| Patents for C01G 31 - Compounds of vanadium (2,341) |
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| 09/10/1985 | US4540562 Solvent extraction stripping |
| 09/03/1985 | US4539186 Method for leaching and recovering vanadium from vanadium bearing by-product materials |
| 08/20/1985 | US4536374 Process using carbonate reagent for recovering vanadium from cokes and ashes derived from heavy oils |
| 08/20/1985 | CA1192061A1 Oxygen stabilized zirconium vanadium intermetallic compound |
| 07/17/1985 | EP0148656A1 New mixed oxides for tunable lasers |
| 07/02/1985 | US4526762 Recovery of vanadium from acidic solutions thereof |
| 06/19/1985 | EP0145261A2 Electrochemical cell structures |
| 06/18/1985 | US4524049 Vanadium and nickel |
| 06/04/1985 | US4521383 Lime addition to heavy crude oils prior to coking |
| 06/04/1985 | US4521382 Pollution control |
| 05/07/1985 | US4515757 Stripping a solution containing molybdenum, tungsten and/or vanadium values |
| 04/30/1985 | US4514369 Recovery of cobalt, molybdenum, nickel, tungsten and vanadium from an aqueous ammonia and ammonium salt solution by coextracting molybdenum, tungsten and vanadium and sequential extraction of nickel and cobalt |
| 04/30/1985 | US4514368 Leaching nickel, cobalt, molybdenum, tungsten, and vanadium from spent hydroprocessing catalysts |
| 04/09/1985 | CA1185202A1 Process for the recovery of pentavalent vanadium compounds from acid catalyst extracts |
| 03/26/1985 | CA1184387A1 Process for recovering rare metals from the combustion residue of coal by digestion |
| 03/26/1985 | CA1184386A1 Process for the separate recovery of molybdenum and vanadium |
| 03/20/1985 | EP0134351A1 Recovery of vanadium oxide |
| 02/19/1985 | US4500495 Roasting, contacting with aqueous ammonia and sulfur dioxide, precipitation with hydrogen sulfide |
| 01/23/1985 | EP0131685A2 Synthetic expanded layered minerals and process for producing them |
| 01/22/1985 | US4495157 Recovery of metal values from spent hydrodesulfurization catalysts |
| 01/22/1985 | CA1181239A1 Simultaneous oxidation and extraction of vanadium from wet-process phosphoric acid |
| 12/04/1984 | US4486400 Vanadium oxide synthesis |
| 11/20/1984 | CA1178062A1 Recovery of vanadium |
| 09/18/1984 | US4472360 Heating; leaching residue |
| 09/05/1984 | EP0117755A2 Process and apparatus for preparing metal oxide particles |
| 08/28/1984 | US4468373 Process for solvent extraction of vanadate and molybdate anions |
| 06/26/1984 | CA1169661A1 Process using carbonate reagent for recovering vanadium from cokes derived from heavy oils |
| 06/12/1984 | US4454244 Catalytic smectites by roasting a cluster compound and reaction product of a di- and trivalent metal salt |
| 05/08/1984 | US4447403 Method for autoclave oxidation of ion species aqueous solutions |
| 04/17/1984 | US4443415 Recovery of V2 O5 and nickel values from petroleum coke |
| 04/10/1984 | US4442074 Recovery of cobalt, molybdenum, nickel and vanadium from an aqueous ammonia and ammonium salt solution by serial extraction of nickel and cobalt and coextracting molybdenum and vanadium |
| 04/03/1984 | CA1164644A1 Layered compounds of mixed oxides and lewis bases |
| 04/03/1984 | CA1164642A1 Intercalated layered mixed oxides |
| 03/28/1984 | EP0103940A1 Process for preparing vanadium halides |
| 03/20/1984 | US4438077 Two stage selective oxidative leach method to separately recover uranium and refractory uranium-mineral complexes |
| 03/20/1984 | CA1163810A1 Process for the removal of vanadium-containing acid from an acid-extracted deactivated demetallization catalyst |
| 03/13/1984 | US4436706 Oxidation of tri- and tetravalent vanadium |
| 02/28/1984 | US4434141 Leaching spent hydroprocessing catalysts |
| 02/28/1984 | US4434140 Stripping a solution containing molybdenum and vanadium values |
| 02/21/1984 | US4432953 Leaching cobalt from spent hydroprocessing catalysts with sulfur dioxide |
| 02/21/1984 | US4432949 Precipitating vanadium by cooling, extraction of nickel with hydroxyoxime, cobalt with oximes, dioximes, or diketones, and molybdenum and tungsten with tertiary amine |
| 01/24/1984 | US4427640 Separation of components free of each other |
| 12/13/1983 | US4420464 Treatment with oxidizing gas in alkali metal carbonate metl |
| 11/15/1983 | CA1156953A1 Lime addition to heavy crude oils prior to coking |
| 11/15/1983 | CA1156952A1 Formation of coke from heavy crude oils in the presence of calcium carbonate |
| 08/23/1983 | CA1152283A1 Process for producing chloride of elements of group iii, iv or v of periodic table |
| 07/26/1983 | CA1150478A1 Process for the production of vanadium carbide |
| 06/21/1983 | US4389378 Heating in an oxidizing atmosphere at a temperature below the melting point of the sulfate; leaching with water |
| 05/03/1983 | US4382068 Method for selective recovery of molybdenum and vanadium values from spent catalysts |
