| Patents for C01G 41 - Compounds of tungsten (1,848) |
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| 05/06/2010 | US20100113254 Method for producing tungsten trioxide powder for photocatalyst, tungsten trioxide powder for photocatalyst, and photocatalyst product |
| 05/04/2010 | US7708974 Tungsten comprising nanomaterials and related nanotechnology |
| 05/04/2010 | US7708968 Precipitation as fine particles using aqueous base, annealing under flow of water saturated hydrogen anion gas |
| 04/29/2010 | WO2010046285A2 Heat absorbing additives |
| 04/29/2010 | US20100102700 Flame spray pyrolysis with versatile precursors for metal oxide nanoparticle synthesis and applications of submicron inorganic oxide compositions for transparent electrodes |
| 04/29/2010 | DE102009013788A1 Verfahren zum Herstellen von Wolframhexafluorid unter Verwendung eines Wirbelbettreaktors und Vorrichtung dafür A process for producing tungsten hexafluoride using a fluidized bed reactor and apparatus therefor |
| 04/28/2010 | CN101698511A Flake nano-ammonium metatungstate and application thereof |
| 04/22/2010 | US20100098619 Method for producing ammonium paratungstate hydrates and ammonium paratungstate decahydrate |
| 04/21/2010 | CN101696036A Preparation process of ammonium paratungstate |
| 04/15/2010 | WO2010041468A1 Hydrogen storage material, method for storing/releasing hydrogen, and method and apparatus for transporting hydrogen |
| 04/14/2010 | CN101693557A Novel method for preparing bismuth tungstate hollow ball |
| 04/08/2010 | WO2010037498A1 Method for producing tungsten trioxide (wo3) polymer hybrid compounds |
| 04/08/2010 | DE102008050413A1 Verfahren zur Herstellung von Wolframtrioxid (WO3)-Polymer-Hybridverbindungen A process for the production of tungsten trioxide (WO3) polymer hybrid compounds |
| 04/06/2010 | US7691776 Reacting alkanol with hydrogen sulfide using composite oxide catalyst; improved activity and selectivity with low molar ratios of hydrogen sulfide to methanol compared with the known catalysts, and thus leads to better economic efficiency of the process |
| 03/31/2010 | CN101684003A Mass production method of nano-PbWO4 |
| 03/24/2010 | CN101679650A Hot radiation shielding polyester film, and hot radiation shielding polyester film laminate |
| 03/16/2010 | US7678175 Metalothermic reduction of refractory metal oxides |
| 03/09/2010 | US7674450 Valve metal oxide powders and process for the production thereof |
| 03/04/2010 | WO2009129492A3 Matrix powder for matrix body fixed cutter bits |
| 03/04/2010 | US20100055016 Method of manufacturing oxide-based nano-structured material |
| 03/04/2010 | US20100051583 Method for preparing porous material using nanostructures and porous material prepared by the same |
| 02/25/2010 | WO2010020714A1 Tungsten-based vacancy-keggin-type heteropolyanion for hydrocracking |
| 02/25/2010 | CA2733579A1 Tungsten-based vacancy-keggin-type heteropolyanion for hydrocracking |
| 02/18/2010 | WO2010019351A1 Method for making ammonium metatungstate |
| 02/18/2010 | US20100040532 Method for making ammonium metatungstate |
| 02/10/2010 | EP2151468A1 Hot radiation shielding polyester film, and hot radiation shielding polyester film laminate |
| 02/10/2010 | CN101643245A Process for preparing high-purity ammonium paratungstate |
| 02/04/2010 | US20100028250 Method for production ofammonium paratungstate tetrahydrate and highly pure ammonium paratungstate tetrahydrate |
| 02/03/2010 | CN101641292A Method for producing tungsten trioxide powder for photocatalyst, tungsten trioxide powder for photocatalyst, and photocatalyst product |
| 02/02/2010 | US7655301 laminated glass is formed by sandwiching solar radiation blocking vinyl film containing mixed oxide of tungesten and a metal, between two pieces of sheet-glass, and solar energy incident from the laminated glass is blocked to reduce a load for cooling and feeling of heat; car, airplane windows |
