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| Number | Title | Issue Date |
| 8142752 | Method of preparation of talcum product with high purity degree The method which is the subject of protection is characteristic by the fact that firstly is made the suspension consisting of 10 to 20 mass % of mineral talc and 80 to 90 mass % of water; resulting suspension is homogenized and thereafter is heated to the temperatur... | 03/27/2012 |
| 7824642 | Method for producing forsterite powder, forsterite powder, sintered forsterite, insulating ceramic composition, and multilayer ceramic electronic component A forsterite powder with superior characteristics which can be sintered at a relatively low temperature can be economically produced, when a magnesium source, a silicon source, and copper particles are mixed to prepare a mixed powder containing 300 to 2,000 ppm by w... | 11/02/2010 |
| 7785555 | Synthesis of lizardite from olivine Methods of converting olivine to lizardite without formation of chrysotile or brucite are disclosed. The methods comprise heating a mixture of olivine, silica, water, and a caustic agent. The addition of silica allows for complete conversion of the olivine to lizard... | 08/31/2010 |
| 7704477 | Method for producing powder forsterite powder, forsterite powder, sintered forsterite, insulating ceramic composition, and multilayer ceramic electronic component A forsterite powder with superior characteristics which can be sintered at a relatively low temperature can be economically produced, when a magnesium source, a silicon source, and copper particles are mixed to prepare a mixed powder containing 300 to 2,000 ppm by w... | 04/27/2010 |
| 7700061 | Heat-resistant material for low-melting metal casting machine The present invention provides a heat-resistant material for a low-melting metal casting machine, which comprises calcium silicate and a fluoride. ... | 04/20/2010 |
| 7438976 | Nano-talc powders of high specific surface area obtained by hybrid milling The invention provides high surface area talc compositions by a novel hybrid milling method or soaking method. The hybrid milling method comprises dry milling talc powder followed by mixing with water and wet milling to provide a nano-talc slurry with high surface a... | 10/21/2008 |
| 7432015 | Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same The negative active material for a rechargeable lithium battery of the present invention includes a carbonaceous material and a silicon-based compound represented by Formula 1: Si(1-y)MyO1+x   (1) where 0 | 10/07/2008 |
| 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 |
| 7335342 | Process for the preparation of sodium silicate from Kimberlite tailing In the present invention a process for the preparation of sodium silicate from Kimberlite tailing generated as solid waste during diamond mining is disclosed. The process comprises, reacting Kimberlite tailing with mineral acid to remove acid soluble impurities foll... | 02/26/2008 |
| 7314605 | Microporous crystalline metal silicates and processes for their preparation New bridged layered silicates are disclosed where the bridging groups bridge adjacent silicate layers via oxygen atoms on each silicate layer that are unshared to produce porous three dimensional structures. Methods for making these bridged layered silicates are dis... | 01/01/2008 |
| 7297318 | Method of removing heavy metals from silicate sources during silicate manufacturing Methods for the removal of lead from a metal silicate during the process of manufacturing of such a material are provided. With the reliance upon lower cost starting silicon dioxide starting materials that are known to exhibit elevated amounts of heavy metal therein... | 11/20/2007 |
| 7285260 | Synthesis method for carbon material based on LiMM'(XO) Method of synthesis for a material made of particles having a core and a coating and/or being connected to each other by carbon cross-linking, the core of these particles containing at least one compound of formula LixM1−yM′y(XO | 10/23/2007 |
| 7279147 | Method of producing an adsorbent from rice hull ash The invention relates to a method for producing an adsorbent from rice hull ash comprising the following steps of extracting alkali from rice hull for obtaining sodium silicate solution, and mixing the sodium silicate solution with a salt, whereby precipitation of t... | 10/09/2007 |
| 7258732 | Stabilized slurry composition and method of making the same The present invention provides a high solids mineral slurry having long term stability and a method for producing the same. Specifically, the present invention provides a talc slurry having a solids content of up to 65% and a stability against sedimentation for up t... | 08/21/2007 |
