content of the same by solvent extraction |
| 01/07/1987 | EP0207857A2 Composition containing ceric oxide, its preparation and its use |
| 01/06/1987 | USH197 Good high-temperature thermoelectric properties |
| 12/30/1986 | EP0206907A1 Process for the preparation of a colloidal dispersion of a metallic cation compound in an organic solvent and the sols obtained |
| 12/30/1986 | EP0206906A2 Colloidal dispersions of a cerium IV compound in an aqueous medium, and process for obtaining it |
| 12/30/1986 | EP0206870A1 Pigments based upon cerium and praeseodymium, process for their preparation and their uses |
| 12/30/1986 | EP0205454A1 Process for the preparation of ultrapure active metal fluorides. |
| 12/09/1986 | US4627966 Formation of fine particle sinterable ceramic powders |
| 12/03/1986 | EP0203838A2 Use of coloured pigments based on rare earths sulphurs in plastics, paints, or vanishes |
| 12/02/1986 | US4626280 Recovery of tungsten, scandium, iron, and manganese from tungsten bearing material |
| 11/25/1986 | US4624703 Recovery of tungsten, scandium, iron, and manganese values from tungsten bearing material |
| 11/12/1986 | CN85103671A Glazing slurry containing rare earth suspending agent and its application in glasslining industry |
| 10/28/1986 | US4619792 Process for making an optically transmissive body |
| 10/22/1986 | EP0198736A1 Process for the separation of cerium and rare earths |
| 10/22/1986 | CN85103081A Process for producing powder metallic oxide from aqueous solutions or solid mixtures of metal nitrates |
| 10/14/1986 | CA1212517A1 Oxygen-deficient, barium-containing perovskites |
| 10/14/1986 | CA1212514A1 Highly soluble ceric sulphate |
| 10/08/1986 | CN86100169A Process for purification of aqueous solutions of rare earth salts by liquid-liquid extraction |
| 10/01/1986 | CN85100813A Metallothermic reduction of rare earth oxides |
| 09/24/1986 | CN86101332A Process for separation of cerium and rare earths |
| 09/24/1986 | CN85101885A Separation of mixed rare-earth elements by extraction |
| 09/17/1986 | CN85102529A Collecting rare-earth from ion type rare-earth ore and the process for its comprehensive |
| 09/17/1986 | CN85102210A Process for seperation of mixed rare-earths by ammoniated ehehpa |
| 09/17/1986 | CN85101594A No-lead electrostrictive material |
| 09/09/1986 | US4610867 Calcium-cerium oxide |
| 09/03/1986 | CN85100812A Metallothermic reduction of rare earth oxides with calcium metal |
| 08/19/1986 | US4606847 Process for the preparation of a dispersable product containing a cerium compound in association with a selected metal |
| 08/19/1986 | US4606846 Mixed rare earth metal, divalent transition metal, aluminum oxide |
| 08/13/1986 | CN85100506A Manufacture of resintered silicon nitride ceramics |
| 08/06/1986 | CN85100148A Extraction for producing fluorescene grade lanthanum oxide |
| 07/30/1986 | EP0188868A1 Ceramic compound and air electrode materials for high-temperature electrochemical cells |
| 07/30/1986 | CN85101874A Separation and extraction of high purity thulium oxide and lutecium oxide by method of p507 elution resin chromatography |
| 07/30/1986 | CN85101611A Separation of high purity dysprosium oxide and holmium oxide by extraction chromatography with p507 extraction elution resin |
| 07/23/1986 | EP0188394A1 Process for purifying an aqueous solution of rare-earth salt by liquid-liquid extraction |
| 07/17/1986 | WO1986004048A1 Process for the preparation of ultrapure active metal fluorides |
| 07/09/1986 | CN85100247A Preparation of bivalent europium activated barium fluochloride by carbon reduction |
| 07/08/1986 | US4599175 Process for separating and purifying metallic elements by displacement chromatography |
| 07/02/1986 | EP0186313A2 Preparation of dispersible cerium compounds |
