| Patents for C01G 31 - Compounds of vanadium (2,341) |
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| 05/23/1989 | US4832924 Phenolic crosslinking chelate resin |
| 05/03/1989 | EP0314166A1 Process for the production of monodisperse ceramic powders |
| 04/26/1989 | EP0313282A2 Oxidation of metal (oxo)halides |
| 04/25/1989 | US4824222 Solid solution of molybdenum, tungsten, zirconium and/or niobium; vanadium and/or titanium |
| 04/20/1989 | WO1989003244A1 Process for producing pulverulent mixed phases with a catalytic action |
| 04/06/1989 | WO1989002869A1 Process for preparing metallic oxides |
| 03/28/1989 | US4816243 Hydrazine reducing agents |
| 03/28/1989 | US4816236 Blending with alkali metal source, roasting, fusing, leaching with water, and filtration |
| 03/21/1989 | US4814150 Process for the high-yield recovery of vanadium from petroleum combustion residues |
| 03/21/1989 | US4814149 Solvent extraction, stripping, purification |
| 02/28/1989 | US4808387 Adding acyl halide |
| 02/22/1989 | EP0304399A1 Process for preparing bismuth vanadates |
| 02/01/1989 | CN1030792A Recovery of vanadium oxide |
| 01/17/1989 | US4798709 Recovering vanadium, pressure leaching |
| 11/29/1988 | US4788044 Method for recovering vanadium from residues from the combustion of petroleum fractions |
| 11/17/1988 | EP0291361A2 Stabilization of vanadium tetrachloride |
| 11/17/1988 | EP0291359A2 Vanadium tetrachloride stabilization |
| 11/15/1988 | CA1244629A1 Method of synthesizing carbon film and carbon particles in a vapor phase |
| 11/09/1988 | EP0290308A1 Process for the recuperation of vanadium |
| 10/25/1988 | CA1243729A1 Electrochemical cell structures and materials therefor |
| 10/20/1988 | DE3711371A1 Process for winning V2O5 |
| 10/12/1988 | EP0286503A1 Conducting oxide-nitride perovskites, their preparation and their use, particularly as an electrode material |
| 10/04/1988 | CA1242682A1 Removal of inorganic contaminants from catalysts |
| 09/27/1988 | CA1242327A1 Process for removing metals from aluminosilicate materials |
| 09/14/1988 | EP0282218A2 Layered divalent metal compositions |
| 09/07/1988 | EP0280812A1 Superconductivity in square - planar compound systems |
| 08/10/1988 | CN87107765A Super conductivity in squar-planar compound systems |
| 08/09/1988 | US4762961 Preparation of vanadium III oxidic compounds and dehydrogenation of paraffins |
| 08/03/1988 | CN86108218B One time vanadium dregs roasting in rotary furnace and extraction of vanadium by the aquo-soaking |
| 07/27/1988 | CN87108227A Mixed la-mg aluminate and laser made from aluminate single-crystal |
| 07/14/1988 | WO1988005029A1 Superconductivity in square-planar compound systems |
| 07/13/1988 | EP0274298A1 Mixed aluminates of lanthanium-magnesium, and lasers using single crystals of these aluminates |
| 06/21/1988 | US4752460 Inorganic compounds based on bismuth vanadate |
| 06/14/1988 | CA1237900A1 Method for leaching and recovering vanadium from vanadium bearing by-product materials |
| 05/03/1988 | US4741893 Process for producing fluorides of metals |
| 04/27/1988 | EP0264747A1 Process for preparation of an oxidation catalyst |
| 04/26/1988 | CA1235578A1 Process for reducing metal ions in aqueous solutions |
| 04/20/1988 | CN86106595A Production process of vanadium pentaoxide |
| 04/12/1988 | US4737355 Preparation of vanadium III oxidic compounds, and dehydrogenation of paraffins |
| 04/06/1988 | EP0262963A2 Process for recovering vanadium-free molybdenum from solution |
| 03/15/1988 | US4731187 Removal of heavy metals from waste water |
| 03/08/1988 | US4729889 Hydrogen sulfide; refractory metal oxide support-binary metal oxide mix; mixed oxide of copper or manganese |
| 02/23/1988 | CA1233013A1 Recovery of vanadium oxide |
| 02/17/1988 | EP0255877A2 Method for dehalogenation of a halide and catalyst used therefor |
| 01/26/1988 | US4721606 Recovery of metal values from spent catalysts |
| 01/26/1988 | CA1231840A1 Method for precipitating vanadium from vanadium bearing liquors and recovering vanadium pentoxide |
| 10/07/1987 | CN86101957A Process of separating and recovering valuable elements from pig iron |
| 09/30/1987 | EP0239526A2 Inorganic compounds based on bismuth vanadate |
| 09/16/1987 | EP0236306A1 Removal of inorganic contaminants from catalysts |
