| Patents for C01G 35 - Compounds of tantalum (1,004) |
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| 04/29/2004 | US20040080991 Method of forming ferroelectric film, ferroelectric memory, method of manufacturing the same, semiconductor device, and method of manufacturing the same |
| 04/28/2004 | CN1492838A Powder of tantalum oxide or niobium oxide, and method for production thereof |
| 04/22/2004 | US20040077493 Metallic mesoporous transition metal oxide molecular sieves, room temperature activation of dinitrogen and ammonia production |
| 04/21/2004 | CN1491118A Parmagnetic nanoparticle |
| 04/15/2004 | DE10296409T5 Tantaloxid oder Nioboxid-Pulver und Verfahren zu ihrer Herstellung Tantalum oxide or niobium oxide powder and method for its preparation |
| 04/08/2004 | WO2004028999A2 Thin films of oxidic materials having a high dielectric constant |
| 04/07/2004 | EP1405890A1 Thermochromic material |
| 04/01/2004 | US20040062709 Reacting tantalum and niobium powders with ammonium; precipitation, separation; oxidation |
| 03/17/2004 | CN1483001A 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 |
| 03/16/2004 | US6706210 Forming cathodoluminescent materials stimulatable by very low energy electrons |
| 02/26/2004 | US20040038415 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 bein low in oxygen content and potassium fluoroniobate crystal bein low in oxygen produced by the methods, a |
| 02/25/2004 | EP1390172A1 Metalothermic reduction of refractory metal oxides |
| 02/24/2004 | US6696585 Nonshrinking photopolymerizable dental or bone repair materials; tantalum oxide bound to vinyl silanol and vinyl phosphonate groups |
| 02/24/2004 | US6695617 Photopolymerizable unsaturated silyl ester metal phosphonate |
| 02/19/2004 | US20040033183 Heat treating the niobium oxide in the presence of a getter material; for making a capacitor anode |
| 02/12/2004 | US20040029709 Dielectric ceramic composition and dielectric resonator made from the composition |
| 02/03/2004 | US6686264 Methods of forming binary noncrystalline oxide analogs of silicon dioxide |
| 01/21/2004 | CN1469842A Oxide material, method for preparing oxide thin film and element using said material |
| 01/20/2004 | US6680121 Bismuth-containing laser markable compositions and methods of making and using same |
| 01/08/2004 | WO2004002891A1 Method and apparatus for increasing bulk conductivity of a ferroelectric material |
| 01/08/2004 | WO2004002887A1 Barium cadmium tantalum-based compound having high dielectric properties and method of making the same |
| 01/08/2004 | DE10085177B4 Verfahren zur Herstellung von Kaliumtantalat-Kristallen und hierdurch hergestellte Kaliumfluortantalat-Kristalle A process for producing potassium tantalate crystals and potassium fluorotantalate crystals thereby produced |
| 01/07/2004 | EP1378490A1 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 |
| 12/18/2003 | US20030230167 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 |
| 12/10/2003 | EP1368065A1 Paramagnetic nanoparticle |
| 12/03/2003 | CN1460088A Method for producing high purity potassium fluorotantalate crystal or high purity potassium fluoroniobate crystal and recrystallization vessel for use in method for production, and potassium |
| 11/20/2003 | US20030213426 Ceramic film and method of manufacturing the same, semiconductor device, and piezoelectric device |
| 11/06/2003 | US20030205528 Amphiphilic block polymers act as structure directing agents for the metal oxide in a self-assembling system. |
| 10/29/2003 | EP1357086A1 Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides |
| 10/09/2003 | WO2003083946A1 Method of forming ferroelectric film, ferroelectric memory, process for producing ferroelectric memory, semiconductor device and process for producing semiconductor device |
| 10/08/2003 | CN1446773A Dielectric ceramic compsn. and dielectric resonator |
| 10/02/2003 | WO2003080514A1 Process for producing micro-mesoporous metal oxide having regulated pores formed by novel template removal method |
