| Patents for C01G 33 - Compounds of niobium (1,435) |
|---|
| 12/29/2004 | WO2004114367A2 Method and apparatus for increasing bulk conductivity of a ferroelectric material |
| 12/29/2004 | WO2004113228A2 Process boat and shell for wafer processing |
| 12/28/2004 | US6835368 Doubly doped lithium niobate crystals |
| 12/23/2004 | DE10325487A1 Thermal treatment of precursor material of catalytically active material, for partial gas-phase oxidation of acrolein to acrylic acid, involves circulating gas stream flowing through rotary tube furnace |
| 12/22/2004 | CN1180910C Niobium powder and method for producing niobium and/or tantalum powder |
| 12/21/2004 | US6833083 Thermoelectric material and thermoelectric converting element using the same |
| 12/15/2004 | EP1486462A1 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 |
| 12/09/2004 | WO2004106230A1 Method for producing composite oxide of metal |
| 12/09/2004 | US20040245492 ABO3 with an A-site compensation component that compensates for a vacancy of an A site, and a B-site compensation component which compensates for a vacancy of a B site; film having hysteresis characteristics with excellent squareness loop which can be used for the simple matrix type ferroelectric memory |
| 12/08/2004 | EP1484284A1 Purification method for producing high purity niobium compound and/or tantalum compound |
| 12/08/2004 | EP1484283A1 Purification method for producing high purity niobium compound and/or tantalum compound |
| 12/02/2004 | WO2004103908A2 Controlled oxygen addition for metal material |
| 12/02/2004 | WO2004103906A2 Methods of making a niobium metal oxide and oxygen reduced niobium oxides |
| 11/30/2004 | US6825143 Method of making lead zirconate titanate-based ceramic powder, piezoelectric ceramic and method for making same, and piezoelectric ceramic element |
| 11/24/2004 | EP1479654A1 Method of purifying niobium compound and/or tantalum compound |
| 11/18/2004 | WO2004099080A1 Production of high-purity niobium monoxide and capacitor production therefrom |
| 11/18/2004 | US20040229384 Ferroelectric capacitor, method of manufacturing the same, ferroelectric memory, and piezoelectric device |
| 11/18/2004 | US20040226630 forming metal oxide; uniform diffusion through substrate ; capacitor anode |
| 11/18/2004 | CA2523564A1 Production of high-purity niobium monoxide and capacitor production therefrom |
| 11/11/2004 | WO2004097854A1 Liquid composition for forming ferroelectric thin film and method for forming ferroelectric thin film |
| 11/11/2004 | US20040222273 Method and apparatus for increasing bulk conductivity of a ferroelectric material |
| 11/11/2004 | US20040221810 Process boat and shell for wafer processing |
| 11/04/2004 | US20040219094 High temperature liquification of niobium pentoxide, niobium trioxide and/or niobium dioxide and coarse niobium metal under controlled environment; solidifying and fragmenting; reactants may be impure or waste materials |
| 11/04/2004 | US20040219087 Metal oxide powder and method for the production of the same |
| 10/28/2004 | US20040214723 Polycrystalline isotropic perovskite compound comprising oxide of potassium, sodium, niobium, tantalum, and/or antimony; potassium sodium niobate; piezoelectricity; molding mixture of anisotropic shaped powder; heating, sintering |
| 10/28/2004 | US20040214352 Ferroelectric film, ferroelectric capacitor, ferroelectric memory, piezoelectric element, semiconductor element, method of manufacturing ferroelectric film, and method of manufacturing ferroelectric capacitor |
| 10/27/2004 | CN1539747A Chemical coprecipitation method for synthesizing powder material of terrae rare salt of normal niobic acid |
| 10/27/2004 | CN1539739A Chemical coprecipitation method for synthesizing, powder material of terrae rare salt of normal niobic acid |
| 10/21/2004 | WO2004089538A1 Catalyst for clarifying exhaust gas and method for producing tetragonal system composite oxide |
| 10/05/2004 | US6800268 Forming coarse crystals that may contain potassium oxyfluoroniobate and then subjecting the coarse crystals to recrystallization using a hydrofluoric acid solution to obtain highly pure potassium fluoroniobate crystals |
| 10/05/2004 | CA2455428C Production of cationically homogeneous refractory oxides of nanometer-scale particle size diameters at reduced temperatures |
| 09/30/2004 | US20040188657 comprises nickel particles coated with nickel oxide and alkaline/rare earth oxides, for use as electrode material; reduced shrinkage during firing |
| 09/29/2004 | CN1532917A Ferro-electric materials capacitor and ferroelectric materials memory and piezoelectric element |
| 09/23/2004 | US20040182284 Crystal mixed oxides of bismuth, tantalum, niobium, molybdenum, chromium, and/or tungsten; coatings for household appliances; heat resistance, stability, discoloration inhibition |
| 09/16/2004 | WO2004028998A3 Electrolytic perovskites |
| 09/15/2004 | EP1457471A2 Crystal oriented ceramics and production method of same |
| 09/15/2004 | CN1529893A Method for making niobium metal oxide |
| 09/10/2004 | WO2004076355A1 Phase formation of oxygen reduced valve metal oxides and granulation methods |
| 09/08/2004 | EP1037940B1 Block polymer processing for mesostructured inorganic oxide materials |
| 09/01/2004 | CN1526028A Niobium monoxide powder,niobium monoxide sintered body using the niobium powder and capacitor using the sintered body |
| 08/26/2004 | US20040163596 placing lithium tantalate in an environment including zinc vapor and heating to a temperature below a Curie temperature of lithium tantalate |
| 08/26/2004 | US20040163491 feeding a blend of the oxide and reducing agent directly into a reactor to achieve a self-sustaining, highly exothermic reaction; use of blend eliminates the problems associated with generation and transport of gaseous metal to the reaction zone |
