Patents for C01G 33 - Compounds of niobium (1,435)
11/2002
11/13/2002EP1255879A1 Method and composition for the prevention of high temperature corrosion due to alkali sulfates and alkali chlorides
10/2002
10/31/2002WO2002086923A2 Methods of making a niobium metal oxide
10/31/2002CA2444674A1 Methods of making a niobium metal oxide
10/30/2002EP1253121A2 Grain oriented ceramics and a production process thereof, as well as an anisotropically-shaped powder and a production process thereof
10/24/2002WO2002083568A1 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 production
10/10/2002WO2002079115A1 A microwave dielectric ceramic composition and a process for the preparation thereof
10/10/2002US20020145488 Surface acoustic wave device with KNb03 piezoelectric thin film, frequency filter, oscillator, electronic circuit, and electronic apparatus
10/08/2002US6462934 Heat treating niobium oxide in the presence of a getter to transfer oxygen atoms from the niobium oxide to the getter material; capacitor anode comprising a niobium oxide having an atomic ratio of niobium to oxygen of 1: less than 2.5
10/03/2002US20020141936 Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
09/2002
09/26/2002US20020135973 Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
09/18/2002CN1091176C Double-doped lithium niobate crystsal
09/06/2002WO2002068333A2 Methods of making a niobium metal oxide
09/04/2002EP1236224A1 Gate dielectrics and method of making with binary non-crystaline analogs of silicon dioxide
08/2002
08/22/2002US20020114722 Oxygen reduced niobium oxides
08/15/2002WO2002062724A2 Method for making lead zirconate titanate-based ceramic powder, piezoelectric ceramic and method for making same
08/15/2002WO2002062467A1 Oxysulfide photocatalyst for use in decomposition of water by visible light
08/08/2002US20020104599 Sol-gel process; forming a solution containing dissolved metal salts, and adding a proton scavenger (such as an epoxide) to the solution for inducing and controlling gelation.
08/06/2002US6428765 Hydrorefining catalysts used for reforming, aromatization, transalkylation, isomerization and dehydrogenation
07/2002
07/24/2002EP0649388B1 Method of making metal oxide clusters and metal oxide-polymer composites
07/11/2002US20020090513 Electro-conductive oxide particle and process for its production
07/10/2002EP1221732A2 Electrodes containing a heat-treated polyamic acid-pvdf binder mixture
07/09/2002US6416730 Reducing niobium pentoxide in the presence of hydrogen and homogenizing; for use in anodes
07/04/2002WO2001071738A3 Oxygen reduced niobium oxides
06/2002
06/20/2002US20020076611 Polyvinylidene fluoride; binder insoluble in nonaqueous organic electrolytes, for activating alkali metal or alkali metal (lithium) ion electrochemical cells
06/13/2002WO2002046102A1 Synthesis of lithium transition metal sulphides
06/13/2002US20020070426 Telescoped multiwall nanotube and manufacture thereof
06/06/2002WO2002044087A1 Process for producing potassium fluoroniobate crystal and potassium fluoroniobate crystal
06/06/2002US20020066338 Metalothermic reduction of refractory metal oxides
05/2002
05/29/2002EP1209694A2 Electro-conductive oxide particle and process for its production
05/29/2002CA2364105A1 Use of heat-treated electrodes containing a polyamic acid-pvdf binder mixture
05/21/2002US6391496 Composite oxide active material; better charge-discharge cycles
05/21/2002US6391275 Heat treatment in the presence of an oxygen scavenger; capacitor anodes with reduced direct current leakage and increased capacitance
05/09/2002US20020053546 Comprises non-pillared mixed metal oxides; useful in ion exchanging
05/02/2002WO2002008120A3 Telescoped multiwall nanotube and manufacture thereof
04/2002
04/30/2002US6379557 Ion exchanging
04/16/2002US6373685 Capacitor anode comprising a niobium oxide having an atomic ratio of niobium to oxygen of 1 to >2.5 and being formed at a formation voltage of about 6 volts or higher.
