Patents for C01G 39 - Compounds of molybdenum (2,001)
05/1982
05/19/1982EP0051999A1 Intercalated layered mixed oxides
05/04/1982US4328191 Process for the recovery of molybdenum from spent catalysts
04/1982
04/13/1982US4324768 Reaction of lead monoxide with acid in presence of hydroxylamine salt
03/1982
03/16/1982CA1119775A1 Process for preparation of lead compounds
03/02/1982US4317802 Process for separating molybdenum and/or other metals contained in residual organic effluents
03/02/1982US4317801 Recovery of molybdenum from spent catalyst solutions from hydroperoxide epoxidations
02/1982
02/23/1982US4316746 Acetic acid, nitric acid
02/16/1982US4315896 Recovery of molybdenum as an aqueous solution from spent catalyst
01/1982
01/27/1982EP0044583A1 Process for the preparation of supported molybdenum/tungsten compositions and their use for the isomerization and disproportionation of olefins
12/1981
12/30/1981EP0042803A1 Non-aqueous cell using a cathode comprising the reaction product of bismuth trioxide and molybdenum trioxide and an electrolyte based on 3-methyl-2-oxazolidone
12/22/1981US4307065 Precipitating ammonium molybdate
12/15/1981CA1114174A1 Recovery of elemental sulfur and metal values from tailings from copper recovery processes
12/08/1981US4304757 Method of controlling the molybdenum content of uranium yellowcake
12/08/1981US4304729 Compounds formed by combining transition metal halides or oxyhalides, or aluminum chloride, with alkaline earth metal halides
12/01/1981US4303634 Method of catalyst preparation
12/01/1981US4303623 Sulfiding
12/01/1981US4303622 Chemical treatment of low-grade wolframite concentrate having high Mo/WO3 ratio
11/1981
11/17/1981US4301220 And having a metal anode and organic electrolyte and solvent
11/17/1981CA1112720A1 Cell having cathodes derived from ammonium-molybdenum- chalcogen compounds
10/1981
10/20/1981US4296077 Recovery of molybdenum values from leach muds
09/1981
09/29/1981US4292282 Process for recovering metals from catalysts for the hydrodesulfurization of hydrocarbons
09/29/1981CA1109643A1 Process for producing purified ammonium molybdate solution
09/21/1981EP0028648A4 Method for recovering molybdenum from tungsten solutions.
09/08/1981US4288413 Sulfiding
08/1981
08/11/1981CA1106649A1 Antifriction alloy
07/1981
07/28/1981US4281048 Battery cathode and method of making same
07/14/1981US4278642 Sulfidizing
07/14/1981CA1104830A1 Recovery of molybdenum from uranium liquors
06/1981
06/30/1981US4276199 Impregnating support with hydrogen molybdenum (or tungsten) octacyanide, roasting, catalysts
06/23/1981US4275039 Separation of tungsten and molybdenum by solvent extraction
06/23/1981CA1103424A1 Chalcogenides and method of preparation
06/16/1981US4273745 Production of molybdenum oxide from ammonium molybdate solutions
06/16/1981CA1103034A1 Process for recovering molybdenum from waste
06/09/1981US4272494 Method for recovering metals of groups V-VI of the periodic system from solutions and pulps
05/1981
05/20/1981EP0028648A1 Method for recovering molybdenum from tungsten solutions.
04/1981
04/14/1981US4261741 Iron molybdenum sulfides
04/08/1981EP0026502A1 Process for treating an organic phase containing ferric chloride, molybdenum chloride and hydrochloric acid
04/07/1981CA1098715A1 Purifying molybdenum flotation concentrates
03/1981
03/24/1981CA1097926A1 Process for reducing molybdenum and carbonate contamination of uranium yellowcake
03/10/1981US4255396 Extracting with di-2-ethylhexyl phosphoric acid with dinonylnaphthalene sulfonic acid as a modifier
02/1981
02/17/1981US4251606 Battery
02/03/1981CA1094781A1 Hydrometallurgical processing for molybdenite ore concentrates
01/1981
01/13/1981US4245017 By coating a metal foil with a chalcogenide in an oil, baking and oxidizing or carbonizing
01/06/1981US4243554 From ammonium thiomulybdates
01/06/1981US4243553 Production of improved molybdenum disulfide catalysts
11/1980
11/27/1980WO1980002554A1 Method for recovering molybdenum from tungsten solutions
11/11/1980US4233254 Thermosetting resin binder
10/1980
10/29/1980EP0018307A1 Method for the preparation of molybdenum-surface-compounds and their uses
10/15/1980EP0017285A1 Process for the recovery of metals from catalysts used in the hydrodesulfurization of hydrocarbons
10/07/1980US4226836 Method for separating molybdenum values from sea nodules
10/01/1980EP0015938A1 Recovery of elemental sulfur and metal values from tailings from copper recovery processes
09/1980
09/16/1980CA1085619A1 Method of selectively recovering molybdenum from aqueous solutions thereof