| 08/26/1987 | CN87101977A Technology for concentration and extraction of vanadium penta oxide from a dilute vanadium-containing solution |
| 08/18/1987 | US4687643 Hydrated metal oxides; calcined |
| 08/12/1987 | CN86108218A One time vanadium dregs roasting in rotary furnace and extraction of vanadium by the aquo-soaking |
| 07/14/1987 | US4680168 Extraction of Group 8 metals from organic solutions |
| 07/09/1987 | DE3600038A1 Process for preparing vanadium oxides low in alkali |
| 06/16/1987 | EP0225674A2 Vanadium recovery process |
| 06/02/1987 | US4670244 Using ferrophosphorus reducing agent |
| 06/02/1987 | US4670229 Slurrying, oxygen pressurization leaching |
| 05/26/1987 | US4668653 Method for the incorporation of metals into high temperature antimony oxide |
| 05/19/1987 | US4666685 Hydrodesulfurization catalyst |
| 05/05/1987 | CA1221244A1 Recovering metals from spent hydroprocessing catalysts |
| 04/28/1987 | US4661240 Low sulfur coke using dispersed calcium |
| 04/28/1987 | EP0203189A4 Method of recovery of gold and other metals. |
| 03/12/1987 | WO1987001303A1 Removal of inorganic contaminants from catalysts |
| 03/10/1987 | US4649031 Process for recovering rare metals from the combustion residue of coal by digestion |
| 02/25/1987 | EP0211305A2 Metal scavenging process |
| 02/24/1987 | US4645651 Sodium carbonate, sodium sulfate comminution, presipitation, melting leaching |
| 02/03/1987 | US4640823 Alkaline leaching of vanadium bearing residues |
| 01/29/1987 | DE3526491A1 Process for working up vanadium-containing used catalysts |
| 01/21/1987 | EP0209272A1 Extracting metal values from metal containing particles |
| 01/20/1987 | US4637920 Treating with sulfuric acid, reducing with iron scraps, precipitation with ammonia |
| 12/30/1986 | EP0206377A2 Extraction of transition metals from organic solutions |
| 12/24/1986 | CN85104559A Process for the separation of metal compounds by reduction |
| 12/03/1986 | EP0203189A1 Method of recovery of gold and other metals |
| 12/02/1986 | US4627064 Mixed oxides for tunable lasers |
| 10/28/1986 | US4619822 Novel process for the synthesis of vanadium oxide, V6 O13 |
| 09/02/1986 | CA1210746A1 Recovering metal compounds from used catalysts obtained from hydroprocessing hydrocarbon feedstocks |
| 08/27/1986 | CN85108150A Process for reducing residual sulphur content in claus waste gas |
| 08/20/1986 | CN85100779A Mfr. of an inorganic mo-w yellow dye |
| 08/19/1986 | CA1209785A1 Compositions |
| 06/24/1986 | US4596752 Thermal cell comprising lithium anode, molten salt electrolyte, active cathode material comprising lithium, vanadium, oxygen |
| 06/19/1986 | WO1986003480A1 Method of recovery of gold and other metals |
| 06/10/1986 | US4594235 Process for the production of vanadium carbide |
| 06/05/1986 | WO1986003188A1 Recovering vanadium values from ammonium bicarbonate solution using heat, sulfuric acid, and ammonium sulfate |
| 05/06/1986 | US4587116 Process for treating chlorinated nitrogen-containing hydrocarbons |
| 05/06/1986 | US4587109 Process for the separate recovery of molybdenum and vanadium |
| 04/29/1986 | US4585628 Oxidation, com-lexing, solvent extraction |
| 04/23/1986 | EP0178498A2 Process for the reduction of metal ions in aqueous solutions |
| 04/15/1986 | US4582688 Process for recovery of mineral values |
| 04/01/1986 | US4579721 Process for recovering metals from waste |
| 03/04/1986 | US4574078 Hydrolysis, roasting |
| 02/25/1986 | CA1200981A1 Recovery of vanadium from carbonaceous materials |
| 01/08/1986 | EP0167394A2 Process for removing metals from aluminosilicate materials |
| 12/17/1985 | US4559313 Removal of inorganic contaminants from catalysts |
| 11/21/1985 | EP0161977A1 Process for the synthesis of vanadium oxide |
| 11/19/1985 | US4554138 Leaching metals from spent hydroprocessing catalysts with ammonium sulfate |
| 11/05/1985 | US4551315 With sulfuric acid |
| 10/22/1985 | US4548792 Method for precipitating vanadium from vanadium bearing liquors and recovering vanadium pentoxide |
| 10/02/1985 | EP0156617A2 Production of metal fluorides |
| 10/01/1985 | US4544533 Recovering vanadium values from ammonium bicarbonate solution using heat, sulfuric acid, and ammonium sulfate |
| 09/17/1985 | US4542009 Synthesis of intercalatable layered stable transition metal chalcogenides and alkali metal-transition metal chalcogenides |