03/2002
03/27/2002EP1190988A2 Bismuth-containing laser markable compositions and methods of making and using same
03/27/2002CN1341552A Preparation method of niobium oxide nano pore molecular sieve film
03/20/2002EP1187790A1 Process for producing a lithium transition metal sulphide
03/07/2002US20020028175 Methods to partially reduce certain metal oxides and oxygen reduced metal oxides
02/2002
02/27/2002EP1181342A1 Coated phosphors
02/26/2002US6349455 Method for forming piezoelectric/electrostrictive film element at low temperature using electrophoretric deposition
02/21/2002US20020021998 Controlling oxygen partial pressure
01/2002
01/31/2002WO2002008120A2 Telescoped multiwall nanotube and manufacture thereof
01/24/2002US20020009405 Doubly doped lithium niobate crystals
01/15/2002US6338832 Process for producing niobium and tantalum compounds
01/03/2002DE10030387A1 Kondensatorpulver Capacitor powder
12/2001
12/27/2001WO2001099130A1 Capacitor powder
12/27/2001CA2413453A1 Capacitor powder
12/20/2001WO2001096242A1 Meso-porous transition metal oxide having crystallized pore wall and method for preparing the same
12/06/2001WO2001092158A1 Lithium-transition metal composite oxide
11/2001
11/27/2001US6322912 Electrolytic capacitor anode of valve metal oxide
11/20/2001US6319430 Preconditioned crystals of lithium niobate and lithium tantalate and method of preparing the same
11/20/2001US6319421 Ceramic oxide powder, method for producing the ceramic oxide powder, ceramic paste produced using the ceramic oxide powder, and method for producing the ceramic paste
11/15/2001US20010040785 Thin film deposition of mixed metal oxides
11/06/2001US6312565 Thin film deposition of mixed metal oxides
11/01/2001US20010036056 Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
10/2001
10/31/2001CN1320104A Method to partially reduce certain metal oxide and oxygen reduced metal oxides
10/31/2001CN1320103A Methods to partially reduce niobium metal oxide and oxygen reduced niobium oxides
10/17/2001EP1144326A1 High dielectric constant buried capacitors with extended operating temperature ranges
10/16/2001US6303231 Coating solutions for use in forming bismuth-based ferroelectric thin films, and ferroelectric memories formed with said coating solutions, as well as processes for production thereof
10/16/2001US6303091 When a raw material is calcined in hydrogen halide or chlorine gas, metal oxide containing less agglomerated particles and having a narrow particle size distribution and a uniform particle shape is obtained
10/09/2001US6300267 High dielectric constant buried capacitors with extended operating temperature ranges
09/2001
09/27/2001WO2001071738A2 Oxygen reduced niobium oxides
09/27/2001WO2001031687A3 Pyrochlore thin films and process for making
09/07/2001WO2001064600A1 Method for fabrication of lead based perovskite materials
08/2001
08/30/2001WO2001062669A1 New polyoxometalates and process for immobilization of technetium based thereon
08/02/2001US20010010867 Solution containing metal alkoxides and organometallic compounds obtainable by hydrolyzing composite metal alkoxides with water alone or with catalyst
07/2001
07/26/2001US20010009345 Piezoelectric/elecrostrictive actuator and method for fabricating the same
07/18/2001EP1115659A1 Methods to partially reduce certain metal oxides and oxygen reduced metal oxides
07/18/2001EP1115658A1 Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
07/03/2001US6254991 Having a core-shell structure by dissolving a crystalline ceramic powder in water so as to leave a core portion of the ceramic powder while heating
07/03/2001CA2088781C Preparation of anhydrous niobium and tantalum pentafluorides
06/2001
06/07/2001WO2001033619A8 Gate dielectrics and method of making with binary non-crystaline analogs of silicon dioxide
05/2001
05/30/2001EP0854841B1 Niobium and tantalum pentoxide compounds
05/10/2001WO2001033619A1 Gate dielectrics and method of making with binary non-crystaline analogs of silicon dioxide
05/10/2001WO2001033260A1 Preconditioned crystals of lithium niobate and lithium tantalate and methods of preparing the same
05/03/2001WO2001031687A2 Pyrochlore thin films and process for making
03/2001
03/06/2001US6198119 Ferroelectric element and method of producing the same
03/06/2001US6197102 Small amount of separation (segregation, precipitation) of excessive metallic elements' particles, little leakage current, hydrogen heat treatment resistance as well as voltage resistance
02/2001
02/14/2001EP1037940A4 Block polymer processing for mesostructured inorganic oxide materials
01/2001
01/09/2001US6171571 Crystalline multinary metal oxide compositions, process for preparing and processes for using the composition
12/2000
12/28/2000WO2000078673A1 Process for producing a lithium transition metal sulphide
12/20/2000CN1277271A double-doped lithium niobate crystsal
12/06/2000CN1059179C Metal niobates and/or tanlatates, their preparation and perovskites formed from them
11/2000
11/30/2000WO2000071637A1 Coated phosphors
11/23/2000WO2000026156A3 A method for the mechanochemical preparation of high performance ceramics
11/15/2000CN1058469C Vanadium dioxide microparticles, method for preparing same, and use for surface coating
10/2000
10/24/2000US6136229 Method for the mechanochemical preparation of high performance ceramics
10/24/2000US6136062 Niobium powder and a process for the production of niobium and/or tantalum powders
09/2000
09/27/2000EP1037940A1 Block polymer processing for mesostructured inorganic oxide materials
09/19/2000US6120912 Thin film made by annealing an applied coating solution of metal alkoxides of bismuth, a specified metallic elements a and b respectively, which contains composite metal alkoxides formed by any two or more metal alkoxides
08/2000
08/17/2000WO2000015556A9 Methods to partially reduce certain metal oxides and oxygen reduced metal oxides
05/2000
05/11/2000WO2000026924A1 PREPARATION METHOD FOR LOW-TEMPERATURE-SINTERABLE Pb-BASED PEROVSKITE DIELECTRIC POWDERS
05/11/2000WO2000026156A2 A method for the mechanochemical preparation of high performance ceramics
05/03/2000EP0997542A1 Niobium powder and method for its production
04/2000
04/26/2000CN1251325A Niobium powder and method for producing niobium and/or tantalum powder
04/20/2000DE19847012A1 Niobpulver und Verfahren zu dessen Herstellung Niobium powder and process for its preparation
03/2000
03/28/2000US6042806 High surface area triple layered perovskites
03/23/2000WO2000015556A1 Methods to partially reduce certain metal oxides and oxygen reduced metal oxides
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