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| Number | Title | Issue Date |
| 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 |
| 7309377 | Method for separation of isotopes This invention relates to a method for separation of isotopes, that is, to obtain isotopically pure fractions by separating natural 1 isotope mixtures in elements, where hydrogen is employed as ligand on the elements that are to be isotopically separated, and where ... | 12/18/2007 |
| 7286637 | Optical thin film and mirror using the same To provide an optical thin film structure capable of efficiently dissipating heat in an optical thin film which is generated upon irradiating a surface of an X-ray mirror made up of the optical thin film with an X-ray. The optical thin film having an isotope purity ... | 10/23/2007 |
| 7238596 | Method for preparing GeSnE(E=P, As, Sb) semiconductors and related Si-Ge-Sn-E and Si-Ge-E analogs A process for is provided for synthesizing a compound having the formula E(GeH3)3 wherein E is selected from the group consisting of arsenic (As), antimony (Sb) and phosphorus (P). GeH3Br and [CH3)3Si]3 | 07/03/2007 |
| 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 |
| 7179441 | Method for preparing barium-titanate based powder 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(C | 02/20/2007 |
| 7157024 | Metal oxide particle and process for producing same The present invention relates to a metal oxide particle comprising tin atom, zinc atom, antimony atom and oxygen atom, having a molar ratio SnO2:ZnO:Sb2O5 of 0.01–1.00:0.80–1.20:1.00 and having a primary particle diameter of 5 to... | 01/02/2007 |
| 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 |
| 7122164 | Niobate-based octahedral molecular sieves Niobate-based octahedral molecular sieves having significant activity for multivalent cations and a method for synthesizing such sieves are disclosed. The sieves have a net negatively charged octahedral framework, comprising niobium, oxygen, and octahedrally coordin... | 10/17/2006 |
| 7119400 | Isotopically pure silicon-on-insulator wafers and method of making same A semiconductor wafer structure having a device layer, an insulating layer, and a substrate which is capable of supporting increased semiconductor device densities or increased semiconductor device power. One or more of the layers includes an isotopically enriched s... | 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 |
| 6986873 | Method of producing a metal-containing single-phase composition A method of producing a single-phase composition Mn+1AzXn, primarily the production of the single-phase material Ti3SiC2, where n lies within a range of 0.8-3.2, where z lies within a range of 0.8-1.2, where M i... | 01/17/2006 |
| 6953120 | Method of recovering metal and/or oxide thereof in a slurry and tailings obtained from said method A method of recovering metal and/or oxide thereof from a slurry is described. The method involves magnetically separating at least a portion of any magnetic impurities from the slurry and then leaching or dissolving at least a portion of any remaining magnetic impur... | 10/11/2005 |
| 6926956 | Transparent conductive heat sealing material and carrier tape lid using same The present invention has a main object to provide a transparent conductive heat sealing material of which antistatic property does not deteriorates even at a low humidity, and has a transparency to an extent of permitting visual recognition of the contents and a ca... | 08/09/2005 |
| 6874335 | Large scale synthesis of germanium selenide glass and germanium selenide glass compounds Systems and methods for large scale synthesis of germanium selenide glass and germanium selenide glass compounds are provided. Up to about 750 grams of a germanium selenide glass or a glass compound can be synthesized at a time in about eight hours or less. Stoichio... | 04/05/2005 |
| 6855527 | Method of biotreatment for solid materials in a nonstirred surface bioreactor A method of biotreating a solid material to remove an undesired compound using a nonstirred surface bioreactor is provided. According to the method, the surface of a plurality of coarse substrates is coated with a solid material to be biotreated to form a plurality ... | 02/15/2005 |
| 6835332 | PROCESS FOR PRODUCING AN ELECTRODE MATERIAL FOR A RECHARGEABLE LITHIUM BATTERY, AN ELECTRODE STRUCTURAL BODY FOR A RECHARGEABLE LITHIUM BATTERY, PROCESS FOR PRODUCING SAID ELECTRODE STRUCTURAL BODY, A RECHARGEABLE LITHIUM BATTERY IN WHICH SAID ELECTRODE STRUCTURAL BODY IS USED, AND A PROCESS FOR PRODUCING SAID RECHARGEABLE LITHIUM BATTERY A process for producing an electrode material for a rechargeable lithium battery, comprising the steps of mixing a metal compound (a) of a metal (a′) capable of being electrochemically alloyed with lithium, a transition metal compound (b) of a transition metal (bâ... | 12/28/2004 |
| 6787117 | Porous hollow fiber membrane having chelate formability and method for recovery of germanium oxide using the porous hollow fiber membrane There are provided a porous hollow fiber membrane capable of economically and efficiently recovering germanium which has heretofore been entirely disposed as a waste, and a method for recovery of germanium oxide using such a porous hollow fiber membrane. The ... | 09/07/2004 |
| 6733559 | Method of reducing the availability of heavy metals in plants and the use of cross linked poly(meth)acrylates in said method A process for reducing plant availability of heavy metals in substrates such as soils wherein the substrates treated with cross-linked polymethacrylates. The poly (meth)acrylates can be worked into the soils. ... | 05/11/2004 |
| 6688811 | Stabilization method for lead projectile impact area A method for reducing the leaching of lead from a lead projectile impact area acting to collect or stop such projectiles includes contacting the lead projectile impact area with a seed of dry granular lead stabilizing agents. This seeding or coating of le... | 02/10/2004 |
