Sulfates

Patents Grantslast 30 patents

  • Information Patent Grant

    Processes for rare earths recovery from wet-process phosphoric acid

    • Patent number 9,869,005
    • Issue date Jan 16, 2018
    • K-TECHNOLOGIES, INC.
    • William W. Berry
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process for the electrocatalytic reducing dissolving of refractory...

    • Patent number 5,830,342
    • Issue date Nov 3, 1998
    • Commissariat a l'Energie Atomique
    • Xavier Machuron-Mandard
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Ceric oxide with new morphological characteristics and method for o...

    • Patent number 5,174,984
    • Issue date Dec 29, 1992
    • Rhone-Poulenc Chimie
    • Jean-Luc Le Loarer
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Novel cerium oxide particulates

    • Patent number 5,080,877
    • Issue date Jan 14, 1992
    • Rhone-Poulenc Specialties Chimiques
    • Jean-Yves Chane-Ching
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Recovery of rare earth values from gypsum

    • Patent number 5,034,201
    • Issue date Jul 23, 1991
    • Rhone-Poulenc Chimie
    • Francinet Cailly
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for obtaining a ceric oxide

    • Patent number 5,023,070
    • Issue date Jun 11, 1991
    • Rhone-Poulenc Chimie
    • Jean-Luc Le Loarer
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Ceric oxide with new morphological characteristics and method for o...

    • Patent number 5,011,671
    • Issue date Apr 30, 1991
    • Rhone-Poulenc Chimie
    • Jean-Luc Le Loarer
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for obtaining ceric oxide

    • Patent number 5,002,747
    • Issue date Mar 26, 1991
    • Rhone-Poulenc Chimie
    • Jean-Luc Le Loarer
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Recovery of lanthanides

    • Patent number 4,973,455
    • Issue date Nov 27, 1990
    • Union Oil Company of California
    • George L. Tilley
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for the preparation of cerium oxide particulates

    • Patent number 4,661,330
    • Issue date Apr 28, 1987
    • Rhone-Poulenc Specialties Chimiques
    • Jean-Yves Chane-Ching
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method of treating a rare-earth mineral

    • Patent number 4,417,965
    • Issue date Nov 29, 1983
    • Inoue-Japax Research Incorporated
    • Kiyoshi Inoue
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Recovery of gadolinium and gallium oxides

    • Patent number 4,375,453
    • Issue date Mar 1, 1983
    • Allied Corporation
    • David Nalewajek
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3616326

    • Patent number 3,616,326
    • Issue date Oct 26, 1971
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3582493

    • Patent number 3,582,493
    • Issue date Jun 1, 1971
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3515509

    • Patent number 3,515,509
    • Issue date Jun 2, 1970
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3486992

    • Patent number 3,486,992
    • Issue date Dec 30, 1969
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    2988421

    • Patent number 2,988,421
    • Issue date Jun 13, 1961
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2222924

    • Patent number 2,222,924
    • Issue date Nov 26, 1940
    • C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents