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| Number | Title | Issue Date |
| 7897138 | Process for producing antimony pentaoxide The invention relates to a process for producing diantimony pentoxide having a high oxidation purity. A process for producing an aqueous sol of diantimony pentoxide, which comprises mixing diantimony trioxide (Sb2O3) and an aqueous hydro... | 03/01/2011 |
| 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 |
| 7309457 | Chain inorganic oxide fine particle groups A chain antimony oxide fine particle group comprising antimony oxide fine particles which have an average particle diameter of 5 to 50 nm, are connected in the form of a chain and have an average connection number of 2 to 30 and preferably used for forming a hard co... | 12/18/2007 |
| 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 |
| 7232554 | Process for recovering arsenic from acidic aqueous solution A process for the recovery of arsenic trioxide from acid solutions, particularly the aqueous acid effluent produced by a gas-washing process in the pyrometallurgy of copper sulfide ores is provided. Generally, the process comprises concentrating the acid solution in... | 06/19/2007 |
| 7223377 | Process for producing micro-mesoporous metal oxide having regulated pores formed by novel template removal method 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... | 05/29/2007 |
| 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 |
| 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 |
| 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 |
| 6830822 | Inorganic colors and related nanotechnology A pigment with modified properties because of the powder size being below 100 nanometers. Blue, yellow and brown pigments are illustrated. Nanoscale coated, un-coated, whisker inorganic fillers are included. Stoichiometric and non-stoichiometric composition are disc... | 12/14/2004 |
| 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 |
| 6667270 | Bismuth-and phosphorus-containing catalyst support, reforming catalysts made from same, method of making and naphtha reforming process Bismuth- and phosphorus-containing catalyst supports, naphtha reforming catalysts made from such supports, methods of making both support and catalyst, and a naphtha reforming process using such catalysts.... | 12/23/2003 |
| 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 |
| 6579475 | Lithium cobalt oxides and methods of making same The present invention includes lithium cobalt oxides having hexagonal layered crystal structures and methods of making same. The lithium cobalt oxides of the invention have the formula Liw Co1-x Ax O2+y wherein ... | 06/17/2003 |
| 6355821 | Preparation of metal alkoxides Methods of forming metal alkoxides and methods of forming precursor solutions of metal alkoxides suitable for the coating of glass in the manufacture of electrochromic devices are disclosed. The method of forming metal alkoxides involves dissolving the me... | 03/12/2002 |
| 6328947 | Method for producing fine particles of metal oxide A method for producing fine particles of metal oxide characterized in that metal halide is hydrolyzed in the presence of organic solvent. According to this invention, under hydrolysis of titanium tetrachrolide, anatase type titanium oxide can be obtained ... | 12/11/2001 |
| 6316651 | Environmentally benign Group II and Group IV or V spin-on precursor materials The present invention is directed to the synthesis, processing and test of improved spin-on precursor materials comprising at least one Group II metal and at least one Group IV or Group V metal, useful for making thin oxide films, useful, for example, in ... | 11/13/2001 |
| 6303804 | Environmentally benign bismuth-containing spin-on precursor materials Metal acid salt complexes are provided comprising (1) a first metal ion consisting essentially of bismuth, and optionally, at least one second metal ion selected from the group consisting of barium, calcium, strontium, lead, titanium, tantalum, and niobiu... | 10/16/2001 |
| 6149888 | Method of producing anhydrous zinc antimonate A method of producing electroconductive anhydrous zinc antimonate, comprising the steps of mixing a zinc compound and a colloidal antimony oxide in a ZnO/Sb2 O5 molar ratio of 0.8 to 1.2; and calcining the mixture of 300 to 680° C. ... | 11/21/2000 |
| 6139816 | Process for the preparation of ultra-fine powders of metal oxides A novel process for the preparation of ultra-fine powders of metal oxide wherein a surfactant is added to the solution for the preparation of the metal oxide to provide nanometer metal oxide powders without the utilization of vacuum or high pressure condi... | 10/31/2000 |
| 6129902 | Manufacturing method of active materials for the positive electrode in alkaline storage batteries A process for producing positive electrode active material includes feeding an aqueous nickel salt solution, aqueous solutions of different kinds of metals, aqueous solution containing ammonium ions and aqueous alkali solution each independently and simul... | 10/10/2000 |
| 6117572 | YBCO epitaxial films deposited on substrate and buffer layer compounds in the system Ca2 MeSbO6 where Me=Al, Ga, Sc and In Compounds of the general formula Ca2 MeSbO6 where Me is a 3+ ion selected from the group consisting of aluminum (Al), scandium (Sc), indium (In), gallium (Ga), or a rare earth metal have been prepared and included as the substrate or... | 09/12/2000 |