| 01/13/2010 | EP2143762A1 Composition for producing vinyl chloride film for shielding heat ray, method for production of the composition, and vinyl chloride film for shielding heat ray |
| 01/06/2010 | CN101618893A Method for preparing ammonium metawolframate |
| 12/30/2009 | CN101613129A Method for removing chromium during recycling sodium tungstate from waste tungsten |
| 12/23/2009 | CN101607739A Closed cycle process for crystalline mother solution of ammonium paratungstate |
| 12/23/2009 | CN100572276C Metal composite oxides and their use as ionic conductors |
| 12/17/2009 | US20090311169 Combustion synthesis and doping of oxide semiconductors |
| 12/16/2009 | EP2133311A1 Zirconium oxalate sol |
| 12/16/2009 | EP2132142A2 A process for the synthesis of nanotubes and fullerene-like nanostructures of transition metals dichalcogenides, quasi one-dimensional structures of transition metals and oxides of transition metals |
| 12/15/2009 | CA2524774C Method for producing composite oxide of metal |
| 12/09/2009 | CN101600654A Method for producing ammonium paratungstate hydrates and ammonium paratungstate decahydrate |
| 12/09/2009 | CN101600653A Method for production of ammonium paratungstate tetrahydrate and highly pure ammonium paratungstate tetrahydrate |
| 12/02/2009 | EP2128087A1 Process for production of transition metal carbides and/or double carbides |
| 12/01/2009 | US7625542 Method for the production of metal carbides |
| 11/19/2009 | WO2009139715A1 A process for chlorinating resources containing recoverable metals |
| 11/19/2009 | CA2723288A1 A process for chlorinating resources containing recoverable metals |
| 11/18/2009 | EP2118018A1 Method for production of ammonium paratungstate tetrahydrate and highly pure ammonium paratungstate tetrahydrate |
| 11/18/2009 | EP2118017A1 Method for producing ammonium paratungstate hydrates and ammonium paratungstate decahydrate |
| 11/11/2009 | EP2114827A2 Procedure for the synthesis of threadlike tungsten oxide w5o14 |
| 11/11/2009 | CN100558823C Production process of high-temp resistant bismuth vanadate yellow ceramic pigment |
| 11/05/2009 | WO2009133053A1 Adsorption method for reclaiming molybdate or tungstate from aqueous solutions |
| 11/05/2009 | US20090274598 Process for Recovering Molybdate or Tungstate from Aqueous Solutions |
| 11/05/2009 | CA2724024A1 Process for recovering molybdate or tungstate from aqueous solutions |
| 11/04/2009 | EP2113575A1 Method of recovering molybdat and wolframat from aqueous solutions |
| 10/29/2009 | WO2009130924A1 Dendritic substances and structures containing the same |
| 10/29/2009 | WO2009059901A3 Heat shielding additives |
| 10/29/2009 | US20090267032 Hydrogen Gas Detecting Material and the Coating Method |
| 10/28/2009 | CN100554164C Production method of Ag2WO4 composite antibacterial agent by microwave heating process and application in sanitary ceramic glaze |
| 10/22/2009 | WO2009129492A2 Matrix powder for matrix body fixed cutter bits |
| 10/21/2009 | CN100551831C Visible light response Bi2WO6 photocatalyst fused salt preparation method |
| 10/08/2009 | WO2009121626A1 Method for producing a nanocrystalline molybdenum mixed oxide |
| 10/08/2009 | WO2009121624A1 Method for producing a mixed oxide containing molybdenum |
| 10/01/2009 | DE102007005287B4 Verfahren zur Herstellung von Ammoniumparawolframattetrahydrat und hochreines Ammoniumparawolframattetrahydrat Process for the preparation of high purity and Ammoniumparawolframattetrahydrat Ammoniumparawolframattetrahydrat |
| 09/23/2009 | EP2102109A2 Fusion process using an alkali metal metalate |
| 09/22/2009 | US7592288 Catalyst for the synthesis of alkyl mercaptan and process for the production thereof |
| 09/22/2009 | US7591984 Preparation of tungsten oxide |
| 09/15/2009 | CA2355119C Synthesis of heteropolyacids |
| 09/11/2009 | WO2009110234A1 Aqueous dispersion, coating material using the same, membrane using the same, and article using the same |
| 09/02/2009 | EP2021123B1 Gaseous phase process for the production of nano-scale particles |
