| Patents for C01G 33 - Compounds of niobium (1,435) |
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| 12/01/2005 | US20050265916 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 |
| 11/30/2005 | EP1599419A1 Phase formation of oxygen reduced valve metal oxides and granulation methods |
| 11/30/2005 | CN1229820C Dielectric ceramic composition |
| 11/24/2005 | DE102004010892B3 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 |
| 11/23/2005 | CN1699186A Preparation method of stable water-soluble niobium and tantalum precursor and application thereof |
| 11/23/2005 | CN1228249C 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 |
| 11/17/2005 | US20050255035 Purification method for producing high purity niobium compound and/or tantalum compound |
| 11/09/2005 | CN1226232C Piezoelectric ceramics composition, piezoelectric ceramic element and process for producing piezoelectric ceramic composition |
| 10/27/2005 | US20050236654 Ferroelectric film laminated body, ferroelectric memory, piezoelectric element, liquid jet head, and printer |
| 10/26/2005 | EP1589566A2 Ferroelectric capacitor, ferroelectric memory, piezoelectric element, liquid jet head, and printer |
| 10/20/2005 | US20050232850 Process for producing niobium and tantalum compounds |
| 10/19/2005 | CN1223424C Process for preparing niobic powder and/or tantalum powder |
| 10/13/2005 | WO2005095278A1 Production of metal-oxide highly crystalline and high-purity nanoparticles |
| 10/13/2005 | US20050226805 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 |
| 10/13/2005 | US20050225927 Processes for the production of niobium oxides with controlled tantalum content and capacitors made therefrom |
| 10/06/2005 | WO2005091972A2 Group iv metal oxide monolithic columns |
| 10/06/2005 | WO2004103906A3 Methods of making a niobium metal oxide and oxygen reduced niobium oxides |
| 10/05/2005 | CN1678531A Method and apparatus for increasing bulk conductivity of a ferroelectric material |
| 10/05/2005 | CN1221490C Method for making lead zirconate titanate-based ceramic powder, piezoelectric ceramic and method for making same, piezoelectric ceramic element |
| 09/29/2005 | US20050214469 Method and apparatus for increasing bulk conductivity of a ferroelectric material |
| 09/28/2005 | CN1673090A Process and apparatus for producing powders of metal compound containing oxygen, and the powders produced by the process |
| 09/22/2005 | WO2005087668A1 Method for producing tantalum oxide and/or niobium oxide in form of hollow particle |
| 09/22/2005 | WO2005087667A1 Tantalum oxide and/or niobium oxide and method for preparation thereof |
| 09/22/2005 | US20050204514 Process and apparatus for producing powders of metal compound containing oxygen, and the powders produced by the process |
| 09/21/2005 | CN1671816A Thermochromic material |
| 09/15/2005 | WO2005085390A1 Cobalt catalyst for the synthesis of fischer-tropsch, catalyst support, processes for the preparation of support and catalyst and the use of the catalyst |
| 09/15/2005 | WO2005085138A1 Chemically stable solid lithium ion conductors |
| 09/15/2005 | US20050201926 Method and apparatus for increasing bulk conductivity of a ferroelectric material |
| 08/25/2005 | WO2004114367A3 Method and apparatus for increasing bulk conductivity of a ferroelectric material |
| 08/24/2005 | CN1215983C Chemical coprecipitation method for synthesizig powder material of terrae rare salt of normal niobic acid |
| 08/24/2005 | CN1215982C Chemical coprecipitation method for synthesizing powder material of terrae rare salt of normal niobic acid |
| 08/23/2005 | US6934146 can be used for the anode of a capacitor; has a tapping density of 0.5 to 2.5 g/ml, and having an angle of repose of from 10 degrees to 60 degrees |
| 08/23/2005 | US6932957 placing lithium tantalate in an environment including zinc vapor and heating to a temperature below a Curie temperature of lithium tantalate |
