Patents for C01G 33 - Compounds of niobium (1,435)
11/2003
11/06/2003US20030206853 Niobate-based octahedral molecular sieves
11/06/2003US20030205528 Amphiphilic block polymers act as structure directing agents for the metal oxide in a self-assembling system.
11/05/2003EP1358137A2 Method for making lead zirconate titanate-based ceramic powder, piezoelectric ceramic and method for making same
10/2003
10/29/2003EP1357086A1 Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
10/29/2003EP1187790B1 Process for producing a lithium transition metal sulphide
10/09/2003WO2003082741A1 Ceria-based mixed-metal oxide structure, including method of making and use
10/09/2003WO2003082740A1 Ceria-based mixed-metal oxide structure including method of making and use
10/09/2003US20030190501 Intercalation compound of hydrogen, alkali metal and alkali hydride
10/08/2003EP1351320A2 Piezoelectric ceramic composition, its production method, and piezoelectric device and dielectric device
10/08/2003CN1446773A Dielectric ceramic compsn. and dielectric resonator
10/08/2003CA2424725A1 Renewable, energetic, nanodimensional dispersion
10/02/2003WO2003080514A1 Process for producing micro-mesoporous metal oxide having regulated pores formed by novel template removal method
10/02/2003US20030186805 For use as catalyst support, a co-catalyst and/or a getter; water gas shift and/or preferential oxidation reactions
10/01/2003EP1348680A2 Dielectric ceramic composition and resonator
09/2003
09/25/2003WO2002092864A3 Niobium powder, niobium sintered body and capacitor using the sintered body
09/25/2003US20030178605 Piezoelectric ceramic composition, its production method, and piezoelectric device and dielectric device
09/24/2003CN1443618A Electron tube metal powder and its preparing method
09/18/2003US20030176273 Dielectric composition for high frequency resonators
09/17/2003CN1442370A Method of preparing electron tube metallic oxide precusor
09/16/2003US6620752 Method for fabrication of lead-based perovskite materials
09/12/2003CA2754650A1 Valve metal powders and process for producing them
09/11/2003US20030170169 For use in electronic circuit and electronic device
09/10/2003EP1341724A1 Synthesis of lithium transition metal sulphides
09/09/2003US6616965 Non-hydrolytic-sol-gel process for high K dielectric
09/04/2003WO2003072505A1 Purification method for producing high purity niobium compound and/or tantalum compound
09/04/2003WO2003072504A1 Purification method for producing high purity niobium compound and/or tantalum compound
09/04/2003WO2003072503A1 Method of purifying niobium compound and/or tantalum compound
08/2003
08/21/2003US20030158031 Microwave dielectric ceramic composition and a process for the preparation thereof
08/21/2003US20030157012 Polyoxometalates and process for immobilization of technetium based thereon
08/20/2003CN1437753A 电容器粉末 Capacitor powder
08/14/2003US20030151331 Piezoelectric material and method for manufacture thereof
07/2003
07/31/2003US20030144140 Efficiency, simplification
07/24/2003US20030139026 Methods of forming binary noncrystalline oxide analogs of silicon dioxide
07/24/2003US20030136330 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
07/23/2003CN1431972A Lithium-transition metal composite oxide
07/22/2003US6596254 Niobate-based octahedral molecular sieves
07/22/2003US6594875 Method for producing a piezoelectric/electrostrictive actuator
07/15/2003US6592764 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
07/15/2003US6592740 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
07/10/2003WO2003055805A1 Powder of tantalum oxide or niobium oxide, and method for production thereof
07/09/2003EP1115658B1 Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
07/09/2003CN1113809C Preparation method of niobium oxide nano pore molecular sieve film
07/02/2003CN1427996A Oxygen reduced niobium oxides
06/2003
06/25/2003CN1425524A Process for preparing niobic powder and/or tantalum powder
06/17/2003US6579468 Sodium, lithium and niobium oxides with a perovskite structure; crystal phase in a semi-stable state at room temperature
06/12/2003US20030109374 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
06/12/2003US20030108723 Mixed oxide inorganic pigments dispersed in a substrate which is irradiated by a laser to provide a contrasting mark
06/10/2003US6576099 Oxygen reduced niobium oxides
06/05/2003US20030104923 Niobium monoxide powder for capacitors, NbOx (x=0.8 to 1.2), and having a tapping density of 0.5 to 2.5 g/ml. produced by activation-treating niobium monoxide or a niobium monoxide compound
05/2003
05/22/2003US20030096696 Method of making lead zirconate titanate-based ceramic powder, piezoelectric ceramic and method for making same, and piezoelectric ceramic element
