Patents for C01G 35 - Compounds of tantalum (1,004)
02/2009
02/04/2009CN100457612C Method for preparing fine grains of tantalum carbide
02/03/2009US7485257 Valve metal powders
01/2009
01/08/2009WO2008121081A3 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
12/2008
12/31/2008CN100447188C High activity photo-catalyst
12/25/2008US20080317663 Lithium Tantalate Substrate and Process for its Manufacture
12/18/2008DE10142692B4 Verfahren zum Reinigen einer Tantal-Verbindung A method for purifying a tantalum compound
12/17/2008CN100443441C Crystal oriented ceramics and production method of same
11/2008
11/27/2008WO2008143160A1 Piezoelectric ceramic, and piezoelectric, dielectric, and pyroelectric elements using the piezoelectric ceramic
11/26/2008CN100436614C Methods to reduce hydrosulphide and arsine emissions during wet ore processing
11/04/2008US7445762 Method to partially reduce calcined niobium metal oxide and oxygen reduced niobium oxides
10/2008
10/29/2008CN101294003A Process of curable coating composition, antireflection film, polarizing plate and image display device using thereof
10/28/2008US7442250 Lithium tantalate substrate and method for producing same
10/23/2008US20080260939 Sintered bodies based on niobium suboxide
10/16/2008WO2008122458A1 Piezoelectric, lead-free ceramic composition, method for producing the same and piezoelectric component comprising said material
10/08/2008CN100424148C Thermochromic material
09/2008
09/25/2008US20080233030 Process for Manufacturing an Electrochemical Device
09/24/2008EP1972607A1 Anisotropically shaped ceramic particles and process for production of the same
09/24/2008EP1971550A1 Nanoparticles, and a method of sol-gel processing
09/18/2008US20080227303 Vapor deposition process; semiconductor; high dielectric constants,used for capacitor dielectrics and gate dielectrics; random access memory devices
09/03/2008CN100415640C Ultra-fine high-nitrogen tantalum nitride powder and its preparation method
09/02/2008US7419926 Sintered bodies based on niobium suboxide
08/2008
08/28/2008US20080206124 Method of producing nano-scaled graphene and inorganic platelets and their nanocomposites
08/27/2008CN100413785C Method for producing fluorinated potassium tantalate crystal and fluorinated potassium tantalate crystal
08/13/2008EP1481103B1 Method to reduce hydrosulphide and arsine emissions during wet ore processing
07/2008
07/24/2008DE19841774B4 Verfahren zur Herstellung einer hochreinen Tantalverbindung A process for producing a high-purity tantalum compound
07/23/2008CN100404463C Sintered bodies based on niobium suboxide
07/16/2008CN101219807A Anode material of lithium cell and solid-phase sintering production method at high temperature
07/16/2008CN101219806A Anode material of lithium cell and solid-phase sintering production method at high temperature
07/09/2008CN101215684A Ferroelectric film, semiconductor device, ferroelectric film manufacturing method, and ferroelectric film manufacturing apparatus
06/2008
06/04/2008EP1293479B1 Meso-porous transition metal oxide having crystallized pore wall and method for preparing the same
06/03/2008US7381397 Using condensed chemicals to precondition lithium niobate and lithium tantalate crystals
05/2008
05/28/2008CN100390570C High refractive index layer production process of curable coating composition, antireflection film, polarizing plate and image display device using thereof
05/20/2008US7374817 Topological crystal of transition metal chalcogenide and method of forming the same
05/14/2008CN100387528C SrBi2Ta2O9 intercalation compound and its preparation method
05/13/2008US7371473 Film of an oxide: Pb(ZrTi)1-xNbxO3 where x is greater than 0.1 and less than or equal to 0.4; does not require a barrier film
04/2008
04/16/2008EP1910080A2 Niobium oxide compositions, nanostructures, bioactive forms and uses thereof
04/01/2008US7351271 Method of manufacturing niobium and/or tantalum powder
03/2008
03/25/2008US7347983 Having pyrochlore structure, wherein minor variations are tolerated for formation of required phase
03/20/2008DE10291037B4 Verfahren zur Herstellung von Tantal- und Niobalkoholaten A process for producing tantalum and Niobalkoholaten