| 10/01/2003 | EP1348680A2 Dielectric ceramic composition and resonator |
| 09/24/2003 | CN1443618A Electron tube metal powder and its preparing method |
| 09/18/2003 | WO2003076671A1 Methods to reduce hydrosulphide and arsine emissions during wet ore processing |
| 09/18/2003 | CA2478033A1 Methods to reduce hydrosulphide and arsine emissions during wet ore processing |
| 09/17/2003 | CN1442370A Method of preparing electron tube metallic oxide precusor |
| 09/12/2003 | WO2003074427A1 Non-silica mesoporous oxide having improved pore structure periodism, method of producing the mesoporous oxide and method of crystallizing pore wall of non-silica mesoporous oxide using template to be filled in pores |
| 09/12/2003 | CA2754650A1 Valve metal powders and process for producing them |
| 09/11/2003 | US20030170158 Method for solubilizing metal values |
| 09/09/2003 | US6616965 Non-hydrolytic-sol-gel process for high K dielectric |
| 09/04/2003 | WO2003072505A1 Purification method for producing high purity niobium compound and/or tantalum compound |
| 09/04/2003 | WO2003072504A1 Purification method for producing high purity niobium compound and/or tantalum compound |
| 09/04/2003 | WO2003072503A1 Method of purifying niobium compound and/or tantalum compound |
| 09/04/2003 | US20030165416 Methods to control H2S and arsine emissions |
| 08/27/2003 | EP1338555A1 Oxide material, method for preparing oxide thin film and element using said material |
| 08/21/2003 | US20030158031 Microwave dielectric ceramic composition and a process for the preparation thereof |
| 08/21/2003 | US20030157012 Polyoxometalates and process for immobilization of technetium based thereon |
| 08/05/2003 | US6602344 Ceramic film and method of manufacturing the same, semiconductor device, and piezoelectric device |
| 07/24/2003 | US20030139026 Methods of forming binary noncrystalline oxide analogs of silicon dioxide |
| 07/24/2003 | US20030136330 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 flurotantalate crystal or high purity potassium fluoroniobate crystal produced by the method for production |
| 07/15/2003 | US6592764 Amphiphilic ethylene oxide-propylene oxide block copolymers structure directing agents for metal oxide molecular sieves in self-assembling systems; large-pore; combines copolymer self-assembly with chelating complexation of inorganic oxide |
| 07/15/2003 | US6592740 Heat treating niobium oxide in presence of niobium flaked getter material and in an atmosphere which permits transfer of oxygen atoms from the niobium oxide to the niobium flaked getter material to from oxygen reduced niobium oxide |
| 07/10/2003 | WO2003055805A1 Powder of tantalum oxide or niobium oxide, and method for production thereof |
| 07/09/2003 | EP1115658B1 Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides |
| 07/09/2003 | EP0961756B1 Inorganic polymeric material with tantalic acid anhydride base, in particular with high refractive index, mechanically abrasionproof, method of manufacture, optical materials comprising such material |
| 06/25/2003 | CN1425524A Process for preparing niobic powder and/or tantalum powder |
| 06/17/2003 | US6579468 Sodium, lithium and niobium oxides with a perovskite structure; crystal phase in a semi-stable state at room temperature |
| 06/12/2003 | US20030109374 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 |
| 06/12/2003 | US20030108723 Mixed oxide inorganic pigments dispersed in a substrate which is irradiated by a laser to provide a contrasting mark |
| 05/28/2003 | CN1420185A Obtaining product by solubilizing metal component from Ta-Nb metal ore contg. insoluble fluoride |
| 05/20/2003 | US6566161 Tantalum sputtering target and method of manufacture |
| 05/15/2003 | WO2003039741A1 Mixed oxide solid solutions |
| 05/14/2003 | CN1417128A Production process of tantalate or niobate compound |
| 05/07/2003 | EP1308418A1 Method of producing ferroelectric metal oxide crystalline nanoparticles |
| 05/01/2003 | US20030082864 Tantalum sputtering target and method of manufacture |
