Matches 51 - 100 out of 348 < 1 2 3 4 5 6 7 >


Match Document Document Title
7927391 Ceria based glass polishing composition and a process for the manufacture thereof  
The invention is directed to a process for the manufacture of a ceria based polishing composition, comprising (a) suspending an inorganic cerium salt or cerium hydroxide with a cerium content...
7867461 Method for preparing of cerium oxide powder for chemical mechanical polishing and method for preparing of chemical mechanical polishing slurry using the same  
The present invention relates to a method of preparing a cerium oxide powder for a CMP slurry and a method of preparing a CMP slurry using the same, and more particularly, to a method of preparing...
7862654 Treating agent for forming a fluoride coating film and method for forming a fluoride coating film  
A fluoride coating film formed with a fluoride-containing solution wherein a rare earth fluoride or an alkaline earth metal fluoride, in particular, fluoride of Pr, Nd, Dy, Tb and Ho, is swollen...
7820586 Composition based on zirconium oxide and oxides of cerium, lanthanum and of another rare earth, a method for preparing same and use thereof as catalyst  
The invention concerns a composition based on zirconium and cerium oxides in an atomic ratio Zr/Ce>1, and further comprising lanthanum oxide or an oxide of a rare earth other than cerium and...
7815726 Treating agent for forming a fluoride coating film and method for forming a fluoride coating film  
A fluoride coating film formed with a fluoride-containing solution wherein a rare earth fluoride or an alkaline earth metal fluoride, in particular, fluoride of Pr, Nd, Dy, Tb and Ho, is swollen...
7799293 Actinide extraction methods  
Methods of separating actinides from lanthanides are disclosed. A regio-specific/stereo-specific dithiophosphinic acid having organic moieties is provided in an organic solvent that is then...
7754167 Method for separating trivalent americium from trivalent curium  
A method is disclosed for separating trivalent americium from trivalent curium, coming from an aqueous solution containing at least these cations, wherein, at an acid concentration of 0.01...
7754173 Rare earth oxide nanocrystals and methods of forming  
A method of forming rare earth oxide nanocrystals include the steps of dissolving a rare earth including compound in a solution containing at least one organic solvent, heating the solution to a...
7754168 Concentrate of fine ceria particles for chemical mechanical polishing and preparing method thereof  
Disclosed are a concentrate of fine ceria particles for chemical mechanical polishing, and a method of preparing the same. The method includes reacting a reactant mixture comprising i) water, ii)...
7741396 Composites having tunable dielectric constants, methods of manufacture thereof, and articles comprising the same  
Disclosed herein is a composition comprising a polymeric material; and non-linear dielectric ceramic fillers; wherein the non-linear dielectric ceramic fillers have a dielectric constant that is...
7740814 Composite materials and method of its manufacture  
A novel solution route has been developed that after heat-treatment to 500-600° C. under inert atmosphere, yields highly porous composites of nano-sized metal (Ni) particle inclusions in ceramics...
7722841 Polymeric chelant and coagulant to treat metal-containing wastewater  
The present invention is directed to the use of a combination of a polymeric chelant and coagulant to treat metal containing wastewater. More particularly, the invention is directed at removing...
7691767 Catalytic cracking catalyst for heavy oil and production process for olefin and fuel oil  
Provided are a catalyst which inhibits light paraffins form being produced in catalytic cracking of heavy hydrocarbons and which effectively produces olefins and a process in which the above...
7670578 Method for preparing rare-earth halide blocks  
The invention relates to a method of preparing a polycrystalline block of a halide of formula AeLnfX(3f+e) in which Ln represents one or more rare earths, X represents one or more halogen atoms...
7641799 Method of separating isotopes  
A process in which isotopes of the same element belonging to the alkaline earth metals, transition elements and heavy metals having an atomic mass of less than 209, in particular lanthanide...
7598194 Oxynitride powder and production method thereof  
It is aimed at providing an oxynitride powder, which is suitable for usage as a phosphor, is free from coloration due to contamination of impurities, and mainly includes a fine α-sialon powder. An...
7582276 Nanoscale rutile or anatase oxide and method for producing same  
The invention relates to nanoscale rutile or oxide powder that is obtained by producing amorphous TiO2 by mixing an alcoholic solution with a titanium alcoholate and with an aluminum alcohalate...
7572532 Oxide material and a fuel cell electrode containing said material  
The invention relates to an oxide material of general formula (I) A2−x−yA′XA″yM1−z M′Z04+δ, wherein A and A′ are independently a metal cation of a group formed by lanthanides and/or alkalis and/or...
7566436 Counter current mixing reactor  
A mixing reactor for mixing efficiently streams of fluids of differing densities. In a preferred embodiment, one of the fluids is supercritical water, and the other is an aqueous salt solution....
7554098 Medical isotope generator systems  
Medical isotope generator systems are disclosed according to some aspects. In one aspect, a 90Y generator system comprises a generator column, a concentration column, and a flow control system,...
7527773 Rare earth oxide nanocrystals and methods of forming  
A method of forming rare earth oxide nanocrystals include the steps of dissolving a rare earth including compound in a solution containing at least one organic solvent, heating the solution to a...
7504085 Alumina-based perovskite catalysts and catalyst supports  
An alumina-based perovskite is formed by mixing a lanthanide source with a transitional alumina to form a dual-phase composition comprising in-situ formed LnAlO3 dispersed in alumina. The...
7504356 Nanoparticles of cerium oxide having superoxide dismutase activity  
A synthetic catalyst providing superoxide dismutase activity consists essentially of monodispersed nanoparticles of cerium oxide having a crystal lattice containing cerium in mixed valence states...