03/06/2008WO2008026470A1 Imide complex, method for producing the same, metal-containing thin film and method for producing the same
02/2008
02/28/2008WO2008023650A1 Thermoelectric material, method for producing the same, and thermoelectric converter
02/13/2008CN100368284C Method for synthesizing nitride using metal oxide
02/06/2008CN100366541C Phase formation of oxygen reduced valve metal oxides and granulation methods
02/05/2008US7326398 Blending TaCl5, NbCl5, mixture or Al isopropoxide to the solution composed of a on aliphatic normal alcohol and 1 g of template compound, adding water to hydrolyze and polymerize the salt, crystallization, calcination, removal of carbon from the pores
01/2008
01/31/2008US20080025912 Valve Metal Oxide Powders And Process For The Production Thereof
01/17/2008DE102006032590A1 Hydrothermales Verfahren zur Herstellung von nano- bis mikroskaligen Partikeln The hydrothermal process for the preparation of nano- to microscale particles
01/16/2008EP1878698A2 Hydrothermal method for manufacturing nano to microscale particles
01/09/2008EP1876146A2 Method of manufacturing complex metal oxide powder and amorphous complex metal oxide
01/03/2008US20080003161 Method of manufacturing complex metal oxide powder and amorphous complex metal oxide
01/02/2008EP1694779B1 Inorganic pigments
01/01/2008US7314607 Hydrolysis and polymerization of two Zn, Zr, Nb, and/or Ta salts to form a sol solution using a polymeric surfactant (Pluronic), gelling, calcining at 400 +/- 50 degrees C for 5-20 hours, then carrying out a secondary calcination at 600-800 degrees C. for 10 minutes to 10 hours
12/2007
12/20/2007US20070292613 Thin Film Dielectrics With Perovskite Structure and Preparation Thereof
12/12/2007CN100354205C Method and apparatus for increasing bulk conductivity of a ferroelectric material
12/04/2007US7304008 Crystal mixed oxides of bismuth, tantalum, niobium, molybdenum, chromium, and/or tungsten; coatings for household appliances; heat resistance, stability, discoloration inhibition
11/2007
11/28/2007EP1860079A1 Grain oriented ceramics and a production process thereof, as well as an anisotropically-shaped powder and a production process thereof
11/28/2007CN100351436C Lithium tantalate substrate and method for producing same
11/20/2007US7297322 feeding at least one material selected from a liquid material and a solution material obtained by dissolving solid ingredient in organic solvent via a liquid flow controller into a vaporizer, vaporizing the materials in the vaporizer; adding oxygen; heating; cooling; and crystallizing
11/14/2007CN100348785C Lithium tantalate substrate and process for producing the same
11/14/2007CN100348497C Mg2mm' 06+x, ( m=y, rare earth metal, and m'=sn, sb, zr, hf, and ta) compounds and a method for the production of the same
11/08/2007US20070256978 Block polymer processing for mesostructured inorganic oxide materials
10/2007
10/16/2007US7282187 Separating and removing fluorine values from the starting material;leaching to solubilize metal values contained in the remaining material and generate an aqueous solution comprising solubilized metal values; extracting a solubilized metal value from aqueous solution
10/03/2007EP1177153B1 Bulk synthesis of long nanotubes of transition metal chalcogenides
10/03/2007EP0990059B1 Low temperature chemical vapor deposition process for forming bismuth-containing ceramic thin films useful in ferroelectric memory devices
10/02/2007US7276225 A calcined niobium pentoxide powder having: a BET surface area less than or equal to 3 m2/g; and a packed bulk density of greater than 1.8 g/cc.; narrow particle size distribution
09/2007
09/26/2007CN100339308C Powder of tantalum oxide or niobium oxide, and method for production thereof
08/2007
08/16/2007US20070189957 Method for producing tantalum oxide and/or niobium oxide in form of hollow particle
08/15/2007EP1090153B1 Method of producing high purity tantalum for sputtering targets
08/14/2007US7255941 Ferroelectric film, ferroelectric capacitor, ferroelectric memory, piezoelectric element, semiconductor element, method of manufacturing ferroelectric film, and method of manufacturing ferroelectric capacitor
08/09/2007US20070183946 Process and apparatus for producing powders of metal compound containing oxygen, and the powders produced by the process
