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| Number | Title | Issue Date |
| 7700057 | Process for the production of titanium products The invention provides a method for the Industrial purification of a titanium feed stream of purity P1, by the formation of a titanium-double-salt precipitate of purity P2 and a titanium solution with purity P3, wherein P2>P1>P3, the method comprising the steps of: ... | 04/20/2010 |
| 7318897 | Method of removing spectator ions from aqueous suspension of solid particles The present invention provides a method of removing spectator ions and contaminants from aqueous suspensions of solid particles. In accordance with the method of the invention, the solid particles are transported across a phase boundary into a non-polar organic solv... | 01/15/2008 |
| 7247283 | Method of preparing a titanium and zirconium-based oxide, the oxides thus obtained and the use of same as catalysts The invention concerns a process for preparing an oxide based on zirconium and titanium in which a liquid medium containing a zirconium compound and a titanium compound is formed; said medium is then heated; the precipitate obtained from the end of the preceding ste... | 07/24/2007 |
| 7241272 | Method and composition for removing uremic toxins in dialysis processes Methods and devices for providing dialysis treatment are provided. The device includes a resin bed including zirconium phosphate, zirconium oxide, and urease. ... | 07/10/2007 |
| 7223378 | Preparation of barium titanate or strontium titanate having a mean diameter of less than 10 nanometers Process for preparing barium titanate or strontium titanate by reacting titanium alkoxides with barium hydroxide hydrate or strontium hydroxide hydrate in a C1–C8-alcohol or a glycol ether at from 50 to 150° C. ... | 05/29/2007 |
| 7220398 | Mixed-metal oxide particles by liquid feed flame spray pyrolysis of oxide precursors in oxygenated solvents Liquid feed flame spray pyrolysis of solutions of a metal oxide precursor which is an alkoxide or C1-6 carboxylate and at least one second metal oxide precursor and/or second metal compound dissolved in oxygenated solvent by combustion with oxygen lead to... | 05/22/2007 |
| 7211230 | Process for producing nanometer grade powders The present invention discloses a process for producing nanometer powders, comprising the following steps: (a) providing reactant solution A and reactant solution B that can rapidly react to form precipitate; (b) continuously adding said solution A and solution B in... | 05/01/2007 |
| 7182930 | Methods of fabricating barium titanate powders A method of fabricating barium titanate powders uses titanium tetrachloride and barium hydroxide as reactants in a reaction solution. The pH value of the reaction solution is adjusted to strongly alkaline range by adding potassium hydroxide. Nitrogen is charged into... | 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 |
| 7157072 | Cathode composition for lithium batteries and method of preparing the same Provided is a cathode composition for lithium secondary battery that includes a lithium-chromium-titanium-manganese oxide that has the formula Li[Li(1-x)/3CrxTi(2/3)yMn2(1-x-y)/3]O2 where 0≦x≦0.3, 0≦y≦0.... | 01/02/2007 |
| 7132093 | Mesoporous mixed oxide materials as a new class of SOresistant 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 or cerium such a mesoporous La—Co—Zr mixed oxide material designate... | 11/07/2006 |
| 7101519 | Zirconium basic carbonate and methods of making the same Methods of making zirconium basic carbonate are further described which involve titrating an aqueous slurry of sodium zirconium carbonate to a pH of from about 3.5 to about 4.0 with an acidic agent wherein the sodium zirconium carbonate has a moisture content of fro... | 09/05/2006 |
| 7078009 | Lepidocrocite type lithium potassium titanate, method for preparation thereof, and friction material Lepidocrocite lithium potassium titanate characterized as having a composition represented by the formula K0.5-0.7Li0.27Ti1.73O3.85-3.95, and preferably having an arithmetic mean of major and minor diameters of 0.1–100 Î... | 07/18/2006 |