09/09/1980US4221828 Process of producing metal sulfide powder coated with copper
09/09/1980US4221588 Oxidation roasting of ore
09/03/1980EP0014957A1 Process for separating technetium-99m from molybdenum-99
07/1980
07/08/1980US4211753 Iron hydroxide ammonium molybdate complex
06/1980
06/10/1980US4207296 From molybdenum trioxide containing potassium impurities
06/10/1980CA1079053A1 Corrosion inhibiting molybdate pigment and preparation thereof
05/1980
05/20/1980US4203822 Perselective membrane
04/1980
04/29/1980CA1076362A1 Process for the recovery of vanadium and molybdenum
04/22/1980US4199551 Recovery of molybdenum and uranium from activated charcoal containing molybdenum and residual uranium
04/08/1980US4197161 Process for the recovery of catalysts in the epoxidation and hydroxylation of olefinic compounds
01/1980
01/29/1980CA1070455A1 Molybdate orange pigment with improved thermal stability
01/08/1980US4182747 Chlorides of aluminum, molybdenum, vanadium, cobalt, nickel; separating hydrocarbons impregnating waste catalyst support; chlorinating; passing effluent through sodium chloride
11/1979
11/20/1979CA1066481A1 Process for treating molybdenite concentrates to produce a lubricant grade product
11/15/1979WO1979000906A1 Recovery of elemental sulfur and metal values from tailings from copper recovery processes
10/1979
10/23/1979CA1064678A1 Process for purifying technical grade molybdenum oxide
09/1979
09/04/1979CA1061574A1 Solvent extraction recovery of metals using quinoline derivative
08/1979
08/28/1979US4166160 Cells having cathodes derived from ammonium-molybdenum-chalcogen compounds
08/21/1979US4165362 Hydrometallurgical processing of molybdenite ore concentrates
08/14/1979CA1060184A1 Method for reducing molybdenum trioxide content of cases issuing from reactors containing molybdenum-based catalysts
05/1979
05/16/1979EP0001953A1 Antifriction alloy, process for the manufacture thereof, and die and lubricant containing such an alloy
05/08/1979CA1053911A1 Molybdenum oxide purification process
03/1979
03/20/1979CA1050731A1 Hydrometallurgical production of technical grade molybdic oxide from molybdenite concentrates
02/1979
02/06/1979US4138248 Recovery of elemental sulfur and metal values from tailings from copper recovery processes
01/1979
01/02/1979US4132667 Corrosion inhibiting molybdate pigment and preparation thereof
09/1978
09/19/1978US4115513 Slurrying in hydrochloric acid, ion exchanging, stripping
06/1978
06/20/1978US4096087 Electrochromic and photochromic material and a method of fabrication of said material
04/1978
04/11/1978US4083921 Purifying molybdenum flotation concentrates
03/1978
03/14/1978US4079116 Process for producing ammonium heptamolybdate and/or ammonium dimolybdate
02/1978
02/21/1978US4075278 Process for recovering molybdenum values from spent catalysts
09/1977
09/27/1977US4051221 Process for the separate recovery of vanadium and molybdenum
09/06/1977US4046852 Alkali molybdates from impure molybdenum sulfide
08/1977
08/30/1977US4045216 Direct reduction of molybdenum oxide to substantially metallic molybdenum
06/1977
06/14/1977US4029636 Method for reducing molybdenum trioxide content of gases issuing from reactors containing molybdenum-based catalysts
05/1977
05/31/1977US4026988 Selective extraction of molybdenum from acidic leach liquors
04/1977
04/12/1977US4017583 Volitilization process for separation of molybdenum-99 from irradiated uranium
02/1977
02/01/1977US4006107 Method of producing ternary lead molybdenum sulfides
12/1976
12/28/1976US4000244 Wet-chemical digestion of molybdenum sulphide containing material
11/1976
11/09/1976US3991156 Process for treating molybdenite concentrates to produce a lubricant grade product
10/1976
10/26/1976US3988418 Hydrometallurgical production of technical grade molybdic oxide from molybdenite concentrates
07/1976
07/13/1976US3969478 Process for separation of tungsten and molybdenum by extraction
06/1976
06/15/1976US3963823 Sulfuric-nitric acid, ammonium hydroxide
05/1976
05/18/1976US3957946 Molybdenum oxide purification process
03/1976
03/30/1976US3947332 Preparation of heteropoly acids of tungsten and molybdenum
03/09/1976US3942998 Molybdate orange pigment with improved thermal stability
02/1976
02/17/1976US3939252 From gadolinium oxide, molybdenum trioxide and lithium molybdate
02/17/1976US3939245 Sulfuric acid, hydrogen sulfide, recycle
01/1976
01/20/1976US3933971 Molybdenum recovery
01/13/1976US3932580 H2so4, roasting, leaching, nh(3), crystallization of nh42moo4
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