| 04/05/1983 | CA1143952A1 Process for recovering metals from catalysts for the hydrodesulfurization of hydrocarbons |
| 03/23/1983 | EP0074675A2 A process for the recovery of pentavalent vanadium compounds from acid catalyst extracts |
| 03/15/1983 | US4376709 Ion exchanging |
| 11/09/1982 | US4358429 Oxygen stabilized zirconium vanadium intermetallic compound |
| 10/19/1982 | US4355162 Layered compounds of mixed oxides and Lewis bases |
| 08/10/1982 | US4343687 Production of chain reactions by laser chemistry |
| 07/27/1982 | US4341743 Simultaneous oxidation and extraction of vanadium from wet-process phosphoric acid |
| 06/30/1982 | EP0009038B1 Soluble compound of vanadium used in a method of removing hydrogen sulphide from a gas mixture |
| 05/19/1982 | EP0051999A1 Intercalated layered mixed oxides |
| 05/19/1982 | EP0051997A1 Layered compounds of mixed oxides and Lewis bases |
| 04/27/1982 | US4327062 Process for producing chloride of elements of Group III, IV or V of Periodic Table |
| 04/27/1982 | US4327061 Recovering uanadium values or uranium values |
| 04/07/1982 | EP0049064A1 Recovery of vanadium |
| 04/06/1982 | US4323480 Method of preparing di and poly chalcogenides of group IVb, Vb, molybdenum and tungsten transition metals by low temperature precipitation from non-aqueous solution and the product obtained by said method |
| 03/16/1982 | US4320097 Recovery of vanadium from acidic solutions thereof |
| 03/09/1982 | CA1119382A1 Production of stable vanadium tetrachloride |
| 02/23/1982 | CA1118748A1 Titanium and vanadium trichloride catalysts for polymerization of olephins |
| 02/16/1982 | US4315905 Process for producing an electronically conductive oxidizer material |
| 01/19/1982 | CA1116582A1 Process for extracting vanadium from deactivated catalysts |
| 01/05/1982 | US4309290 Magnetically supported particle matrix for accumulating or affecting substances dissolved or finally dispersed in liquids or gas |
| 12/08/1981 | US4304755 Apparatus for manufacturing vanadium pentoxide |
| 12/08/1981 | CA1113683A1 Rechargeable nonaqueous cell with a chalcogenide-containing electrode |
| 11/10/1981 | US4299892 Amorphous and sheet dichalcogenides of Group IVb, Vb, molybdenum and tungsten |
| 11/03/1981 | US4298582 Selectively dissolving a vanadate from its mixture with a tungstate and molybdate followed by reprecipitation |
| 10/27/1981 | US4297462 Polymerization of monoolefins using an aluminum-titanium catalyst system |
| 10/06/1981 | CA1110221A1 Process for extracting vanadium from deactivated catalysts |
| 09/29/1981 | US4292282 Process for recovering metals from catalysts for the hydrodesulfurization of hydrocarbons |
| 09/02/1981 | EP0034897A1 Process for producing chlorides of elements of group III, IV or V of periodic table |
| 09/02/1981 | EP0034853A1 Process for the removal of vanadium-containing acid from an acid-extracted deactivated demetallization catalyst |
| 09/01/1981 | CA1108110A1 Chemical compositions based on titanium trihalides and methods for their production and use |
| 08/18/1981 | US4284601 Surfactant foams and their use |
| 07/21/1981 | US4279871 Process for treating chlorinated titaniferous material to remove vanadium |
| 06/23/1981 | CA1103424A1 Chalcogenides and method of preparation |
| 06/09/1981 | US4272296 Bismuth vanadate and barium sulfate coprecipitated and calcined, yellow |
| 04/07/1981 | CA1098714A1 Process for recovering vanadium accumulated on spent catalyst |
| 03/24/1981 | CA1097888A1 Recovery of vanadium values |
| 03/10/1981 | CA1097031A1 Pigmentary bright primrose yellow monoclinic bismuth vanadate and processes for the preparation thereof |
| 02/17/1981 | US4251283 Bismuth vanadate pigments and process for preparing same |
| 02/17/1981 | CA1095689A1 Simultaneous extraction and recovery of uranium and vanadium from wet process acids |
| 02/10/1981 | CA1095572A1 Electrothermal fluidized bed furnace |
| 02/10/1981 | CA1095257A1 Recovery of vanadate compounds from aqueous solutions |
| 01/27/1981 | CA1094327A1 Metal extraction process |
| 12/23/1980 | US4241021 With removable and replaceable injectors |
| 12/09/1980 | CA1091040A1 Method of recovering metals out of soot originating from the combustion of oil |
| 11/26/1980 | EP0019422A2 A fluidized bed reactor system |
| 11/18/1980 | CA1089630A1 Process for the preparation of pigmentary bright primrose yellow bismuth vanadate |
| 10/28/1980 | US4230500 Inorganic pigments and method for preparing same |
| 10/15/1980 | EP0017285A1 Process for the recovery of metals from catalysts used in the hydrodesulfurization of hydrocarbons |
| 10/07/1980 | CA1086963A1 Process for the recovery of non-ferrous metals from acidic hydrometallurgical leach liquors with a chelate exchange resin |
| 08/05/1980 | US4216118 Process for recovering vanadium accumulated on spent catalyst |
| 08/05/1980 | US4216053 Atomizing, heating, cooling |