Patents for C01G 35 - Compounds of tantalum (1,004)
03/2007
03/14/2007CN1304151C Metalothermic reduction of refractory metal oxides
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
02/27/2007US7182925 Tantalum concentrates dissolution and purification method
02/22/2007WO2007021037A1 Inorganic porous object and process for producing the same
02/15/2007US20070034918 Ferroelectric film, semiconductor device, ferroelectric film manufacturing method, and ferroelectric film manufacturing apparatus
02/13/2007US7176245 Block copolymer processing for mesostructured inorganic oxide materials
02/13/2007US7175823 Purification method for producing high purity niobium compound and/or tantalum compound
01/2007
01/25/2007WO2007010874A1 Method for producing strontium bismuth tantalate fine particle
01/25/2007US20070020164 Process for producing fine metal oxide particles
01/24/2007CN1899728A Valve metal powders and process for producing them
01/24/2007CN1296283C Ceramic film and method for its preparation, and semiconductor device and piezoelectric element
01/11/2007US20070006797 Lithium tantalate substrate and method for producing same
01/04/2007DE10223707B4 Piezoelektrische Keramikzusammensetzung und Verfahren zum Herstellen der piezoelektrischen Keramikzusammensetzung The piezoelectric ceramic composition and method for producing the piezoelectric ceramic composition
12/2006
12/26/2006US7153487 covering surfaces of crystal wafers with sodium bicarbonate, potassium carbonate, calcium carbonate, calcium hydride, magnesium carbonate, lithium hydride, lithium carbonate or mixtures, then heating a non-oxidizing environment to reduce the wafers and cooling or quenching; filters; switches; detectors
12/21/2006US20060283354 Method of producing composition for forming dielectric film, composition for forming dielectric film, dielectric film and method of producing dielectric film
12/20/2006EP1734006A1 Method for producing tantalum oxide and/or niobium oxide in form of hollow particle
12/20/2006EP1734005A1 Tantalum oxide and/or niobium oxide and method for preparation thereof
12/13/2006CN1289402C Production process of tantalate or niobate compound
12/07/2006WO2005020284A3 Thin film dielectrics with perovskite structure and preparation thereof
11/2006
11/22/2006EP1723080A1 Chemically stable solid lithium ion conductors
11/21/2006US7138013 Ceramic film and method of manufacturing the same, semiconductor device, and piezoelectric device
11/01/2006CN1856599A Lithium tantalate substrate and method for producing same
11/01/2006CN1856598A Lithium tantalate substrate and process for producing the same
11/01/2006CN1853830A Metalothermic reduction of refractory metal oxides
10/2006
10/18/2006CN1849265A Valve metal-oxide powder and method for producing said powder
10/11/2006CN1845874A Process for producing fine metal oxide particles
10/05/2006US20060219055 Valve metal powders
10/04/2006EP1707611A2 Synthesis of nanoparticles
09/2006
09/21/2006WO2005115919A3 Using condensed chemicals to precondition lithium niobate and lithium tantalate crystals
09/12/2006US7105145 Method of producing ferroelectric metal oxide crystalline particles
09/06/2006EP1390172A4 Metalothermic reduction of refractory metal oxides
09/05/2006US7102229 Capacitor containing high purity tantalum
08/2006
08/30/2006EP1694779A1 Inorganic pigments
08/30/2006CN1826289A Methods of making a niobium metal oxide and oxygen reduced niobium oxides
08/23/2006EP1608595B1 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
08/22/2006US7094720 Ceramic containing barium oxide; high frequency
08/09/2006CN1268577C Dielectric ceramic compsn. and dielectric resonator
07/2006
07/26/2006CN1266032C Oxide material, method for preparing oxide thin film and element using said material
07/18/2006US7078130 Metallic mesoporous transition metal oxide molecular sieves, room temperature activation of dinitrogen and ammonia production
07/12/2006CN1800031A SrBi2Ta2O9 intercalation compound and its preparation method
06/2006
06/27/2006US7066979 Producing precursor of desired morphology, converting precursor into oxide of valve metal, stabilizing structure of oxide by heat treatment, reducing stabilized oxide while retaining morphology; electrolyte capacitors
06/22/2006WO2006064799A1 Composite metal oxide photocatalyst exhibiting responsibility to visible light
06/22/2006DE112004001599T5 Dielektrische keramische Zusammensetzung und keramisches elektronisches Bauelement The dielectric ceramic composition and ceramic electronic component
06/21/2006EP1670716A1 Process for producing fine metal oxide particles
06/21/2006EP1236224A4 Gate dielectrics and method of making with binary non-crystaline analogs of silicon dioxide
06/21/2006EP1232226B1 Synthesis of nanoparticles
06/21/2006CN1789144A Equipment and method for washing niobium hydroxide or tantalum hydroxide
06/15/2006US20060124048 Topological crystal of transition metal chalcogenide and method of forming the same
06/08/2006DE10296409B4 Tantaloxid oder Nioboxid-Pulver und Verfahren zu ihrer Herstellung Tantalum oxide or niobium oxide powder and method for its preparation
06/07/2006EP1663870A1 Valve metal-oxide powder and method for producing said powder
05/2006
05/25/2006US20060107888 Using condensed chemicals to precondition lithium niobate and lithium tantalate crystals
05/24/2006CN1777562A Phase formation of oxygen reduced valve metal oxides and granulation methods
05/10/2006CN1769168A Method for synthesizing nitride using metal oxide
04/2006
04/27/2006US20060088731 Ferroelectric film, ferroelectric capacitor, ferroelectric memory, piezoelectric element, semiconductor element, method of manufacturing ferroelectric film, and method of manufacturing ferroelectric capacitor
04/27/2006US20060088466 Vapor-deposition material for the production of layers of high refractive index
04/25/2006US7033566 Indium/transition metal-oxide catalyst allows for irradiation via both ultraviolet and visible light; for photochemically decomposing chemical substances (water); eliminates odors