| 7063824 | Beneficiation of zircon This invention relates to a process of treating a zirconium containing product such as zircon. The process comprises providing an alkali fusion decomposed zircon product (AFDZ) formed from reading zircon with a source of alkali metal at elevated temperatures, and tr... | 06/20/2006 |
| 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 |
| 6929786 | Method for separating zirconium and hafnium tetrachlorides with the aid of a melted solvent A method of separating zirconium and hafnium tetrachlorides using a solvent comprising firstly an alkaline metallic solvent comprising a salt made up of an alkali metal chloride and an acidic metal chloride A, for example a chloroaluminate or an alkaline chloroferra... | 08/16/2005 |
| 6893623 | Perovskite titanium-type composite oxide particle and production process thereof A perovskite titanium-containing composite oxide particle having a composition represented by general formula (I), where the specific surface area is about 10 to about 200 m2/g, the specific surface area diameter D1 of primary particles defined... | 05/17/2005 |
| 6838404 | Metal alkoxides and methods of making same A method of making a superconducting structure includes depositing a metal alkoxide on a surface of a metal and hydrolyzing the metal alkoxide on the surface to form a pinhole-free film. The metal is a superconductor. The metal alkoxide may be a compound of formula ... | 01/04/2005 |
| 6706445 | Synthesis of lithiated transition metal titanates for lithium cells An electrochemical active material contains a lithiated zirconium, titanium, or mixed titanium/zirconium oxide. The oxide can be represented by the formula LiM′M″XO4, where M′ is a transition metal, M″ is an optional three valent non-transition me... | 03/16/2004 |
| 6685909 | Nanocrystalline heterojunction materials Mesoporous nanocrystalline titanium dioxide heterojunction materials and methods of making the same are disclosed. In one disclosed embodiment, materials comprising a core of titanium dioxide and a shell of a molybdenum oxide exhibit a decrease in their p... | 02/03/2004 |
| 6627164 | Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same A method of making sodium zirconium carbonate is described which involves forming a mixture of zirconium oxychloride with soda ash and then heating at a sufficient temperature and for a sufficient time to form the sodium zirconium carbonate. Subsequent wa... | 09/30/2003 |
| 6602919 | Method for preparing hydrous zirconium oxide gels and spherules Methods for preparing hydrous zirconium oxide spherules, hydrous zirconium oxide gels such as gel slabs, films, capillary and electrophoresis gels, zirconium monohydrogen phosphate spherules, hydrous zirconium oxide spherules having suspendable particles ... | 08/05/2003 |
| 6395241 | Process for recovering the carbide metal from metal carbide scrap The process of the present invention relates to a process for recovering the carbide metal from metal carbide scrap wherein the metal is tungsten, titanium, vanadium, chromium or molybdenum, and this process comprises (A) providing a mixture comprising th... | 05/28/2002 |
| 6106799 | Preparation of granular titanate ion exchangers A titanate ion exchanger and method of producing same. Solid hydrous titanium oxide in a slurry is reacted with an alkaline agent, such as NaOH, containing an exchangeable cation. A solids fraction containing the titanate product is settled and separated ... | 08/22/2000 |
| 5945035 | Conductive pigments The invention relates to electrically conductive pigments which as a conductive layer on a platelet-shaped or needle-shaped substrate have a niobium- and/or tantalum-doped tin oxide or titanium dioxide layer.... | 08/31/1999 |
| 5573582 | Process for preparing fine-particulate metal hydroxide comprising aluminum hydroxide and metal oxide comprising aluminum oxide The present invention discloses a process for preparing a fine-particulate metal hydroxide comprising aluminum hydroxide as a major component which comprises continuously supplying water and a mixture of an aluminum alkoxide and at least one alkoxide of a... | 11/12/1996 |
| 5514360 | Negative thermal expansion materials A method for making tungstate compounds according to the formula XW2 O8, wherein X is selected from the group consisting of zirconium, hafnium, and combinations thereof, is described. Also described are compositions that include the ... | 05/07/1996 |