| 06/10/1986 | CN85108961A Composite porous material, process for production and sepparation of metallic element |
| 05/20/1986 | US4590405 Luminescent screens |
| 04/15/1986 | CA1203244A1 Process for preparing colloidal ceric oxide and complexes thereof with free organic acids |
| 04/09/1986 | EP0177198A2 A method for the preparation of an amorphous metal oxide composite, and amorphous metal oxide composites, including catalysts, prepared thereby |
| 03/11/1986 | US4575464 Vapor deposition; purity |
| 03/11/1986 | CA1201597A1 Process for the extraction and separation of uranium, thorium and rare earths involving treatment of their aqueous chloride solutions |
| 03/11/1986 | CA1201581A1 Luminescent screen |
| 03/11/1986 | CA1201580A1 Luminescent screen |
| 03/05/1986 | EP0173484A2 Process for the separation of gadelinium isotopes |
| 03/04/1986 | US4574072 Method for extracting lanthanides and actinides from acid solutions by modification of purex solvent |
| 02/25/1986 | US4572802 Extraction with diamides |
| 02/13/1986 | WO1986000831A1 Method for producing thin films of rare earth chalcogenides |
| 01/20/1986 | EP0148833A4 Method of making yttrium silicon oxynitrides. |
| 12/31/1985 | US4562124 Air electrode material for high temperature electrochemical cells |
| 12/27/1985 | EP0165391A1 Process for converting into a usable form actinide ions contained in the solid residue resulting from the sulfate of organic radioactive wastes containing actinides |
| 12/03/1985 | CA1197382A1 Process for separating the actinides and lanthanides present in the trivalent state in an acid aqueous solution |
| 11/12/1985 | US4552851 Formation of yttrium aluminate as sintering aid for silicon nitride bodies |
| 10/22/1985 | US4548790 Dialkylcarbamoylmethylphospine oxide derivates as extractants |
| 10/09/1985 | EP0157249A1 Process for the recycling of fluorescent materials |
| 10/08/1985 | US4545967 Stabilized lanthanum sulphur compounds |
| 10/08/1985 | US4545923 Process for preparing colloidal ceric oxide and complexes thereof with free organic acids |
| 10/02/1985 | EP0156735A1 Process for separating rare earths by liquid-liquid extraction |
| 10/02/1985 | EP0156617A2 Production of metal fluorides |
| 10/02/1985 | EP0156491A2 Formation of fine particle sinterable ceramic powders |
| 08/28/1985 | EP0153228A1 Cerium dioxide with morphological characteristics, and process for its preparation |
| 08/28/1985 | EP0153227A1 Cerium dioxide with morphological characteristics, and process for its preparation |
| 07/24/1985 | EP0148833A1 Method of making yttrium silicon oxynitrides. |
| 06/25/1985 | US4525460 Single-crystal material based on aluminium garnets |
| 05/28/1985 | US4519986 Treating thorium oxide with hydrofluoric acid and exposing the hydrate formed with fluoride compound |
| 04/30/1985 | US4514367 Method for separating rare earth metals |
| 04/30/1985 | CA1186195A1 Compounds |
| 04/23/1985 | CA1185898A1 Isotope generator |
| 02/26/1985 | US4501723 Mixing yttrium and silicon oxide, and silicon nitride, heating, grinding |
| 02/14/1985 | WO1985000583A1 Method of making yttrium silicon oxynitrides |
| 02/05/1985 | US4497785 Production of rare earth compounds |
| 01/30/1985 | EP0132321A1 Optical materials from intercalation of polyvalent cations in beta double prime alumina |
| 01/29/1985 | US4496523 Solvent extraction by forming complex of acid, nitrogen compound, and metal |
| 11/21/1984 | EP0125810A1 Oxygen-deficient, barium-containing perovskites |
| 11/13/1984 | US4482644 Oxygen-deficient, barium-containing perovskites |
| 08/22/1984 | EP0116483A1 Process for recovering uranium, yttrium, thorium and rare earth metals from an organic phase |
| 08/14/1984 | US4465778 Sinterable fluorite oxide ceramics |
| 08/14/1984 | US4465656 Process for preparation of water-free oxide material |