Tin, Lead, Or Germanium Containing (e.g., Stannate, Plumbate, Etc.) Patents (Class 423/594.9)
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Patent number: 7255962Abstract: Improved solid acid electrolyte materials, methods of synthesizing such materials, and electrochemical devices incorporating such materials are provided. The stable electrolyte material comprises a solid acid in a eulytine structure capable of undergoing rotational disorder of oxyanion groups and capable of extended operation at elevated temperatures, that is, solid acids having hydrogen bonded anion groups; a superprotonic disordered phase; and capable of operating at temperatures of ˜100° C. and higher.Type: GrantFiled: June 21, 2005Date of Patent: August 14, 2007Assignee: California Institute of TechnologyInventors: Calum Chisholm, Sossina M. Haile
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Patent number: 7232556Abstract: Nanoparticles comprising titanium, such as nanoscale doped titanium metal compounds, inorganic titanium compounds, and organic titanium compounds, their methods of manufacture, and methods of preparation of products from nanoparticles comprising titanium are provided.Type: GrantFiled: September 24, 2004Date of Patent: June 19, 2007Assignee: NanoProducts CorporationInventor: Tapesh Yadav
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Patent number: 7223377Abstract: The present invention is the method for preparation of transition metal oxide having micro-mesoporous structure whose average fine pores size is not less than 1 nm and not more than 2 nm comprising, adding and dissolving transition metal salt which is a precursor of transition metal oxide and/or metal alkoxide in the solution prepared by dissolving polymer surfactant in organic solvent, hydrolyzing said transition metal salt and/or metal alkoxide and preparing sol solution which is polymerized and self organized, then obtaining gel whose organization is stabilized from said sol solution and removing said polymer surfactant by using water of room temperature or water to which alkali metal or alkaline earth metal ion is added.Type: GrantFiled: October 2, 2002Date of Patent: May 29, 2007Assignee: Japan Science and Technology AgencyInventors: Kazunari Domen, Junko Nomura, Byonjin Ri
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Patent number: 7211238Abstract: Mesoporous aluminum oxides with high surface areas have been synthesized using inexpensive, small organic templating agents instead of surfactants. Optionally, some of the aluminum can be framework-substituted by one or more other elements. The material has high thermal stability and possesses a three-dimensionally randomly connected mesopore network with continuously tunable pore sizes. This material can be used as catalysts for dehydration, hydrotreating, hydrogenation, catalytic reforming, steam reforming, amination, Fischer-Tropsch synthesis and Diels-Alder synthesis, etc.Type: GrantFiled: March 8, 2004Date of Patent: May 1, 2007Assignee: ABB Lummus Global Inc.Inventors: Zhiping Shan, Jacobus Cornelius Jansen, Chuen Y. Yeh, Philip J. Angevine, Thomas Maschmeyer
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Patent number: 7208135Abstract: Process for preparing mixed oxides by reacting alkoxides of the elements titanium, zirconium, niobium, tantalum or mixtures thereof with metal hydroxides, metal carboxylates, metal hydroxycarbonates, metal carbonates or mixtures thereof of the elements lithium, sodium, potassium, magnesium, calcium, strontium, barium, zinc, cadmium, aluminum, gallium, yttrium, lanthanum, praseodymium, neodymium, samarium, dysprosium, europium, lead, bismuth or mixtures thereof in a C1–C8-alkanol, in a glycol ether or in a mixture thereof at from 50 to 200° C.Type: GrantFiled: May 18, 2004Date of Patent: April 24, 2007Assignee: BASF AktiengesellschaftInventor: Hans-Josef Sterzel
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Patent number: 7183018Abstract: An electrode material for an anode of a rechargeable lithium battery, containing a particulate comprising an amorphous Sn.A.X alloy with a substantially non-stoichiometric ratio composition. For said formula Sn.A.X, A indicates at least one kind of an element selected from a group consisting of transition metal elements, X indicates at least one kind of an element selected from a group consisting of O, F, N, Mg, Ba, Sr, Ca, La, Ce, Si, Ge, C, P, B, Pb, Bi, Sb, Al, Ga, In, Tl, Zn, Be, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, As, Se, Te, Li and S, where the element X is not always necessary to be contained. The content of the constituent element Sn of the amorphous Sn.A.X alloy is Sn/(Sn+A+X)=20 to 80 atomic %.Type: GrantFiled: April 13, 2005Date of Patent: February 27, 2007Assignee: Canon Kabushiki KaishaInventors: Soichiro Kawakami, Masaya Asao