| 6060422 | Process for producing acrylic acid A process for producing acrylic acid from propane and oxygen gas through a vapor-phase catalytic oxidation reaction, said process comprising conducting the reaction using as a catalyst a metal oxide containing metallic elements Mo, V, Sb, and A (provided ... | 05/09/2000 |
| 6054600 | Non-toxic solvent soluble group IV and V metal acid salt complexes using polyether acid anhydrides Novel metal acid salt complexes are provided comprising (1) a metal selected from Group IV and Group V metals and (2) a polyether acid, along with a process for making the salt complexes. The process comprises: (a) preparing a polyether acid anhydride fro... | 04/25/2000 |
| 5972820 | Methods of making stabilized crystalline alumina compositions, and alumina compositions and catalyst supports made therefrom Methods of making substantially phase-pure and thermally stable crystalline alumina compositions stabilized with an oxide of silicon, germanium, phosphorus, arsenic or a mixture thereof. Also provided are crystalline alumina compositions and catalyst supp... | 10/26/1999 |
| 5928619 | Composition based on ceric oxide, preparation and use The invention relates to new compositions based on ceric oxide having an improved oxygen storage capacity, these compositions being characterized in that they contain, besides ceric oxide, at least one oxide of another metallic element M chosen from the g... | 07/27/1999 |
| 5877106 | Stabilized crystalline alumina compositions New thermally- and hydrothermally-stable δ-alumina compositions stabilized with an oxide of silicon, germanium, phosphorus, arsenic or a mixture thereof and methods of preparation of same are provided. Also provided are catalyst supports and catalysts ma... | 03/02/1999 |
| 5855862 | Process for the preparation of an oxide, especially a transition metal oxide A method for preparing an oxide (P), which includes the steps of (i) forming a solid phase compound (O) based on an oxide containing molecular entities (1) chosen from optionally substituted ammonium, diammonium, diazan-ium or diazandium, the entities bei... | 01/05/1999 |
| 5840267 | Method for producing metal oxide powders A method for producing a metal oxide powder which comprises heating a metal or metals in an atmosphere gas comprising a halogen gas, a hydrogen halide gas or a mixture of these gases in a concentration of from 0.5% by volume or more to 99.5% by volume or ... | 11/24/1998 |
| 5788913 | Processes to prepare antimony doped tin oxide electroconductive powders Solution precipitation processes for preparing antimony doped tin oxide having improved volumetric efficiency and improved wash efficiency involving use of concentrated base and metal salt solutions are disclosed.... | 08/04/1998 |
| 5783166 | Process for producing antimony trioxide A process for the production of antimony trioxide comprising the steps of: (i) reacting antimony trisulfide with iron (III) chloride to produce antimony trichloride; and (ii) hydrolyzing antimony trichloride to produce antimony trioxide. In a preferred em... | 07/21/1998 |
| 5698483 | Process for preparing nanosized powder A process for producing nano size powders comprising the steps of mixing an aqueous continuous phase comprising at least one metal cation salt with a hydrophilic organic polymeric disperse phase, forming a metal cation salt/polymer gel, and heat treating ... | 12/16/1997 |
| 5693136 | Bismuth vanadate pigments and processes for producing the same A process for preparing a pigment based on bismuth vanadate by reacting an acidic solution of bismuth nitrate with a basic solution of ammonium metavanadate to form a precipitate in a very acidic reaction mixture with a pH value of between 1 and 2. The pH... | 12/02/1997 |
| 5635154 | Process for producing fine metal oxide particles Disclosed herein is a process for producing fine metal oxide particles comprising the step of heat-treating an aqueous solution of a metal salt at a temperature of not lower than 200° C. under a pressure of not less than 160 kg/cm2 for 1 secon... | 06/03/1997 |
| 5618472 | Compounds and methods for separation and molecular encapsulation of metal ions Anions of the formula (I): [DA5 M30-x O110-x (M'L)x ]m- (I) in which D is Na+, Ca2+ ; A is P, As, Sb, Si, Ge, or combinations thereof, M is W5+, W6+, or mixtures... | 04/08/1997 |
| 5494652 | Method for preparing particles of metal oxide (tin oxide) A fine metal oxide powder is prepared by a method comprising the steps of (1) preparing a hydroxide precursor of a metal oxide, (2) mixing the precursor with an inorganic compound having a melting point lower than the crystallization temperature of the me... | 02/27/1996 |
| 5449503 | Process for separating arsenic acid from an aqueous mixture comprising sulfuric and arsenic acids The present invention provides a process for recovering arsenic acid from a starting mixture comprising sulfuric and arsenic acids and water. In step (a), the starting mixture is treated with a sulfur (IV) compound which will reduce the arsenic acid to ar... | 09/12/1995 |
| 5426310 | Method of heat-treating an oxide optical crystal and a heat treatment apparatus for carrying out the same A heat treatment method heats an oxide optical crystal in an oxygen atmosphere containing ozone to improve the light absorption characteristics of the oxide optical crystal so that the light absorption of the oxide optical crystal with light in wavelength... | 06/20/1995 |
