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