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Patent number: 7179441Abstract: The present invention relates to a method for preparing barium titanate based powder. More particularly, the present invention provides a method for preparing barium titanate powder comprising the following steps of precipitation of barium titanyl oxalate (BaTiO(C2O4)2.4H2O) with spraying a mixture of an aqueous barium chloride (BaCl2.2H2O) and titanium tetrachloride (TiCl4) to an aqueous solution of oxalic acid, via a nozzle; wet pulverization by using a beads mill after adding an additive such as an amine; dry; pyrolysis; and re-pulverization.Type: GrantFiled: May 6, 2002Date of Patent: February 20, 2007Assignees: Samsung Fine Chemicals Co., Ltd., Samsung Electro-Mechanics Co., Ltd.Inventors: Jae Chul Jung, Woo Young Yang, Keon Il Kim, Yun Jung Park, Jun Hee Lee, Kang Heon Hur, Seon Cheol Park, Jai Joon Lee
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Patent number: 7147834Abstract: A low-temperature hydrothermal reaction is provided to generate crystalline perovskite nanotubes such as barium titanate (BaTiO3) and strontium titanate (SrTiO3) that have an outer diameter from about 1 nm to about 500 nm and a length from about 10 nm to about 10 micron. The low-temperature hydrothermal reaction includes the use of a metal oxide nanotube structural template, i.e., precursor. These titanate nanotubes have been characterized by means of X-ray diffraction and transmission electron microscopy, coupled with energy dispersive X-ray analysis and selected area electron diffraction (SAED).Type: GrantFiled: August 11, 2004Date of Patent: December 12, 2006Assignee: The Research Foundation of State University of New YorkInventors: Stanislaus Wong, Yuanbing Mao
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Patent number: 7141148Abstract: A material suitable for use as the active anode surface in the electrolytic reduction of alumina to aluminium metal defined by the formula: A1+xB1+?CdO4 where A is a divalent cation or a mixture of cations with a relative preference for octahedral coordination, B is a trivalent cation or mixture of cations with a relative preference for tetrahedral coordination, C is a trivalent cations with a relative preference for octahedral coordination or a four-valent cation with a relative preference for octahedral coordination, O is the element oxygen: When C is trivalent x=0, 0.8<d<1, ?<0.2 and x+d+d is essentially equal to 1. When C is four-valent 0.4<x<0.6, 0.4<d<0.6, ?<0.2 and x+d+? is essentially equal to 1.Type: GrantFiled: February 13, 2002Date of Patent: November 28, 2006Assignee: Norsk Hydro ASAInventors: Stein Julsrud, Turid Risdal
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Patent number: 7138102Abstract: A method for manufacturing a highly-crystallized double oxide powder composed of a single crystal phase which can be used as a phosphor material, a dielectric material, a magnetic material, etc. The method involves forming fine droplets of a raw material solution containing a raw material compound that includes at least one metal element and/or at least one semi-metal element that constitutes a double oxide, and heating these droplets at a high temperature, wherein the raw material solution is a solution which exhibits only one main peak attributable to the decomposition reaction of the raw material compound or a reaction intermediate thereof in a DTA profile when the solution is dried and solidified and subjected to TG-DTA measurement.Type: GrantFiled: July 1, 2003Date of Patent: November 21, 2006Assignee: Shoei Chemical Inc.Inventors: Yuji Akimoto, Kazuro Nagashima, Yoshikazu Nageno, Hidenori Ieda, Naoko Tanaka
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Patent number: 7125536Abstract: This invention relates to a composition comprising nano-structured metal oxide particles (particularly, zirconia) and at least one stabilizing agent, a method to produce the composition, and a method to produce the thermally stable nano-structured particles. The method to produce the nano-structured particles comprises first preparing a base solution and a nanoparticle precursor solution, then combining these solutions at a final pH 7 or greater to precipitate a colloidal hydrous oxide. The colloidal hydrous oxide is then treated with at least one silicate, phosphate, or aluminum phosphate stabilizing agent and dried. These nano-structured particle products have high thermal stability and are particularly advantageous in applications as catalysts or catalyst supports that operate at high temperatures.Type: GrantFiled: February 6, 2004Date of Patent: October 24, 2006Assignee: Millennium Inorganic Chemicals, Inc.Inventors: Guoyi Fu, BillieJo Monk, Corinne Lehaut