| 05/01/2003 | US20030082097 Process for producing niobium and tantalum compounds |
| 04/23/2003 | CN1106347C Method for preparing electron tube metal oxide or hydrate, and niobium and tantalum pentoxide powder |
| 04/22/2003 | US6552403 Binary non-crystalline oxide analogs of silicon dioxide for use in gate dielectrics |
| 04/17/2003 | US20030071240 Sodium, lithium and niobium oxides with a perovskite structure; crystal phase in a semi-stable state at room temperature |
| 04/17/2003 | US20030070509 Reducing niobium and/or tantalum oxides with alkali metals and/or alkaline-earth metals to obtain low-grade oxide powder; electrolyte capacitors |
| 04/16/2003 | EP1302263A2 Method of manufacturing niobium and/or tantalum powder |
| 04/12/2003 | CA2406932A1 Method of manufacturing niobium and/or tantalum powder |
| 04/10/2003 | WO2003029147A1 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 being low in oxygen produced by the methods, a |
| 04/10/2003 | WO2003001623A3 Conducting salts comprising niobium or tantalum |
| 04/10/2003 | US20030068267 From hydrogen fluoride, potassium chloride and tantalum compound |
| 04/01/2003 | US6540974 Process for making mixed metal oxides |
| 03/20/2003 | WO2002092721A8 Thermochromic material |
| 03/19/2003 | EP1293479A1 Meso-porous transition metal oxide having crystallized pore wall and method for preparing the same |
| 03/04/2003 | US6528172 Coating solutions for use in forming bismuth-based ferroelectric thin films, and ferroelectric thin films, ferroelectric capacitors and ferroelectric memories formed with said coating solutions, as well as processes for production thereof |
| 03/04/2003 | US6527937 Heat treatment/sintering; getter/scavenger material permits transfer of oxygen atoms; capacitors; anodes |
| 02/26/2003 | CN1399613A Method for producing fluorinated potassium tantalate crystal and fluorinated potassium tantalate crystal |
| 02/26/2003 | CN1398821A Dielectrical ceramic material |
| 02/18/2003 | US6521566 Monolith of tetravalent and pentavalent oxide used as support for metal combustion catalyst; thermal stability; maintaining relatively high surface areas at high temperatures in presence of water vapor |
| 02/13/2003 | US20030032192 Generation of preferential nanoparticles; obtain reaction mixture containing chemical intermediates, heat, recover lattice crystal of nanoparticles |
| 01/23/2003 | US20030017702 Photocatalyst and use thereof for decomposing chemical substance |
| 01/22/2003 | EP1277713A1 Dielectric ceramic material comprising Ba, Nb, Ta and at least one of Zn and Co and and least one of K, Na and Li |
| 01/15/2003 | EP1275618A1 Ceramic film and method for its preparation, and semiconductor device and piezoelectric element |
| 01/07/2003 | US6503561 Liquid precursor mixtures for deposition of multicomponent metal containing materials |
| 01/07/2003 | US6503316 Bismuth-containing laser markable compositions and methods of making and using same |
| 01/03/2003 | WO2003001623A2 Conducting salts comprising niobium or tantalum |
| 01/02/2003 | US20030003235 From reaction product of a tantalum alkoxide and an amino alcohol, polyalcohol, beta-diketone or ketoester, ester of of beta-dicarboxylic acid, lactic acid, ethyl lactate or 1,5-cyclooctadiene or a hydrolyzate of reaction product |
| 01/02/2003 | US20030003044 Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides |
| 01/01/2003 | CN1388827A Synthesis of nanoparticles |
| 01/01/2003 | CN1388793A Ceramic film and method for its preparation, and semiconductor device and piezoelectric element |
| 01/01/2003 | CN1388089A Piezoelectric ceramics composition, piezoelectric ceramic element and process for producing piezoelectri ceramic composition |
| 12/25/2002 | CN1097094C Method for solubilization of metal component from non-soluble fluoride-contg. Ta-Nb ore |
| 12/03/2002 | US6489613 Oxide thin film for bolometer and infrared detector using the oxide thin film |
| 11/21/2002 | WO2002092721A1 Thermochromic material |
| 11/14/2002 | WO2002090024A1 Metalothermic reduction of refractory metal oxides |