7498005 Nanoparticles of rare earth oxides  
Rare earth compositions comprising nanoparticles are described along with various nanotechnology applications of such nanoparticles. The compositions of the nanomaterials discussed may include...
7470297 Cerium-based abrasive and production process thereof  
A mixed light rare earth compound which has been obtained by chemically removing medium-to-heavy rare earth elements, Nd and impurities other than rare earth elements from an ore containing rare...
7435399 Chromatographic extraction with di(2-ethylhexyl)orthophosphoric acid for production and purification of promethium-147  
A method of producing and purifying promethium-147 including the steps of: irradiating a target material including neodymium-146 with neutrons to produce promethium-147 within the irradiated...
7368093 Process for preparing fused solid of europium halide  
Fused solid of an europium halide containing a less amount of europium oxyhalide impurities is prepared by a process in which a starting europium halide is heated to fuse in the presence of a...
7361322 Ceric oxide and method for production thereof, and catalyst for exhaust gas clarification  
The present invention relates to ceric oxide that has excellent heat resistance and oxygen absorbing and desorbing capability useful as a co-catalyst material suitable for a catalyst for purifying...
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
7341700 Method for recovery of metals from metal-containing materials using medium temperature pressure leaching  
The present invention relates generally to a process for recovering copper and other metal values from metal-containing materials using controlled, super-fine grinding and medium temperature...
7279036 Process for preparation of inorganic colorants from mixed rare earth compounds  
The present invention provides a novel process for preparation of inorganic colourants from mixed rare earth compounds, which are directly obtained from the ore industry, without undergoing any...
7247291 Nano sized sulfide compounds of cerium and a process for the preparation thereof  
The present invention relates to nano sized sulfide compounds of cerium and a process for the preparation thereof. More particularly, the present invention provides novel nano sized particles of...
7195745 Method of preparing a product based on phosphate of thorium and/or actinide(s)  
The invention relates to a process for the preparation of a product based on a phosphate of at least one element M(IV), for example of thorium and/or of actinide(IV)(s). This process comprises the...
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...
7147835 Oxide powder for dielectrics, method of manufacturing oxide powder for dielectrics, and multi-layer ceramic capacitor using the same  
Disclosed herein is a small particle oxide powder for dielectrics. The oxide powder has a perovskite structure, an average particle diameter [D50(μm)] of 0.3 μm or less, a particle size...
7141227 Apparatus and method for preparing cerium oxide nanoparticles  
This invention provides a method for preparing cerium oxide nanoparticles with a narrow size distribution. The cerium oxide nanoparticles obtained by the method of the invention are nearly all...
7132093 Mesoporous mixed oxide materials as a new class of SO2 resistant catalysts for hydrocarbon oxidation  
The oxide materials are of the class of ternary mesoporous mixed oxide materials including lanthanum, a metal M selected from the group consisting of Cr, Mn, Fe, Co, Ni, Cu and Zn, and zirconium...
7128840 Ultrasound enhanced process for extracting metal species in supercritical fluids  
Improved methods for the extraction or dissolution of metals, metalloids or their oxides, especially lanthanides, actinides, uranium or their oxides, into supercritical solvents containing an...
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...
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...
7122163 Rare-earth oxide or sulfide of nano size and process for producing the same through photochemical reaction  
A crystalline rare-earth oxide or sulfide which has an average particle diameter of 10 nm or less and in which the rare-earth element has a low valance, in particular, crystalline EuO or EuS of...
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...
7105138 Macroporous perovskite manganese oxides with highly ordered nano-pores and method of preparing the same  
The present invention relates to the macroporous manganese oxide material having ferromagnetic property and a method of preparing the same, more particularly to the macroporous ferromagnetic...
7101484 Sr-90/Y-90 radionuclide generator for production of high-quality Y-90 solution  
A process for purifying a stock Sr-90 solution containing stable and radioactive impurities, holding the purified Sr-90 solution for Y-90 ingrowth, and subsequently extracting the Y-90 from the...
7094383 Method for preparing pure, thermally stable and high surface area ceria  
A method for the preparing pure, thermally stable and high surface area ceria is described, wherein the ceria maintains a surface area of 12 m2/g after calcination at 980° C. in air for 4 hours....
7090724 Langasite single crystal ingot, substrate for piezoelectric device and method for manufacture thereof, and surface acoustic wave device  
The contents by weight ratio of lanthanum oxide, gallium oxide, and silicon oxide, which are components, in the longitudinal cross-section and transverse cross-section of the straight part,...
7063792 Method for separating metals such as zirconium and hafnium  
A method for separating a metal (a) from a metal (2), preferably zirconium from hafnium, which consists in dissolving said metals in an aqueous solution wherein said metals are in a state...
7049347 Method for making fine and ultrafine spherical particles of zirconium titanate and other mixed metal oxide systems  
Disclosed is a method for making amorphous spherical particles of zirconium titanate and crystalline spherical particles of zirconium titanate comprising the steps of mixing an aqueous solution of...
7025943 Method for preparation of nanometer cerium-based oxide particles  
The invention comprises novel undoped and doped nanometer-scale CeO2 particles as well as a novel semi-batch reactor method for directly synthesizing the novel particles at room temperature. The...
6835228 Process of recovering valuable metals from waste secondary batteries  
A process of recovering metals from waste lithium ion/Ni—H/Ni—Cd batteries, wherein the waste batteries are calcined and sieved to generate an ash containing metals and metal oxides. The process...

Matches 51 - 100 out of 348 < 1 2 3 4 5 6 7 >