08/08/2007CN101014540A Chemically stable solid lithium ion conductors
08/02/2007US20070178040 Tantalum oxide and/or niobium oxide and method for preparation thereof
08/02/2007US20070178028 Apparatus for production of metal chloride
07/2007
07/25/2007CN101003371A Method for preparing fine grains of tantalum carbide
07/18/2007CN1326779C Method of preparing electron tube metallic oxide precusor
07/18/2007CN1326570C Parmagnetic nanoparticle
07/10/2007US7241436 Methods to partially reduce certain metal oxides and oxygen reduced metal oxides
07/10/2007US7241399 Generation of preferential nanoparticles; obtain reaction mixture containing chemical intermediates, heat, recover lattice crystal of nanoparticles
07/05/2007US20070151481 Thermal barrier coating material
06/2007
06/28/2007US20070148553 Chemically stable solid lithium ion conductor
06/28/2007US20070144402 mixing SnO, SnA and M2O5 in an appropriate ratio to produce a reaction mixture; wherein A is S or Se; and M is Nb or Ta, heating the reaction mixture to a temperature of between 800 and 1100 degrees C., and cooling the product to form tinoxysulfide or tinoxyselenide containing Ta or Nb; brightnesss
06/27/2007EP1368065B1 Paramagnetic nanoparticle
06/07/2007WO2007064230A1 Nanoparticles, and a method of sol-gel processing
05/2007
05/31/2007US20070122337 working in the state of a substrate a lithium tantalate crystal grown by the Czochralski method is buried in a mixed powder of Al and Al2O3, followed by heat treatment; lithium tantalate having volume resistivity which has been controlled within the range of from 1010 to 1013 Omega cm.
05/29/2007US7223377 Dissolving a transition metal salt in a polymer surfactant in an organic solvent, hydrolyzing the transition metal salt and/or metal alkoxide, andpreparing a polymerized sol solution, obtaining a framework-stabilized gel, then removing the polymer surfactactant
05/22/2007US7220397 Overcoating niobium oxide with binder, lubricant
05/17/2007US20070111074 Novel metal composite oxides containing strontium and ionic conductors using the same
05/16/2007CN1315733C Preparation method of stable water-soluble niobium and tantalum precursor and application thereof
05/08/2007US7214362 Dissolving a niobium compound including tantalum as an impurity in an HydroFluoric acid solution; precipitating crystals of a niobium compound, separating, dissolving the precipitated crystals in an aqueous solution, adding an organic solvent, extracting and recovering a highly pure niobium compound
04/2007
04/25/2007CN1954036A Inorganic pigments
04/24/2007US7208324 Liquid composition for forming ferroelectric thin film and process for producing ferroelectric thin film
04/24/2007US7208135 reacting alkoxides of titanium, zirconium, niobium or tantalum with metal hydroxides, metal carboxylates, metal hydroxycarbonates, metal carbonates of other elements of the Periodic Table of the Elements in an alcohol or a glycol ether at elevated temperature
04/19/2007US20070087249 Composite oxides comprising strontium, lantanium, yttrium and ionic conductors using the same
04/18/2007CN1948161A Nano-crystal large poresize mesopore oxide material and its preparation method
04/17/2007US7205256 solid solution of a perovskite or perovskite lamellar structure oxide with a catalytic substance containing silicon, germanium, and tin dissolved; semiconductors
04/11/2007CN1946638A Method for producing tantalum oxide and/or niobium oxide in form of hollow particle
04/04/2007EP1405890A4 Thermochromic material
03/2007
03/29/2007DE10347702B4 Sinterkörper auf Basis Niobsuboxid Sintered body based on niobium suboxide
03/21/2007EP1378490B1 Method for producing high purity potassium fluorotantalate crystal or high purity potassium fluoroniobate crystal and recrystallization vessel for use in the method for production, and potassium fluorotantalate crystal or high purity potassium fluoroniobate crystal produced by the method for product
03/14/2007CN1930087A Tantalum oxide and/or niobium oxide and method for preparation thereof
03/14/2007CN1304279C Method for producing fluorine-containing lithium compound
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