Patents for C01G 27 - Compounds of hafnium (508)
06/2010
06/09/2010CN101723453A Method for preparing BaHfO3:Ce nano-powder by solid phase synthesis method
06/09/2010CN101723452A Preparation technology for hafnium carbonate
05/2010
05/25/2010US7723610 Titanium oxide-based sol-gel polymer
05/04/2010US7708962 hydrolysis of HfCl4 and ZrCl4 mixture in an aqueous solution of strong inorganic acid, ion exchanging using divinylbenzene-styrene resin grafted with trimethylammonium chloride, elution and recovery of a fraction of aqueous solution rich in Hf ( as HfCl4 )
04/2010
04/15/2010WO2009132460A9 Method of treating metalliferrous materials
04/14/2010EP2173657A1 Method for preparing oxide material
04/08/2010WO2010038206A1 Zirconium derivative powder
04/08/2010WO2010038205A1 Method for manufacturing a zirconium derivative, hydrate, or oxide
04/08/2010WO2010038204A1 Zirconium oxide powder
04/08/2010WO2010038203A1 Zirconium hydrate powder
03/2010
03/04/2010US20100055016 Method of manufacturing oxide-based nano-structured material
02/2010
02/24/2010EP2155612A2 Method for producing carbon coated nanoparticles of a transition metal oxide
02/04/2010WO2010014979A1 Methods for the preparation of germanium and silicon nanocrystals
01/2010
01/05/2010US7642210 A zirconia porous body with pore diameters of 8-20 nm and 30-100 nm in a poredistribution; total pore volume of >0.4 cc/g enhanced surface area of >30 m2/g; superior heat resistance; catalyst carrier for oxidation of waste gases of exhaust systems for internal combustion engines
12/2009
12/15/2009US7632769 A zirconia porous body with pore diameters of 8-20 nm and 30-100 nm in a poredistribution; total pore volume of >0.4 cc/g enhanced surface area of >30 m2/g; superior heat resistance; catalyst carrier for oxidation of waste gases of exhaust systems for internal combustion engines
12/10/2009WO2009114253A3 Immersion lithography using hafnium-based nanoparticles
11/2009
11/17/2009US7618601 Process for enrichment of anatase mechanical concentrates in order to obtain synthetic rutile with low contents of rare earth and radioactive elements
11/05/2009WO2009132460A1 Method of treating metalliferrous materials
11/05/2009CA2722707A1 Method of treating metalliferrous materials
11/03/2009US7612011 Ceria-based mixed-metal oxide structure, including method of making and use
11/03/2009US7611688 Rutile titania nano sols and process for manufacturing the same
10/2009
10/20/2009US7604789 Porous composite oxide and production method thereof
10/13/2009US7601327 Mesoporous oxide of hafnium
09/2009
09/30/2009CN100545094C Method for separating zirconium and hafnium
09/17/2009WO2009114253A2 Immersion lithography using hafnium-based nanoparticles
09/03/2009US20090220374 Method and apparatus for using solution precursors for atomic layer deposition
08/2009
08/13/2009US20090202427 Process for preparing mixed metal oxide powders
08/05/2009EP2084107A2 Granules of metals and metal oxides
07/2009
07/23/2009US20090185965 Method for separating zirconium and hafnium
07/08/2009CN101475216A Method for preparing scintillator material nano powder by sol-gel method
07/08/2009CN100509144C Zirconia extrudates
05/2009
05/28/2009WO2009065180A1 Non-metal doped metal oxide nanosheets and method of production thereof
05/28/2009WO2009065179A1 Nanosheets with band gap modification agent and method of production thereof
05/07/2009US20090117018 Process for the Separation and Purification of Hafnium and Zirconium
04/2009
04/28/2009US7524482 Octahedrons form infinite chains which develop along the axis of a fiber; titanium oxychloride in hydrocholic acid and dimethylformamide; ultraviolet irradiation in an inert atmosphere and reduced with zinc; photosensitive element in a photovoltaic cell, a sunscreen for a window
04/02/2009US20090087716 Nanotube assembly, bipolar plate and process of making the same
03/2009
03/25/2009EP2038451A2 Corrosion resistant thermal barrier coating material
03/19/2009US20090074655 Nanoparticles, and a Method of Sol-Gel Processing
03/12/2009WO2009004187A3 Method for producing carbon coated nanoparticles of a transition metal oxide
03/05/2009US20090061257 Flaky titanic acid having polymerizable functional groups, suspension of the same, and coating films made therefrom
03/04/2009CN101378994A Nanoparticles, and a method of sol-gel processing
02/2009
02/11/2009CN100460533C Method for separating zirconium and hafnium tetrachloride with aid of melted solvent
01/2009
01/15/2009WO2008061895A3 Granules of metals and metal oxides
01/08/2009WO2009004187A2 Method for producing carbon coated nanoparticles of a transition metal oxide
01/08/2009CA2690121A1 Method for producing carbon coated nanoparticles of a transition metal oxide
12/2008
12/11/2008WO2008148399A1 Method for preparing oxide material
10/2008
10/23/2008US20080260612 Oxidation of metallic materials as part of an extraction, purification and/or refining process
10/01/2008CN100423346C Method for low-temp. preparing nano-crystal zirconium-oxide base solid electrolyte
09/2008
09/25/2008US20080233030 Process for Manufacturing an Electrochemical Device
09/24/2008EP1971550A1 Nanoparticles, and a method of sol-gel processing
09/10/2008CN100417744C Lomposite metallic inorganic source of zirconium hafnium and titanium composited anhydrous nitrate and its synthesis method
08/2008