| 7241826 | Resin composition, process for production thereof, and foam-insulated electric wire The present invention provides a resin composition containing a filler poor in affinity for fluororesins as uniformly dispersed therein and a method of producing such resin composition and, further, a resin composition containing, as fillers, a nucleating agent for ... | 07/10/2007 |
| 7201885 | Method of removing heavy metals from silicate sources during silicate manufacturing Methods for the removal of lead from a metal silicate during the process of manufacturing of such a material are provided. With the reliance upon lower cost starting silicon dioxide starting materials that are known to exhibit elevated amounts of heavy metal therein... | 04/10/2007 |
| 7176017 | Triphasic bioreactor and process for gas effluent treatment A triphasic bioreactor for physico-chemically treating a gas is disclosed. The triphasic bioreactor comprises a reaction chamber with a liquid and biocatalysts in suspension in the liquid, for catalyzing a reaction between the gas and the liquid to obtain a treated ... | 02/13/2007 |
| 7097818 | Silica and silicate by precipitation at constant alkali number, and its use Precipitated silica or silicates, obtainable by acid precipitation of aqueous silicate solutions while maintaining a constant alkali number of at least 1. ... | 08/29/2006 |
| 7048900 | Method and apparatus for production of precipitated calcium carbonate and silicate compounds in common process equipment A method and apparatus for the production of calcium carbonate and calcium silicate in common superatmospheric reactors. Multiple reactors can be provided for switching production between reactors, and advantageously utilizing process waste heat. On site production ... | 05/23/2006 |
| 7041265 | Alkaline earth metal-basic silicate particle Alkaline earth metal basic silicate particles having a silicate of an alkaline earth metal on the surfaces of the alkaline earth metal hydroxide particles, and having an SiO2/MO (M is an alkaline earth metal) molar ratio as a whole in a range of from 0.01... | 05/09/2006 |
| 7037475 | Precipitated silica particles for cat litter The invention pertains to precipitated silica particles having edged surfaces and a length: width: depth ratio of 1:1:1 to 3:3–1:1 with the length being 0.25 to 15 mm, an absorbing capacity PV water (wt. % >;125, a pore volume PV Hg (ml/g) 0.8–4, a pore volume P... | 05/02/2006 |
| 7008566 | Oligo phosphate-based electrode active materials and methods of making same The invention provides an electrochemical cell which includes a first electrode and a second electrode which is a counter electrode to said first electrode, and an electrolyte material interposed there between. The first electrode includes an active material having ... | 03/07/2006 |
| 6960457 | Reversible immobilization of arginine-tagged moieties on a silicate surface This invention provides materials and methods for the site specific attachment of virtually any moiety to a layered silicate surface. The methods involve covalently attaching the moiety to an arginine tag; and contacting the arginine tag with the layered silicate (e... | 11/01/2005 |
| 6933259 | Composite oxide powder, a method for producing the same and a catalyst using the same This composite oxide powder can secure a large pore volume even after calcination at high temperature and, when a catalyst is formed by loading a noble metal on this composite oxide powder, noble metal grain growth can be suppressed. The composite oxide powder compr... | 08/23/2005 |
| 6932002 | System and method of processing solid waste A system and associated method of processing solid waste via a waste gasification process results in usable by-products. The method utilizes a rotary kiln heated to a temperature of at least 800° F. and a reduction chamber, heated to a temperature of at least 1800Â... | 08/23/2005 |
| 6921553 | Non-ionic foam composition for treating asbestos-containing materials and method of using same A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an acid component, at least about 0.1% by weight of a source of fluoride ions... | 07/26/2005 |
| 6914095 | Nanocomposite compositions and methods for making and using same The present invention is directed, in part, to improved nanocomposite compositions and processes for preparing same. In one embodiment, there is provided a process for preparing an aqueous nanocomposite dispersion, wherein the process comprises: providing at least o... | 07/05/2005 |