| 08/16/2005 | US6929883 Lithium transition metal composite oxide optionally containing another transition metal or an alkaline earth metal; large volume capacity density, high safety, excellent coating uniformity, excellent charge/ discharge durability |
| 08/11/2005 | WO2004113228A3 Process boat and shell for wafer processing |
| 08/10/2005 | CN1653560A Dielectric composition on the basis of barium titanate |
| 08/10/2005 | CN1213948C Process for producing potassium fluoroniobate crystal and potassium fluoroniobate crystal |
| 07/28/2005 | US20050162809 Dielectric composition on the basis of barium titanate |
| 07/20/2005 | EP1555678A1 Ferroelectric film, ferroelectric capacitor, ferroelectric memory, piezoelectric device, semiconductor device, method for manufacturing ferroelectric film, and method for manufacturing ferroelectric capacitor |
| 07/14/2005 | WO2005063775A1 Method for agglomerating and passivating a used mass or organohalosilane production fines |
| 07/13/2005 | CN1639071A Method of purifying niobium compound and/or tantalum compound |
| 07/13/2005 | CN1639070A Purification method for producing high purity niobium compound and/or tantalum compound |
| 07/13/2005 | CN1639069A Purification method for producing high purity niobium compound and/or tantalum compound |
| 07/13/2005 | CN1210826C Synthesis of lithium transition metal sulphides |
| 07/07/2005 | US20050145165 Lithium niobate substrate and method of producing the same |
| 07/07/2005 | US20050145069 Method of manufacturing niobium and/or tantalum powder |
| 07/06/2005 | CN1209291C Lithium-transition metal composite oxide |
| 06/30/2005 | US20050139037 Niobium powder, niobium sintered body and capacitor using the sintered body |
| 06/29/2005 | EP1546062A2 Electrolytic perovskites |
| 06/23/2005 | US20050136292 Thin film dielectrics with perovskite structure and preparation thereof |
| 06/16/2005 | WO2005054134A1 Method for producing composition for forming dielectric film, composition for forming dielectric film, dielectric film and method for producing same |
| 06/16/2005 | DE102004056741A1 Lithium niobate substrate, useful as acoustic surface wave device for mobile telephones, is prepared by heat treating crystalline material at relatively low temperature |
| 06/09/2005 | WO2005052068A1 Inorganic pigments |
| 06/09/2005 | WO2005052067A1 Inorganic pigments |
| 06/09/2005 | US20050123459 Method of purifying niobium compound and/or tantalum compound |
| 06/07/2005 | US6903495 Piezoelectric material and method for manufacture thereof |
| 06/02/2005 | US20050115364 Purification method for producing high purity niobium compound and/or tantalum compound |
| 06/01/2005 | EP1534633A1 Method and apparatus for increasing bulk conductivity of a ferroelectric material |
| 06/01/2005 | CN1621578A Lithium niobate substrate and manufacturing method thereof |
| 05/19/2005 | US20050103638 and optionally magnesium oxide; use as chemically resistant components in chemical apparatuses or as inert apparatuses in the production of niobium suboxide powder or niobium suboxide anodes |
| 05/19/2005 | DE10347702A1 Sinterkörper auf Basis Niobsuboxid Sintered body based on niobium suboxide |
| 05/12/2005 | DE10392447T5 Ceroxid-basierte Mischmetall-Oxidstruktur, einschließlich des Herstellungsverfarhrens und der Verwendung Ceria-based mixed metal oxide structure, including the Herstellungsverfarhrens and use |
| 05/05/2005 | US20050094354 Capacitor powder |
| 05/04/2005 | CN1199865C Method for producing high purity potassium fluorotantalate crystal or high purity potassium fluoroniobate crystal and recrystalization vessel for use in method for production, and potassium |
| 04/27/2005 | CN1610116A Ferroelectric material, ferroelectric film and method of manufacturing the same, ferroelectric capacitor and method of manufacturing the same, ferroelectric memory, |