08/06/2008EP1953268A1 Thermal barrier coatings with low thermal conductivity comprising lanthanide sesquioxides
08/06/2008EP1953267A1 Thermal barrier coatings with low thermal conductivity comprising lanthanide sesquioxides
07/2008
07/15/2008US7399716 Precursor for hafnium oxide layer and method for forming hafnium oxide film using the precursor
07/01/2008US7393466 Compositions and methods for anion absorbent metal hydroxides
06/2008
06/17/2008CA2437758C Thermal barrier coatings with low thermal conductivity
05/2008
05/20/2008US7374817 Topological crystal of transition metal chalcogenide and method of forming the same
05/14/2008EP1379704B1 Method for separating zirconium and hafnium tetrachloride with the aid of a melted solvent
04/2008
04/23/2008EP1812339B1 Process for preparing element halides
03/2008
03/19/2008EP1831106A4 Mesoporous metal oxide
02/2008
02/07/2008US20080031791 Process for the Separaton of Hafnium and Zirconium
01/2008
01/03/2008DE102006030002A1 Herstellung pyrogener Metalloxide in temperierten Reaktionskammern Fumed metal oxides in temperate reaction chambers
12/2007
12/19/2007CN100356519C Precursor containing a nitrogen compound bound to hfcl4 for hafnium oxide layer and method for forming hafnium oxide film using the precursor
12/19/2007CN100355916C Method for separating hafnium from zirconium
11/2007
11/08/2007US20070256978 Block polymer processing for mesostructured inorganic oxide materials
11/06/2007US7291408 Thermal barrier coatings with low thermal conductivity
10/2007
10/16/2007US7282192 Catalyst; oxides of Titanium, Zirconium or Hafnium, an oxide of a Lanthanide or Actinide, and sulfur; decomposing ethers into alcohols and/or olefins
09/2007
09/19/2007CN101039878A Method for separating zirconium and hafnium
09/12/2007EP1831106A1 Mesoporous metal oxide
08/2007
08/07/2007US7252767 Hydrous zirconium oxide, hydrous hafnium oxide and method of making same
08/01/2007EP1812339A1 Method for producing elemental halides
07/2007
07/18/2007EP1807353A2 Method for separating zirconium and hafnium
07/04/2007CN1993295A Method for separating and purifying hafnium and zirconium
06/2007
06/28/2007WO2006053676A8 Process for preparing element halides
06/28/2007US20070148066 Process to obtain titanium concentrates with high contents of tio2 and low contents of radionuclide elements from anatase mechanical concentrates
06/21/2007US20070140951 Nano-sized particles, processes of making, compositions and uses thereof
06/19/2007US7232558 Electrically conductive fibers of Ti4O7 and Ti5O9
06/07/2007WO2007064230A1 Nanoparticles, and a method of sol-gel processing
06/05/2007US7226672 Turbine components with thermal barrier coatings
05/2007
05/24/2007WO2006023633A3 Treatment of liquid using porous polymer containment member
05/15/2007US7217407 Plasma synthesis of metal oxide nanoparticles
05/10/2007US20070105228 Ceria-based mixed-metal oxide structure, including method of making and use
04/2007
04/26/2007US20070093382 catalyst support; calcined nanocrystalline precipitates; used in a water gas shift reaction as a catalytic reformer, providing hydrogen fuel for a fuel cell
04/18/2007EP1773720A2 Method for separating and purifying hafnium and zirconium
04/05/2007WO2006040458A3 Method for separating zirconium and hafnium
03/2007
03/27/2007US7196211 A dialkylnitrogenhafnium material including 50-650 ppm of zirconium to produce by metal organic chemical vapor deposition/oxidation a barrier film of hafnium oxide on a semiconductor substrate; vaporization stability/higher film formation rate; excellent step coverage; dielectrics; optics; electrolytes
03/20/2007US7192623 Thin layer of hafnium oxide and deposit process
03/14/2007CN1927725A Process of preparing atomic energy level zirconium dioxide and hafnium oxide by methyl isobutanone double solvent extraction method
03/01/2007DE102005052444A1 Preparation of highly pure metal alkoxide comprises mixing the metal alkoxides with haloalkoxides, raw alkoxide and alcohols, and subsequently adding metal oxide containing halogen, raw alkoxides and ammonia
02/2007
02/27/2007US7183604 High dielectric constant device
02/22/2007WO2007021037A1 Inorganic porous object and process for producing the same
02/15/2007US20070037690 Zirconia extrudates
02/15/2007US20070036710 Zirconia extrudates
02/13/2007US7176245 Block copolymer processing for mesostructured inorganic oxide materials
02/08/2007WO2006063757A3 Water-free metal oxide colloids and metal oxide polymers, method for the production thereof and use thereof
01/2007
01/30/2007US7169297 pH adjuster-based system for treating liquids
01/23/2007US7166263 A catalyst support, with large surface area per weight, a calcined nanocrystalline precipitates; used in a water gas shift reaction as a catalytic reforming, providing hydrogen fuel for a fuel cell
12/2006
12/28/2006US20060292049 Process for producing rutile
12/21/2006US20060283354 Method of producing composition for forming dielectric film, composition for forming dielectric film, dielectric film and method of producing dielectric film
11/2006
11/30/2006DE102005024107A1 Preparation of elemental halide, useful for e.g. preparing elements e.g. aluminum (by dehalogenation), comprises contacting element containing material (with carbon material) with gaseous halogen and/or gaseous halo compounds under heating
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