| 6911488 | Physical methods of dispersing characteristic use particles and compositions thereof The present invention provides compositions that are capable of being dispersed in a target medium. The compositions include characteristic use particles entrapped within a physical entrapment phase, wherein the physical entrapment phase is dispersible in the target... | 06/28/2005 |
| 6890500 | Salt-templated microporous solids The invention is directed to open-framework and microporous solids well suited for use in catalysis and ion exchange. The microporous solids are constructed by using a salt template which can be readily removed without destroying the framework of the micropore. Vari... | 05/10/2005 |
| 6890503 | Silica additive for use in rubbers and similar cross-linked materials The present development is a silica additive for use in rubbers and similar cross-linked materials having a silicon atom intercalated within an oxygenated framework. The additive may be prepared starting with crystalline, fused or amorphous silica powder, thereby re... | 05/10/2005 |
| 6883349 | Method for preparing raw materials for glass-making The subject of the invention is a process for manufacturing compounds based on one or more silicates of alkali metals, such as Na and K and/or alkaline earth metals such as Ca, Mg, and/or on rare earths, such as Ce, optionally in the form of mixed silicates which co... | 04/26/2005 |
| 6849112 | Inorganic particles as a dental material and a method of producing the same Amorphous inorganic particles as a dental material includes silica and inorganic oxide(s) other than silica and has high x-ray impermeability. The inorganic particles as a dental material includes silica with the content in the range from 70 to 98 weight % and oxide... | 02/01/2005 |
| 6835320 | Zinc-modified composite polybasic salt, process for producing the same, and use A composite metal polybasic salt containing a trivalent metal, zinc metal and a divalent metal as metal components and having a novel crystal structure, and a method of preparing the same. The invention further deals with a composite metal polybasic salt which has a... | 12/28/2004 |
| 6797249 | Process for the preparation of amorphous silica The invention provides a process for the production of amorphous silica from a silica-based material having a silica content of at least 90% comprising: a) heating said silica-based material with CaCl2, at a temperature in the range of about 900° C. to a... | 09/28/2004 |
| 6761865 | Method for synthesizing crystalline magnesium silicates from geothermal brine Crystalline magnesium silicates are synthesized from silica-containing brines, preferably spent geothermal brines, by mixing the brine with a magnesium-containing compound, adjusting the pH of the resultant mixture between 8.0 and 14, and crystallizing the magnesium... | 07/13/2004 |
| 6758977 | Purification of phosphoric acid plant pond water A process for the partial purification of contaminated phosphoric acid plant pond water is described, in which the pond water is treated sequentially, with two basic compounds, clarified, aged, clarified again and re-acidified. The thus treated pond water, still con... | 07/06/2004 |
| 6758976 | Simplified purification of phosphoric acid plant pond water A simplified process for the partial purification of contaminated phosphoric acid plant pond water having a molar calcium plus magnesium to fluorine ratio greater than or equal to about 0.60, is described, in which the pond water is treated with a basic compound, cl... | 07/06/2004 |
| 6723297 | Amorphous silica-alumina, a carrier combination and a hydrocracking catalyst containing the same, and processes for the preparation thereof An acidic amorphous silica-alumina having large specific surface area and a large pore volume, a carrier complex and a hydrotreating catalyst containing said acidic amorphous silica-alumina, in particular a hydrocracking catalyst containing said acidic amorphous sil... | 04/20/2004 |
| 6719821 | Precursors of engineered powders The production and selection of precursor mixtures used to produce fine powders and methods for making fine powders using the selected precursor. The precursor mixture comprises at least one metal containing precursor, the metal containing precursor has an average m... | 04/13/2004 |
| 6719955 | Salt-templated microporous solids The invention is directed to open-framework and microporous solids well suited for use in catalysis and ion exchange. The microporous solids are constructed by using a salt template which can be readily removed without destroying the framework of the micropore. Vari... | 04/13/2004 |
