Class 423/618 - Group IVA metal (Ge, Sn, or Pb)

Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Products or processes wherein the metal is germanium, tin
No. of patents: 150
Last issue date: 10/13/2009

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Number	Title	Issue Date
7601328	Colloidal hydroxide aqueous suspension of at least one transition element serving to reduce chrome in cement The invention relates to a hydroxide aqueous suspension of at least one selected transition element of which the potential oxidation reduction is less than that of the pair CrO72−/CrO42− (−0.12 V) having a pH between...	10/13/2009
7442668	Solid acid catalyst containing tin and method for preparation thereof An object is to provide a sulfated tin oxide catalyst with strong catalytic activity, and a method for preparation thereof. It was discovered that in the preparation of a solid acid catalyst containing tin, stronger solid acid properties than before could be achieve...	10/28/2008
7374743	Nanoscale indium tin mixed oxide powder Mixed oxide powder containing indium and tin, with a proportion of indium oxide of between 90 and 98 wt. % and a BET surface area of 40 to 120 m2/g, which is in the form of aggregates having an average circumference of less than 500 nm, consists of at lea...	05/20/2008
7357910	Method for producing metal oxide nanoparticles Method for producing metal oxide nanoparticles. The method includes generating an aerosol of solid metallic microparticles, generating plasma with a plasma hot zone at a temperature sufficiently high to vaporize the microparticles into metal vapor, and directing the...	04/15/2008
7347983	Mg2MM'o 6+x, (M=Y, rare earth metal and M'=SN, OR Zr) dielectric ceramics Complex ceramic oxides of the general formula Mg2MM′O6+x where M=Rare metal ion or Yttrium or Lanthanum and M′=Sn, Sb, Zr, Hf, Ta, and Nb; and where −0.5	03/25/2008
7338647	Synthesis of cathode active materials The present invention relates to a method for preparing an electroactive metal polyanion or a mixed metal polyanion comprising forming a slurry comprising a polymeric material, a solvent, a polyanion source or alkali metal polyanion source and at least one metal ion...	03/04/2008
7335717	Methods, compositions, and biomimetic catalysts for the synthesis of silica, polysilsequioxanes, polysiloxanes, non-silicon metalloid-oxygen networks, polymetallo-oxanes, and their organic or hydrido conjugates and derivatives The in vitro polymerization of silica, silicone, non-silicon metalloid-oxane and metallo-oxane polymer networks, by combining a catalyst and a substrate to polymerize the substrate to form silica, polysiloxanes, polymetalloid-oxanes polymetallo-oxanes (metal oxides)...	02/26/2008
7276224	Synthesis of nanoporous particles Methods of producing nanoporous particles by spray pyrolysis of a precursor composition including a reactive precursor salt and a nonreactive matrix salt are provided, wherein the matrix salt is used as a templating medium. Nanoporous aluminum oxide particles produc...	10/02/2007
7255846	Methods for synthesis of semiconductor nanocrystals and thermoelectric compositions The present invention provides methods for synthesis of IV–VI nanostructures, and thermoelectric compositions formed of such structures. In one aspect, the method includes forming a solution of a Group IV reagent, a Group VI reagent and a surfactant. A reducing ag...	08/14/2007
7214363	Method for preparing composite microparticles Composite microparticles having thin coating layers can be simply prepared by bringing a host particle precursor into contact with a flame generated in a burner movably mounted at the bottom of a coating apparatus, by introducing the precursor in the form of a vapor...	05/08/2007
7208133	Method for the preparation of IV-VI semiconductor nanoparticles A high temperature non-aqueous synthetic procedure for the preparation of substantially monodisperse IV-VI semiconductor nanoparticles is provided. The procedure includes introducing a first precursor selected from the group consisting of a molecular precursor of a ...	04/24/2007
7182929	Nanostructured multi-component and doped oxide powders and method of making same A method for producing nanostructured multi-component or doped oxide particles and the particles produced therein. The process includes the steps of (i) dissolving salts of cations, which are either dopants or components of the final oxide, in an organic solvent; (i...	02/27/2007
7169375	Metal oxide nanoparticles, methods of making, and methods of use Disclosed is a method of preparing treated metal oxide nanoparticles from sols prepared from metal alkoxides and organosilanes. The treated nanoparticles are useful high refractive index additives in the manufacture of optical articles. ...	01/30/2007
7166143	Method for producing indium powder The invention relates to non-ferrous metallurgy and may be used for zinc and indium containing materials processing resulting in fine indium powder production by converting indium into a salt compound and subsequent treatment of the latter with a water solution in t...	01/23/2007
7125536	Nano-structured particles with high thermal stability 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 met...	10/24/2006
7122168	Shape anisotropic metal oxide nanoparticles and synthetic method thereof In a metal oxide nanoparticle and a synthetic method thereof, and in particular to maghemite (γ-Fe2O3) nanoparticles usable as a superhigh density magnetic recording substance by having good shape anisotropy and magnetic characteristics, hemat...	10/17/2006
7118727	Method of making oxide particles The present invention provides a process for producing particles, such as oxide nanoparticles, in a substantially water-free environment. The process involves mixing at least one metal compound of the formula MX(m−n) with at least one surfactant and at ...	10/10/2006
7118726	Method for making oxide compounds A method of making an oxide compound, comprising subjecting a base material to a source of heat that produces a localized temperature in the range of 2,000 to 5,500 degrees Celsius that vaporizes the base material which is drawn upward above the surface of the base ...	10/10/2006
7101527	Mixed anion materials and compounds for novel proton conducting membranes The present invention provides new amorphous or partially crystalline mixed anion chalcogenide compounds for use in proton exchange membranes which are able to operate over a wide variety of temperature ranges, including in the intermediate temperature range of abou...	09/05/2006