| 08/27/2009 | DE102007005286B4 Verfahren zur Herstellung von Ammoniumparawolframathydraten und Ammoniumparawolframatdekahydrat Process for the preparation of ammonium paratungstate decahydrate and Ammoniumparawolframathydraten |
| 08/25/2009 | US7579103 Filter material for generating oxygen and/or hydrogen from a source |
| 08/18/2009 | US7575735 Nanorods, nanoarrays |
| 08/13/2009 | WO2008116081A3 Anderson-type heteropolyanions |
| 08/12/2009 | CN101503215A Preparation of photochromic MoO3 film |
| 08/12/2009 | CN100526215C Method for preparing (NH4)2WS4 |
| 08/05/2009 | EP2083936A1 Highly acidic composition containing zirconium and silicon oxides and an oxide of at least one element selected from titanium, aluminium, tungsten, molybdenum, cerium, iron, tin, zinc, and manganese |
| 08/05/2009 | CN101497460A Method for preparing heteropoly blue micrometre tube and use thereof |
| 08/04/2009 | US7569167 Sputtering target; radiation transparent; electroconductivity; a bixbyite structure indium oxide crystal phase containing tungsten in a solid solution and/or an indium tungstate compound crystal phase, with no tungsten oxide crystal phase; low electrical resistance |
| 07/23/2009 | US20090184281 doping on lattice level composition engineering, and sintering to produce a product with desirable properties; Tungsten-Doped Tin Oxide; Copper Doped Nickel Zinc Ferrite; semiconductors |
| 07/22/2009 | EP2079542A1 Highly acidic composition containing zirconium oxide, titanium oxide and tungsten oxide, method for preparing the same and use thereof in the treatment of exhaust gases |
| 07/21/2009 | CA2366095C Chromium removal from leach liquors produced during high pressure acid leaching of lateritic ores |
| 07/16/2009 | WO2009087144A1 Composition based on zirconium oxide, yttrium oxide and tungsten oxide, method of preparation and use as catalyst or catalyst support |
| 07/16/2009 | CA2710569A1 Composition based on zirconium oxide, yttrium oxide and tungsten oxide, method of preparation and use as catalyst or catalyst support |
| 07/14/2009 | US7559494 Method of forming non-stoichiometric nanoscale powder comprising temperature-processing of a stoichiometric metal compound |
| 07/01/2009 | CN101468815A Preparation method for phosphotungstic acid catalyst used for tetrahydrofuran polyreaction |
| 06/24/2009 | EP1255879A4 Method and composition for the prevention of high temperature corrosion due to alkali sulfates and alkali chlorides |
| 06/24/2009 | CN100503452C Preparation method of silicontungstic acid and its salt |
| 06/18/2009 | WO2009047324A3 Method for delaminating/exfoliating layered materials |
| 06/17/2009 | CN101456591A High purity and negative heat expansion rare-earth tungstate material and preparation thereof |
| 06/11/2009 | US20090148362 Method for recovering tungsten |
| 06/11/2009 | US20090148361 Processes and systems for recovering catalyst promoter from catalyst substrates |
| 06/03/2009 | CN101445275A Centrifugal extracting method for preparing ammonium tungstate solution from soda leach liquor of tungsten contained material |
| 06/03/2009 | CN100494075C Method for preparing stable sol of composite oxides of vanadium and tungsten |
| 05/28/2009 | WO2009065180A1 Non-metal doped metal oxide nanosheets and method of production thereof |
| 05/28/2009 | WO2009065179A1 Nanosheets with band gap modification agent and method of production thereof |
| 05/27/2009 | CN100491259C Preparation method of wolframic acid mercury nano material |
| 05/20/2009 | CN100489058C Synthesis of nanoparticles |
| 05/13/2009 | CN101428858A Method for producing high-purity tungsten hexafluoride with fluidized bed and equipment thereof |
| 05/13/2009 | CN100486900C Method for purifying tungsten hexafluoride |
| 05/12/2009 | US7531690 Palladium, tungsten and zirconium-based catalyst for production of oxygen-containing compound, production process of the catalyst, and production process of oxygen-containing compound using the catalyst |
| 05/06/2009 | EP1812336A4 Prepara on method of magnetic and metal oxide nanopar cles |