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Patent number: 7081234Abstract: A process of treating metal oxide nanoparticles that includes mixing metal oxide nanoparticles, a solvent, and a surface treatment agent that is preferably a silane or siloxane is described. The treated metal oxide nanoparticles are rendered hydrophobic by the surface treatment agent being surface attached thereto, and are preferably dispersed in a hydrophobic aromatic polymer binder of a charge transport layer of a photoreceptor, whereby ?—? interactions can be formed between the organic moieties on the surface of the nanoparticles and the aromatic components of the binder polymer to achieve a stable dispersion of the nanoparticles in the polymer that is substantially free of large sized agglomerations.Type: GrantFiled: April 5, 2004Date of Patent: July 25, 2006Assignee: Xerox CorporationInventors: Yu Qi, Nan-Xing Hu, Ah-Mee Hor, Cheng-Kuo Hsiao, Yvan Gagnon, John F. Graham
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Patent number: 7056490Abstract: The invention concerns a IM-11 crystalline solid with structure type LTA, with a neutral framework, having a chemical composition expressed as the anhydrous base in terms of moles of oxide defined by the general formula XO2:mYO2:qR:sF, in which R represents one or more nitrogen-containing organic compounds, X represents one or more tetravalent elements other than germanium, Y represents germanium, F is fluorine, m, q, s represent the number of moles of YO2, R and F respectively, m is in the range 0.1 to 4, and q and s are in the range 0 to 1.Type: GrantFiled: July 30, 2004Date of Patent: June 6, 2006Assignee: Institut Francais du PetroleInventors: Bogdan Harbuzaru, Jean-Louis Paillaud, Joël Patarin, Nicolas Bats, Laurent Simon, Catherine Laroche
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Patent number: 7025948Abstract: The invention concerns a crystalline solid, designated ITQ-31, which has the X ray diffraction diagram given below. Said solid has a chemical composition, expressed as the anhydrous base in terms of moles of oxide, defined by the general formula XO2: mYO2:pZ2O3:qR:sF, in which R represents an organic nitrogen-containing template, X represents one or more tetravalent elements other than germanium, Y represents germanium, Z represents at least one trivalent element and F is fluorine.Type: GrantFiled: April 11, 2005Date of Patent: April 11, 2006Assignee: Institut Francais du PetroleInventors: Eva Barea, Vicente Fornes, Avelino Corma, Patrick Bourges, Emmanuelle Guillon
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Patent number: 7022303Abstract: Polycrystalline materials of macroscopic size exhibiting Single-Crystal-Like properties are formed from a plurality of Single-Crystal Particles, having Self-Aligning morphologies and optionally ling morphology, bonded together and aligned along at least one, and up to three, crystallographic directions.Type: GrantFiled: May 13, 2002Date of Patent: April 4, 2006Assignee: Rutgers, The State UniversityInventors: Richard E. Riman, Larry E. McCandlish
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Patent number: 7018604Abstract: The present invention provides new compounds for use in proton exchange membranes which are able to operate in a wide variety of temperature ranges, including in the intermediate temperature range of about 100° C. to 700° C., and new and improved methods of making these compounds. The present invention also provides new and improved methods for making chalcogenide compounds, including, but not limited to, non-protonated sulfide, selenide and telluride compounds. In one embodiment, the proton conductivity of the compounds is between about 10?8 S/cm and 10?1 S/cm within a temperature range of between about ?50 and 500° C.Type: GrantFiled: July 25, 2003Date of Patent: March 28, 2006Assignee: Iowa State University Research Foundation IncInventors: Steven A. Poling, Steve W. Martin, Jacob T. Sutherland