| 6656588 | Ultrafine powders and their use as lasing media Doped, nanosize metal oxide particles have been shown to exhibit stimulated emission and continuous-wave laser action when energized appropriately, for example by electron beams. The doped particles are useful as solid state lasing devices and "laser pain... | 12/02/2003 |
| 6576696 | Divalent metal stannate products A divalent metal stannate product having a loss on ignition of 2-17% by weight, e.g. a product intermediate ZnSn(OH)6 and ZnSnO3 has advantageous flame-retardant properties, for use e.g. in polymer formulations.... | 06/10/2003 |
| 6537510 | Conductive pigment powder and transparent conductive film formed by using the same One embodiment of the present invention provides a conductive pigment powder, which includes indium oxide, tin and gold, and having a purple color tone. Other embodiments of the present invention provide a method of producing a conductive pigment powder; ... | 03/25/2003 |
| 6533966 | Method for preparing suspensions and powders based in indium tin oxide and the use thereof Suspensions and powders based on indium tin oxide are prepared by a method in which indium tin oxide precursors are precipitated from solutions in one or more solvents in the presence of one or more surface-modifying components, the solvent(s) are removed... | 03/18/2003 |
| 6517701 | Lead, zinc and manganese recovery from aqueous solutions Aqueous solutions containing lead, zinc and manganese are treated to recover these metals by sequential solvent extraction steps. Solvent extractants are selected to extract preferentially lead, then zinc and then manganese in that order. Any interfering ... | 02/11/2003 |
| 6500779 | Molybdenum based oxidation catalysts This invention concerns catalysts comprising a molybdenum compound of formula I, II, III, IV or V I Vq MoAy Oz II NiMox By Oz' III VNiw Mox Cy' Oz" IV CoNi... | 12/31/2002 |
| 6475462 | Process and apparatus for treating particulate matter The present invention provides a process for treating a particulate material, in which particles of the material to be treated interact with non-static particles of a second material, the process comprising the steps of: (i) providing a processing chamber... | 11/05/2002 |
| 6409978 | Method of removing impurities from mineral concentrates A process for removing impurities contained in the crystal lattice of minerals, comprising the steps of forming a mixture of a mineral capable of structurally reorganizing its crystal lattice which contains an impurity in its crystal lattice and a halogen... | 06/25/2002 |
| 6383458 | Biooxidation process for recovery of metal values from sulfur-containing ore materials A process for the recovery of one or more metal values from a metal ore material comprising those of one or more values and a matrix material having a sulfur content wherein the sulfur is present in an oxidation-reduction state of zero or less comprising ... | 05/07/2002 |
| 6350419 | Combined supported liquid membrane/strip dispersion process for the removal and recovery of metals The present invention provides a novel process for the removal and recovery of metals from waste waters and process streams. The process of the present invention utilizes a combination of a supported liquid membrane (SLM) and a strip dispersion to improve... | 02/26/2002 |
| 6267936 | Method for effecting solvent extraction of metal ions using hydrocarbon soluble aminomethylene phosphonic acid compounds Solvent extraction of one or more metal ions from an aqueous solution in the presence of hydrocarbon-soluble aminomethylenephosphonic acid derivatives.... | 07/31/2001 |
| 6200377 | Process for beneficiation of mixtures of mineral particles An improved process for the beneficiation of mixtures of mineral particles (such as kaolin clays) containing minerals which chelate with hydroxamates. The use of a silicon-containing compound in combination with a hydroxamate results in a more effective s... | 03/13/2001 |
| 6153156 | Method for purifying leady oxides A process for providing a leady oxide having reduced levels of undesired metallic impurities such as, for example, bismuth and/or silver, comprises roasting the leady oxide to convert part to orthorhombic PbO, exposing the roasted leady oxide to particle ... | 11/28/2000 |
| 6146601 | Enrichment of silicon or germanium isotopes Isotopes of either germanium or silicon are separated by a chemical exchange reaction. Preferably the compound is a hydro halide or halide composition and the donor can be a wide variety of compounds such as a lower molecular weight alcohol.... | 11/14/2000 |
| 6090353 | Method of removing impurities from mineral concentrates A process for removing impurities contained in the crystal lattice of minerals, comprising the steps of forming a mixture of a mineral capable of structurally reorganizing its crystal lattice which contains an impurity in its crystal lattice and a halogen... | 07/18/2000 |
| 6051517 | Modified zeolite membrane A modified zeolite or molecular sieve membrane for separation of materials on a molecular scale. The modified membrane is fabricated to wholly or partially block regions between zeolite crystals to inhibit transfer of larger molecules through the membrane... | 04/18/2000 |
| 6043177 | Modification of zeolite or molecular sieve membranes using atomic layer controlled chemical vapor deposition A process for modifying surfaces of zeolites and molecular sieve membranes to decrease effective pore size for separation of materials includes atomic layer controlled vapor or liquid deposition. The atomic layer controlled deposition process steps includ... | 03/28/2000 |
| 5945342 | Method for digesting spent ion exchange resins and recovering actinides therefrom using microwave radiation The present invention relates to methods for digesting diphosphonic acid substituted cation exchange resins that have become loaded with actinides, rare earth metals, or heavy metals, in a way that allows for downstream chromatographic analysis of the ads... | 08/31/1999 |