| 04/27/2005 | CN1609047A Crystal oriented ceramics and production method of same |
| 04/21/2005 | US20050084445 Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides |
| 04/20/2005 | EP1524252A2 Sintered bodies based on niobium suboxide |
| 04/20/2005 | CN1607197A Sintered bodies based on niobium suboxide |
| 04/13/2005 | EP1522342A1 Photocatalyst exhibiting catalytic activity even in visible light region |
| 04/07/2005 | WO2005021426B1 Production of perovskite particles |
| 04/05/2005 | US6874668 Telescoped multiwall nanotube and manufacture thereof |
| 03/31/2005 | WO2005028370A1 A process for the production of niobium oxide power for use in capacitors |
| 03/31/2005 | WO2005028367A1 Valve metal-oxide powder and method for producing said powder |
| 03/23/2005 | CN1597613A Method of preparing lithium niobate nanometer powder at low-temp by citric acid gel method |
| 03/23/2005 | CN1597535A Preparation of potassium lithium niobate nanometer powder using citric acid gelification method |
| 03/17/2005 | DE10338465A1 Herstellung von Perovskit-Teilchen Preparation of perovskite particles |
| 03/10/2005 | WO2005021426A1 Production of perovskite particles |
| 03/03/2005 | WO2005020284A2 Thin film dielectrics with perovskite structure and preparation thereof |
| 03/02/2005 | EP1509931A1 Dielectric composition on the basis of barium titanate |
| 03/02/2005 | CN1587066A Process for preparing low valence niobium oxide |
| 03/01/2005 | US6860941 Method for manufacturing high-purity potassium fluoroniobate crystal, recrystallization bath used in manufacturing method thereof and high-purity potassium fluorotantalate crystal or high-purity potassium fluoroniobate crystal obtained by manufacturing method thereof |
| 02/24/2005 | DE10333156A1 Verfahren zur Herstellung von Niobsuboxid A process for the production of niobium suboxide |
| 02/23/2005 | EP1508550A1 Process for producing niobium suboxide |
| 02/15/2005 | US6855185 Reducing niobium and/or tantalum oxides with alkali metals and/or alkaline-earth metals to obtain low-grade oxide powder; electrolyte capacitors |
| 02/15/2005 | CA2131326C Production of cationically homogeneous refractory oxides of nanometer-scale particle size diameters at reduced temperatures |
| 02/09/2005 | CN1576235A Niobium suboxide powder |
| 02/09/2005 | CN1576234A Process for producing niobium suboxide |
| 02/03/2005 | US20050025699 Granules with multimodal pore size distribution; pressing and sintering niobium oxide and niobium powder; capacitor anodes; high capacitance, low direct current leakage; purity; low cost |
| 02/01/2005 | US6849104 Metalothermic reduction of refractory metal oxides |
| 01/27/2005 | WO2004103908A3 Controlled oxygen addition for metal material |
| 01/27/2005 | US20050019581 Reacting NbOy ( y<1.8<2.1) with a stoichiometric amount of niobium metal, in the presence of hydrogen; reduce the consumption of high-purity magnesium; used to fabricate anodes for solid electrolyte capacitors |
| 01/26/2005 | CN1569649A Method for preparing barium-strontium niobate powder and barium-strontium niobate film by organic gel method |
| 01/20/2005 | WO2005005320A1 A ferroelectric ceramic compound, a ferroelectric ceramic single crystal, and preparation processes thereof |
| 01/20/2005 | US20050013765 Niobium suboxide powder |
| 01/19/2005 | EP1498391A1 Niobium suboxide |
| 01/19/2005 | CN1566022A Barium zinc niobium oxide powder and hydrothermal synthesis preparation method thereof |
| 01/13/2005 | US20050008564 Phase formation of oxygen reduced valve metal oxides and granulation methods |
| 01/06/2005 | US20050002854 Production of high-purity niobium monoxide and capacitor production therefrom |
| 01/04/2005 | US6838413 Oxysulfide photocatalyst for decomposition of water by visible light |