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Patent number: 7008612Abstract: The invention relates to a porous crystalline material which, in the calcined state, has a composition: X2O3:nYO2:mZO2, wherein: X represents a trivalent element; Z represents Ge; and Y represents at least one tetravalent element other than Ge. Furthermore, in the chemical composition, (n+m) is equal to at least 5 and the Y/Z ratio is equal to at least 1. Moreover, in the calcined state, said material has an X-ray diffraction pattern which coincides substantially with (1), wherein VS is a very strong relative intensity corresponding to a percentage of between 80 and 100 with respect to the most intense peak; M is a mean relative intensity corresponding to a percentage of between 40 and 60 with respect to the most intense peak; and W is a mean relative intensity corresponding to a percentage of between 20 and 40 with respect to the most intense peak.Type: GrantFiled: May 27, 2004Date of Patent: March 7, 2006Assignees: Consejo Superior de Investigaciones Cientificas, Universidad Politecnica de ValenciaInventors: Avelino Corma Canós, María José Díaz Cabañas, Fernando Rey García
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Patent number: 6929772Abstract: A manufacturing method of ITO powder with tin dissolved in indium oxide, wherein the ITO powder is obtained by performing spray pyrolysis to a mixed solution or slurry of indium nitrate and tin chloride in which the concentration of indium and tin is 3.0 mol/L or more, thereby providing at low costs ITO powder superior in component dispersibility by dissolving tin in indium oxide as well as a precise target superior in uniformity. It is thereby possible to restrain the deterioration of quality or abnormal protrusions such as nodules in cases where the ITO sputtering target deposition is not uniform.Type: GrantFiled: December 19, 2001Date of Patent: August 16, 2005Assignee: Nikko Materials Co., Ltd.Inventors: Yoshiro Yanai, Atsushi Nakamura
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Patent number: 6793908Abstract: A solution method for preparing indium-tin oxide (ITO) powders is provided. Indium compounds and tin compounds are dissolved in water respectively to form two solution bodies. Some proper additives are added into the solution bodies to form metal hydroxyl compounds with determined composition. After water washing and filtration, proper additives are added into the solution to peptize the solution. During the peptization process, hydrolysis and condensation reactions occurs between different metal hydroxyl compounds. Solvent of the solution is then removed to form high quality nanometer grade ITO powders.Type: GrantFiled: May 9, 2002Date of Patent: September 21, 2004Assignee: Cheng Loong CorporationInventors: Hsin Chung Lu, Chio Hao Hsu, I Chiao Lin, Chien Lung Weng
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Patent number: 6780393Abstract: A method of producing fine particles of an oxide of a metal, comprising the steps of: preparing an acidic solution which contains ions of the metal; precipitating fine particles of a hydroxide of the metal by adding an alkaline solution to the acidic solution; collecting the fine particles of the hydroxide of the metal precipitated in a mixed solution of the acidic solution and the alkaline solution; mixing fine particles of a carbon with the collected fine particles of the hydroxide of the metal; and heat-treating a mixture of the fine particles of the hydroxide of the metal and the fine particles of the carbon at a predetermined temperature in a non-reducing atmosphere, whereby the fine particles of the oxide of the metal are produced.Type: GrantFiled: December 14, 2001Date of Patent: August 24, 2004Assignees: National Institute of Advanced Industrial Science and Technology, Noritake Co., LimitedInventors: Norimitsu Murayama, Woosuck Shin, Sumihito Sago, Makiko Hayashi
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Patent number: 6780394Abstract: A perovskite feedstock (powder or preform) is placed in a high-pressure cell of a high pressure/high temperature (HP/HT) apparatus and subjected to pressures in excess of about 2 kbar and temperatures above about 800° C. for a time adequate to increase the density of the preform.Type: GrantFiled: August 16, 2001Date of Patent: August 24, 2004Assignee: Diamond Innovations, Inc.Inventors: Suresh S. Vagarali, John W. Lucek