05/21/2003CN1419521A Process for producing potassium fluoroniobate crystal and potassium fluoroniobate crystal
05/20/2003US6565648 Production method of ferro-electric crystals having periodically-poled structure
05/15/2003WO2003039741A1 Mixed oxide solid solutions
05/14/2003CN1417128A Production process of tantalate or niobate compound
05/07/2003EP1308418A1 Method of producing ferroelectric metal oxide crystalline nanoparticles
05/01/2003US20030082097 Process for producing niobium and tantalum compounds
04/2003
04/30/2003CN1413910A Transition metal sulfied nano-pipe and preparation process and its application
04/23/2003CN1106347C Method for preparing electron tube metal oxide or hydrate, and niobium and tantalum pentoxide powder
04/22/2003US6552403 Binary non-crystalline oxide analogs of silicon dioxide for use in gate dielectrics
04/17/2003US20030071240 Sodium, lithium and niobium oxides with a perovskite structure; crystal phase in a semi-stable state at room temperature
04/17/2003US20030070509 Reducing niobium and/or tantalum oxides with alkali metals and/or alkaline-earth metals to obtain low-grade oxide powder; electrolyte capacitors
04/16/2003EP1302263A2 Method of manufacturing niobium and/or tantalum powder
04/12/2003CA2406932A1 Method of manufacturing niobium and/or tantalum powder
04/10/2003WO2003029147A1 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
04/10/2003WO2003001623A3 Conducting salts comprising niobium or tantalum
04/01/2003US6540974 Process for making mixed metal oxides
03/2003
03/27/2003US20030057304 Methods of making a niobium metal oxide
03/27/2003US20030056819 For thermoelectric generator/refrigerators; mixed metal sulfides, selenides or tellurides having a CdI2 analogous layer structure
03/25/2003US6537667 Thin films for liquid crystal displays; stoichiometry of antimony and indium permits crystal structure of indium oxide; thin films for liquid crystal displays
03/20/2003WO2002092721A8 Thermochromic material
03/19/2003EP1293479A1 Meso-porous transition metal oxide having crystallized pore wall and method for preparing the same
03/18/2003US6534031 Process for preparing high surface area triple layered perovskites
03/13/2003US20030049196 Process for producing potassium fluoroniobate crystal and potassium fluoroniobate crystal
03/04/2003US6528172 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
03/04/2003US6527937 Heat treatment/sintering; getter/scavenger material permits transfer of oxygen atoms; capacitors; anodes
02/2003
02/26/2003CN1398821A Dielectrical ceramic material
02/18/2003US6521566 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
02/13/2003WO2002068333A3 Methods of making a niobium metal oxide
02/08/2003WO2003013727A1 Photocatalyst exhibiting catalytic activity even in visible light region
02/08/2003CA2410255A1 Photocatalyst with catalytic activity even in visible-light range
02/06/2003US20030026756 Heating in presence of scavenger
01/2003
01/22/2003EP1277713A1 Dielectric ceramic material comprising Ba, Nb, Ta and at least one of Zn and Co and and least one of K, Na and Li
01/22/2003CN1392571A Dielectric ceramic composition
01/09/2003US20030008762 Grain oriented ceramics and a production process thereof, as well as an anisotropically-shaped powder A and A production process thereof
01/07/2003US6503316 Bismuth-containing laser markable compositions and methods of making and using same
01/03/2003WO2003001623A2 Conducting salts comprising niobium or tantalum
01/02/2003US20030003044 Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
01/02/2003EP1270532A1 Dielectric BMN composition
01/01/2003CN1388089A Piezoelectric ceramics composition, piezoelectric ceramic element and process for producing piezoelectri ceramic composition
12/2002
12/19/2002US20020193237 Method for fabrication of lead-based perovskite materials
12/18/2002EP1266386A2 Oxygen reduced niobium oxides
12/03/2002US6489613 Oxide thin film for bolometer and infrared detector using the oxide thin film
11/2002
11/28/2002WO2002062724A3 Method for making lead zirconate titanate-based ceramic powder, piezoelectric ceramic and method for making same
11/21/2002WO2002093596A1 Niobium monoxide powder, niobium monoxide sintered product and capacitor using niobium monoxide sintered product
11/21/2002WO2002092864A2 Niobium powder, niobium sintered body and capacitor using the sintered body
11/21/2002WO2002092721A1 Thermochromic material
11/21/2002CA2420162A1 Niobium monoxide powder, niobium monoxide sintered product and capacitor using niobium monoxide sintered product
11/21/2002CA2419291A1 Niobium powder, niobium sintered body and capacitor using the sintered body
11/19/2002US6482527 Pyrochlore thin films and process for making
11/14/2002WO2002090024A1 Metalothermic reduction of refractory metal oxides
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