| 5411724 | Method for substitution of alumina in the framework of zeolites by silicon Aluminum can be removed from tetrahedral framework sites of zeolite frameworks and substituted with elements such as silicon, gallium, titanium or zirconium. The process involves three steps: (a) forming a mixture of the ammonium or alkaline metal form of the ... | 05/02/1995 |
| 5256608 | High hardness, wear resistant materials A powdered admixture of a boron, carbon, nitrogen or silicon derivative of a first metal is combined with a source of a second metal and, optionally, a source of a third metal or an iron-group metal, subjected to densification conditions (heat and pressur... | 10/26/1993 |
| 5223460 | High hardness, wear resistant materials A powdered admixture of a boron, carbon, nitrogen or silicon derivative of a first metal is combined with a source of a second metal and, optionally, a source of a third metal or an iron-group metal, subjected to densification conditions (heat and pressur... | 06/29/1993 |
| 5215945 | High hardness, wear resistant materials A powdered admixture of a boron, carbon, nitrogen or silicon derivative of a first metal is combined with a source of a second metal and, optionally, a source of a third metal or an iron-group metal, subjected to densification conditions (heat and pressur... | 06/01/1993 |
| 5152974 | Process for the manufacture of a powder of mixed metal oxides, and mixed metal oxide powders Process for the manufacture of a powder of mixed metal oxides by cohydrolysis of metal alcoholates in the presence of an acidic organic compound and mixed metal oxide powders in which the molar relationships R1 and R2 of a metal oxide to the sum of the me... | 10/06/1992 |
| 5149510 | Reactive zirconium oxide and its preparation A process for the preparation of improved zirconium oxides comprising A) providing a zirconium oxide which has been produced by thermal decomposition of zircon followed by chemical digestion of the resultant silicate phases, B) reacting the zirconium oxid... | 09/22/1992 |
| 5089247 | Process for producing zirconium-doped pseudoboehmite Zirconium-doped pseudoboehmite with the following properties: zirconium content of 0.5 to 10 mol % relative to Al water content of 20 to 35 weight percent total of the anionic impurities less than 0.5 weight percent. It is synthesized by a process wherein... | 02/18/1992 |
| 5068216 | Pillaring layered silicates with a mixture of swelling agent and pillar precursor There is provided a method for pillaring a layered silicate, such as kenyaite, with polymeric oxide by using a single step treatment with a mixture of swelling agent and pillar precursor. The swelling agent may be an organic cation, such as a cetyltrimeth... | 11/26/1991 |
| 5032376 | Method for producing aluminum titanate An improved method for producing aluminum titanate powder material for making aluminum titanate ceramics.... | 07/16/1991 |
| 5017534 | Method for the fabrication of a ceramic material by hybrid chemical process and material obtained thereby The disclosure concerns the fabrication, by chemical process, of a ceramic material belonging to the system: Bax Sr1-x (Tiu Zrv Hfw)O3 The fabrication method comprises the following steps: preparatio... | 05/21/1991 |
| 4933155 | Method of producing powder of lithium zirconate A method of producing powder of lithium zirconate is disclosed, in which a gel-like zirconium compound obtained by hydrolyzing or neutralizing an aqueous solution of a zirconium salt is mixed with an aqueous solution of a lithium salt and the mixture is d... | 06/12/1990 |
| 4885098 | Sonic method for facilitating the removal of solid particles from a slurry An elastic bar member is coupled to an orbiting mass oscillator and the entire assembly is suspended from a cable or the like such that the bar member has freedom of lateral motion and is nakedly immersed in a slurry having particulate material contained ... | 12/05/1989 |
| 4883532 | Sonic method for facilitating the extraction of minerals from ore in a leachant An elastic bar member is clamped to an orbiting mass oscillator and the entire assembly is suspended from a cable or the like such that the bar member has freedom of lateral motion and is nakedly immersed in a leachant having a material contained therein ... | 11/28/1989 |