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Patent number: 6770256Abstract: Metal oxides having a perovskite or perovskite-like crystal structure are prepared by a process comprising subjecting a mixture of starring powders to a high energy milling sufficient to induce chemical reaction of the components and thereby directly mechanosynthesize said metal oxide in the form of a perovskite or a perovskite-like material having a nanocrystalline structure as determined by X-ray diffractometry. The process according to the present invention is simple, efficient, not expensive and does not require any heating step for producing a perovskite that may easily show a very high specific surface area. Another advantage is that the perovskite obtained according to the present invention also has a high density of lattice defects thereby showing a higher catalytic activity, a characteristic which is highly desirable in their eventual application as catalysts and electronic conductors.Type: GrantFiled: April 9, 2001Date of Patent: August 3, 2004Assignee: Universite LavalInventors: Serge Kaliaguine, André Van Neste
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Publication number: 20040052673Abstract: A method for producing fine or ultra fine powder particles comprising mixing a metal alkoxide with a non-metallic hydride in an organic solvent, agitating the mixed solution, and then burning the mixed solution. The burning process comprises igniting the solution directly or burning the solution in situ. A self-sustaining flame will result. When the precursor solution burns, the metallic compound will be co-fired with the organic solvent. As a result, fine or ultra fine particles of mixed metal will burst from the flame, or thrust through the flame and be synthesized.Type: ApplicationFiled: July 17, 2003Publication date: March 18, 2004Inventor: Fukuo Huang
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Publication number: 20040023040Abstract: The invention relates to spherical metal oxide particles with a particle diameter of between 5 nm and 10000 nm. Said particles contain at least one oxidic compound of elements that are selected from the first to fifth main groups, the transition metals and/or the lanthanoids and have particulate prominences on their surface.Type: ApplicationFiled: February 21, 2003Publication date: February 5, 2004Inventors: Carsten Gellermann, Herbert Wolter, Werner Storch
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Publication number: 20030211032Abstract: A solution method for preparing indium-tin oxide (ITO) powders is provided. Indium compounds and tin compounds are dissolved in water respectively to form two solution bodies. Some proper additives are added into the solution bodies to form metal hydroxyl compounds with determined composition. After water washing and filtration, proper additives are added into the solution to peptize the solution. During the peptization process, hydrolysis and condensation reactions occurs between different metal hydroxyl compounds. Solvent of the solution is then removed to form high quality nanometer grade ITO powders.Type: ApplicationFiled: May 9, 2002Publication date: November 13, 2003Inventors: Hsin Chun Lu, Chio Hao Hsu, I Chiao Lin, Chien Lung Weng
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Publication number: 20030211369Abstract: Polycrystalline materials of macroscopic size exhibiting Single-Crystal-Like properties are formed from a plurality of Single-Crystal Particles, having Self-Aligning morphologies and optionally ling morphology, bonded together and aligned along at least one, and up to three, crystallographic directions.Type: ApplicationFiled: May 13, 2002Publication date: November 13, 2003Inventors: Richard E. Riman, Larry E. McCandlish
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Patent number: 6592841Abstract: A method of treating a hollandite compound to improve its adsorption of nitrogen monoxide, which comprises subjecting a hollandite compound having a hollandite-type crystal structure and represented by a chemical formula AxMyN8-yO16, wherein A is an alkali metal or an alkaline earth metal K, Na, Rb or Ca, M is a bivalent or trivalent metal element Fe, Ga, Zn, In, Cr, Co, Mg, Al or Ni, N is a tetravalent metal element Sn or Ti, 0<x≦2 and 0<y≦2, to a heat treatment in a stream of an oxygen-nitrogen mixture having oxygen gas and nitrogen gas mixed in a volume ratio of 3:97 to 50:50, at a temperature of from 50 to 1,500° C. for from 5 minutes to 1 hour.Type: GrantFiled: March 5, 2001Date of Patent: July 15, 2003Assignee: National Institute for Research in Inorganic MaterialsInventors: Kenjiro Fujimoto, Jun Suzuki, Toshiyuki Mori, Mamoru Watanabe