| 08/25/2004 | CN1524022A Metalothermic reduction of refractory metal oxides |
| 07/28/2004 | EP1341724B1 Synthesis of lithium transition metal sulphides |
| 07/06/2004 | US6759164 Use of heat-treated electrodes containing a polyamic acid-PVDF binder mixture |
| 07/06/2004 | US6759026 Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides |
| 06/30/2004 | EP1433752A1 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 PRODUCE |
| 06/30/2004 | CN1155522C Transition metal sulfied nano-pipe and preparation process and its application |
| 06/24/2004 | US20040120881 Grain oriented ceramics and a production process thereof, as well as an anisotropically-shaped powder A and A production process thereof |
| 06/16/2004 | CN1505593A Methods of making a niobium metal oxide |
| 06/10/2004 | WO2004048647A1 Topological crystal of transition metal chalcogenide and method of forming the same |
| 05/27/2004 | WO2004043856A1 Method for producing fluorine-containing lithium compound |
| 05/25/2004 | US6740301 Process for producing a lithium transition metal sulphide |
| 05/12/2004 | EP1144326A4 High dielectric constant buried capacitors with extended operating temperature ranges |
| 05/06/2004 | WO2004038733A1 Ferroelectric film, ferroelectric capacitor, ferroelectric memory, piezoelectric device, semiconductor device, method for manufacturing ferroelectric film, and method for manufacturing ferroelectric capacitor |
| 05/06/2004 | US20040086452 Method of producing ferroelectric metal oxide crystalline particle |
| 04/29/2004 | DE19519722B4 Verfahren zur Herstellung von Nioboxid Process for the preparation of niobium oxide |
| 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 | EP0968319A4 Multiple vaporizer reagent supply system for chemical vapor deposition utilizing dissimilar precursor compositions |
| 04/15/2004 | DE10296409T5 Tantaloxid oder Nioboxid-Pulver und Verfahren zu ihrer Herstellung Tantalum oxide or niobium oxide powder and method for its preparation |
| 04/14/2004 | CN1489553A Synthesis of lithium transition metal sulphides |
| 04/13/2004 | US6720846 Surface acoustic wave device with KNb03 piezoelectric thin film, frequency filter, oscillator, electronic circuit, and electronic apparatus |
| 04/13/2004 | US6720280 Dielectric composition for high frequency resonators |
| 04/08/2004 | WO2004028998A2 Electrolytic perovskites |
| 04/07/2004 | EP1405890A1 Thermochromic material |
| 04/07/2004 | EP1405323A2 Methods of making a niobium metal oxide |
| 04/01/2004 | US20040062968 For use in fuel cell, a membrane reactor, an amperometric hydrocarbon sensor or a steam electrolysis |
| 04/01/2004 | US20040062709 Reacting tantalum and niobium powders with ammonium; precipitation, separation; oxidation |
| 03/31/2004 | EP1402079A2 Niobium powder, niobium sintered body and capacitor using the sintered body |
| 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 |
| 03/03/2004 | EP1394817A1 Electro-conductive oxide particle and process for its production |
| 03/03/2004 | CN1478921A Metal surface treatment composite, metal surface treatment method and galvanized steel sheet obtained by it |
| 03/02/2004 | US6699449 Method of synthesizing metal oxides |
| 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 |
| 02/26/2004 | DE10254278A1 Heterogeneously catalyzed gas-phase partial oxidation of acrolein to acrylic acid, used to produce polymers for adhesives, involves using active multimetal oxide material containing e.g. molybdenum and vanadium |
| 02/25/2004 | EP1390172A1 Metalothermic reduction of refractory metal oxides |
| 02/19/2004 | US20040033183 Heat treating the niobium oxide in the presence of a getter material; for making a capacitor anode |
| 02/17/2004 | US6692652 Polycrystalline body having a first perovskite-type alkali-pentavalent metal oxide; piezoelectric sensors, ultrasonic sensors |
| 02/12/2004 | WO2002086923A3 Methods of making a niobium metal oxide |
| 02/12/2004 | US20040029726 Inorganic reaction product containing oxysulfide of transition metals and rare earth elements |
| 02/12/2004 | US20040029709 Dielectric ceramic composition and dielectric resonator made from the composition |
| 02/12/2004 | US20040028922 Capacitor powder |
| 02/11/2004 | EP1388870A1 Niobium monoxide powder, niobium monoxide sintered product and capacitor using niobium monoxide sintered product |
| 02/05/2004 | US20040023113 Lithium-transition metal composite oxide |
| 02/03/2004 | US6686264 Methods of forming binary noncrystalline oxide analogs of silicon dioxide |
| 01/29/2004 | US20040018141 Reacting transition metal sulfide with lithium sulfide in solvent comprising molten lithium fluoride; for production of batteries |
| 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 |
| 01/07/2004 | 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 |
| 12/25/2003 | US20030235526 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 |
| 12/24/2003 | CN1463456A Niobium monoxide powder, niobium monoxide sintered product and capacitor using niobium monoxide sintered 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 |
| 12/17/2003 | EP1370492A2 Methods of making a niobium metal oxide |
| 12/10/2003 | CN1461237A Photocatalyst exhibiting catalytic activity even in visible light region |
| 12/04/2003 | WO2003100793A1 Dielectric composition on the basis of barium titanate |
| 12/03/2003 | EP1366811A1 Oxysulfide photocatalyst for use in decomposition of water by visible light |
| 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 |
| 11/27/2003 | US20030218857 Niobium powder, niobium sintered body and capacitor using the sintered body |
| 11/19/2003 | CN1457329A Method for making lead zirconate titanate-based ceramic powder, piezoelectric ceramic and method for making same, piezoelectric ceramic element |