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