7090821	Metal oxide powder for high precision polishing and method of preparation thereof The present invention relates to a metal oxide powder for high precision polishing and prepartion thereof, comprising aggregates formed by cohesion of primary particles, which has a cohesive degree (α) of 1.1 to 2.0 and a cohesive scale (β) of 3 to 10, the cohesiv...	08/15/2006
7087100	Preparation of nanosized copper and copper compounds The present invention is a process for producing nanosized metal compounds. The preferred product is nanosized copper, nanosized copper (I) oxide, and nanosized copper (II) oxide. The process includes heating a copper metal precursor in a hydrocarbon preferably sele...	08/08/2006
7081234	Process of making hydrophobic metal oxide nanoparticles 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 surfa...	07/25/2006
7056490	IM-11 crystalline solid with structure type LTA, and a process for its preparation 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...	06/06/2006
7008612	Porous crystalline material (ITQ-21) and the method of obtaining the same in the absence of fluoride ions 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 ...	03/07/2006
7008519	Sputtering target for forming high-resistance transparent conductive film, and method for producing the film The present invention provides an ITO sputtering target for forming a high-resistance transparent conductive film which target can be used virtually in a DC magnetron sputtering apparatus and can form a high-resistance, transparent film, and a method for producing a...	03/07/2006
6984369	Process for making surfactant capped metal oxide nanocrystals, and products produced by the process Disclosed is a process for making surfactant capped nanocrystals of metal oxides which are dispersable in organic solvents. The process comprises decomposing a metal cupferron complex of the formula MXCupX, wherein M is a metal, and Cup is a N-...	01/10/2006
6984745	Environmentally benign lead zirconate titanate ceramic precursor materials The synthesis, processing and test of improved lead zirconate titanate (PZT) precursor materials useful for making bulk, thick films and thin films of PZT are provided. PZT is an oxide ceramic extensively used for its piezoelectric properties. A variety of devices m...	01/10/2006
6965006	Metal alkoxide polymers A method of synthesizing metal alkoxide polymers is provided, for use, as an example, in synthesizing hybrid organic/inorganic materials with low optical absorption for optical applications. The method involves a plurality of acidolysis steps involving acidolysis of...	11/15/2005
6953768	Multi-component catalyst system for the polycondensation manufacture of polyesters This invention relates to new multi-component catalyst systems for the polycondensation of polyesters. More particularly, this invention pertains to novel multi-component, germanium based catalyst systems for the polycondensation of PET (polyethylene terephthalate) ...	10/11/2005
6908574	Tin-containing indium oxides, a process for producing them, a coating solution using them and electrically conductive coatings formed of them A Sn-containing In oxide in the form of needles or plates comprising particles having a major axis of 0.1 μm or less and a minor axis of 0.05 μm or less. ...	06/21/2005
6872402	Bactericidal silicon dioxide doped with silver Pyrogenically prepared silica doped with silver or silver oxide is prepared by feeding an aerosol into a flame such as is used for the preparation of pyrogenic silica, mixing the aerosol homogeneously with gas mixture before the reaction, then allowing the aerosol/g...	03/29/2005
6841143	Mesostructured oxide ceramics and their synthesis method This invention provides mesostructured oxide ceramics and a synthesizing method thereof, the synthesizing method employs a water-based solvent containing a metallic salt or metal complex as the ceramics precursor, template formed from an organic compound or the asso...	01/11/2005
6773636	Transparent electroconductive film and process for producing same There are provided: (1) a process for producing an InSbO4-containing transparent electroconductive film, which comprises the step of sputtering simultaneously: (i) a target (A) for sputtering, which comprises In, Sb and O, and whose atomic r...	08/10/2004
6753099	Phosphor and imaging device using the same The present invention provides a green emitting phosphor which includes an excess of the ordinary SiO2 component included in parent material Y2−2xSiO5 activated by Tb in terms of stoichiometric ratio. The composition of the above p...	06/22/2004
6727020	Reduced positive-electrode material in an electrochemical cell The invention relates to a modified oxidic material, such as, for example, a tin oxide, as active positive-electrode material in, for example, an electrochemical cell. ...	04/27/2004
6623662	Carbon black coating for CRT display screen with uniform light absorption A two-layer coating for the outer surface of the display screen of a color cathode ray tube (CRT) includes an inner carbon black-based layer and an outer silica-based layer. The inner layer is antistatic, while the outer layer is antireflective. To compen...	09/23/2003
6616857	C-axis oriented lead germanate film A ferroelectric Pb5 Ge3 O11 (PGO) thin film is provided with a metal organic vapor deposition (MOCVD) process and RTP (Rapid Thermal Process) annealing techniques. The PGO film is substantially crystallization with c-axis ...	09/09/2003
6613300	Doped, pyrogenically prepared oxides Doped, pyrogenically prepared oxides of metals and/or non-metals which are doped with one or more doping components in an amount of 0.00001 to 20 wt. %. The doping component may be a metal and/or non-metal or an oxide and/or a salt of a metal and/or a non...	09/02/2003
6596255	Tin-containing granular magnetic oxide particles and process for producing the same Tin-containing granular magnetic oxide particles comprising spinel-type crystal represented by the formula: Fe3-x Snx O4 wherein x is 0.14 to 0.48, and having a Fe2+ content of 17 to 22% by weight, a lattice constant of ...	07/22/2003
6558847	Metal oxide of porous structure, electrode structure, secondary battery, and methods for producing them A metal oxide of porous structure intercalating or deintercalating lithium ions by the electrochemical reaction, characterized by being provided with regularly ordered pores....	05/06/2003

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Class 423/618 - Group IVA metal (Ge, Sn, or Pb)