04/20/2006US20060083933 Ferroelectric film, ferroelectric capacitor, ferroelectric memory, piezoelectric element, semiconductor element, method of manufacturing ferroelectric film, and method of manufacturing ferroelectric capacitor
04/19/2006EP1648034A1 Evaporation material comprising Ta2Ox with x = 4.81 bis 4.88, for the deposition of layers with high refraction
04/19/2006CN1251993C Dielectrical ceramic material
04/12/2006CN1759067A 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
04/06/2006US20060071165 Bulk synthesis of long nanotubes of transition metal chalcogenides
04/05/2006EP1641558A2 Method and apparatus for increasing bulk conductivity of a ferroelectric material
04/05/2006CN1756969A High refractive index layer production process of curable coating composition, antireflection film, polarizing plate and image display device using thereof
03/2006
03/30/2006DE19649669B4 Verfahren zur Auflösung und Reinigung von Tantalpentoxid A method for resolution and purification of tantalum pentoxide
03/15/2006CN1748264A Ferroelectric film, semiconductor device, ferroelectric film manufacturing method, and ferroelectric film manufacturing apparatus
03/02/2006US20060046320 Liquid composition for forming ferroelectric thin film and process for producing ferroelectric thin film
02/2006
02/08/2006EP1624468A1 Liquid composition for forming ferroelectric thin film and method for forming ferroelectric thin film
02/07/2006US6995106 Comprising oxides of barium, niobium, tantalum and one metal from zinc, cobalt, one metal from potassium, sodium and lithium; temperature coefficient of resonance frequency; firing at a lower temperature
01/2006
01/17/2006US6986879 Method for producing complex metal oxide powder
01/10/2006US6984370 Reacting a valve metal- fluoro compound with an ammonia containing solution under controlled temperature, ph and time to precipitate a valve metal pentoxide precursor, converting to the pentoxide, separating and recovering
12/2005
12/29/2005US20050284546 Tantalum sputtering target and method of manufacture
12/29/2005US20050284259 Tantalum sputtering target and method of manufacture
12/28/2005EP1608595A1 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
12/27/2005US6979434 Method for producing potassium fluorotantalate crystal being low in oxygen content and method for producing potassium fluoroniobate crystal being low in oxygen content, potassium fluorotantalate crystal being low in oxygen content and potassium fluoroniobate crystal
12/27/2005US6979429 Contacting the metal containing material with a mineral acid and a complexing agent to digest ore residue under temperature and pressure conditions suitable to form a (complexing agent)/(fluoride) complex and solubilize; separating
12/21/2005EP1607379A1 Material for thermal barrier coating
12/21/2005CN1711214A Method for producing fluorine-containing lithium compound
12/08/2005WO2005115919A2 Using condensed chemicals to precondition lithium niobate and lithium tantalate crystals
12/01/2005US20050265916 covering surfaces of crystal wafers with sodium bicarbonate, potassium carbonate, calcium carbonate, calcium hydride, magnesium carbonate, lithium hydride, lithium carbonate or mixtures, then heating a non-oxidizing environment to reduce the wafers and cooling or quenching; filters; switches; detectors
11/2005
11/30/2005EP1599419A1 Phase formation of oxygen reduced valve metal oxides and granulation methods
11/24/2005WO2005112259A1 Method of manufacturing lithium tantalate substrate for surface acoustic wave elements and lithium tantalate substrate manufactured by the same
11/24/2005DE102004010892B3 Chemically stable solid Li ion conductor of garnet-like crystal structure and high Li ion conductivity useful for batteries, accumulators, supercaps, fuel cells, sensors, windows displays
11/23/2005CN1228249C Method for producing potassium fluorotantalate crystal being low in oxygen content and method for producing potassium fluoroniobate crystal being low in oxygen content, potassium fluorotantalate cryst
11/17/2005US20050255035 Purification method for producing high purity niobium compound and/or tantalum compound
11/09/2005EP1594142A1 Ferroelectric film, semiconductor device, ferroelectric film manufacturing method, and ferroelectric film manufacturing apparatus
11/09/2005CN1226232C Piezoelectric ceramics composition, piezoelectric ceramic element and process for producing piezoelectric ceramic composition
10/2005
10/25/2005US6958257 Tantalum sputtering target and method of manufacture
10/20/2005US20050232850 Process for producing niobium and tantalum compounds
10/19/2005CN1685082A Thin film of oxidic materials having a high dielectric constant
10/19/2005CN1223424C Process for preparing niobic powder and/or tantalum powder
10/18/2005US6955938 Tantalum sputtering target and method of manufacture
10/13/2005WO2005095278A1 Production of metal-oxide highly crystalline and high-purity nanoparticles
10/13/2005US20050226805 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
10/06/2005US20050220993 Thin film of oxidic materials having a high dielectric constant
10/05/2005CN1678531A Method and apparatus for increasing bulk conductivity of a ferroelectric material
09/2005
09/29/2005US20050214469 Method and apparatus for increasing bulk conductivity of a ferroelectric material
09/28/2005CN1673090A Process and apparatus for producing powders of metal compound containing oxygen, and the powders produced by the process
09/22/2005WO2005087668A1 Method for producing tantalum oxide and/or niobium oxide in form of hollow particle
09/22/2005WO2005087667A1 Tantalum oxide and/or niobium oxide and method for preparation thereof
09/22/2005US20050204514 Process and apparatus for producing powders of metal compound containing oxygen, and the powders produced by the process
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