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| Number | Title | Issue Date |
| 7618608 | Aerogel and method of manufacturing same An ambient pressure, low cycle time method for the synthesis and manufacture of a low cost, highly insulting, highly translucent, and low density transition metal-based hydrophilic and hydrophobic nanogel. The important aspects are the method of synthesis, the stage... | 11/17/2009 |
| 7537746 | Process and apparatus for producing inorganic spheres A process for producing inorganic spheres, which comprises injecting an aqueous liquid containing an inorganic compound into a laminar flow of an organic liquid which runs at a flow rate of from 0.001 to 2 m/s in a flow path compartmentalized by a partition wall thr... | 05/26/2009 |
| 7504084 | High velocity, low pressure process for making silica gels and microgels This invention relates to a process for converting silica to polysilicate gels or hydrogels by combining an aqueous silica source with a CO2 feed stream as the gel initiator, whereby the reaction stream is propelled at high velocity and turbulence maintai... | 03/17/2009 |
| 7442357 | Manufacture of silica aerogel via vapor phase reaction A kinetically controlled vapor reaction process for synthesizing silica areogel in a reaction container by injection of a precursor reagent vapor, a catalyst reagent vapor, super saturated steam as a component of the catalyst solution, and a hydrophobic reagent vapo... | 10/28/2008 |
| 7442356 | Process for producing inorganic spheres To provide a process for producing inorganic spheres having a substantially uniform particle size with high productivity. In a process for producing inorganic spheres, which comprises a step of injecting an alkaline aqueous liquid containing an inorganic compound in... | 10/28/2008 |
| 7427387 | High-purity quartz powder, process for producing the same, and glass molding Subjects for the invention are to obtain a quartz powder having a high purity and high quality and a process for producing the same and to obtain a glass molding formed by melting and molding the powder and extremely reduced in bubble inclusion. The invention... | 09/23/2008 |
| 7402293 | Surface-modified, aerogel-type structured silica A surface-modified, aerogel-type, structured silica is produced by spraying an aerogel-type, structured silica with a silanizing agent, post-mixing and conditioning. It can be used as a flatting agent. ... | 07/22/2008 |
| 7377965 | Air filtration media comprising metal-doped silicon-based gel materials The present invention relates generally to an environmental control unit for use in air handling systems that provides highly effective filtration of noxious gases (such as ammonia). Such a filtration system utilizes novel metal-doped silica-based gels to trap and r... | 05/27/2008 |
| 7358316 | Process for preparing organic silicate polymer The present invention relates to a low dielectric material essential for a next generation electric device such as a semiconductor device, with a high density and high performance. In detail, the present invention provides: a process for preparing an organic silicat... | 04/15/2008 |
| RE40140 | Polymerization catalyst used for producing polyolefins that have excellent combined properties The invention relates to a process for preparing a catalyst for the polymerization of olefins, which comprises: a) preparation of a finely divided silica xerogel, b) loading of the xerogel with chromium from a solu... | 03/04/2008 |
| 7338982 | Functionalized mesoporous silicate structures, and related processes A mesoporous material is described. It includes a network of interconnected pores within an L3 phase structure. The pores include pore walls of a silicate material functionalized with at least one metal cation—usually a transition metal. Articles which include the... | 03/04/2008 |
| 7335470 | Compilations of nucleic acids and arrays and methods of using them In one aspect the invention provides compilations of nucleic acids, articles of manufacture, e.g., arrays, and methods for the detection of chromosomal abnormalities, such as a chromosomal aneuploidies, deletions, amplifications, and the like, and the diagnosis or p... | 02/26/2008 |
| 7326422 | Dissolvable oxides for biological applications Controllably dissolvable silica-xerogels prepared via sol-gel process and their use. A delivery device including controllably dissolvable silica-xerogel into which structure a biologically active agent is incorporated. Pharmaceutical preparations including this devi... | 02/05/2008 |
| 7323039 | Method for preparing microsphere It is to provide an improved method for preparation of microsphere from an emulsion wherein an organic phase containing an organic solvent having a boiling point lower than that of water and a hardly-water-soluble polymer is emulsified in an aqueous phase by an in-w... | 01/29/2008 |
| 7306788 | High-cleaning/moderate abrasive silica materials and dentifrice containing such materials Unique abrasive and/or thickening materials that are in situ generated compositions of precipitated silicas and silica gels are provided. Such compositions exhibit different beneficial characteristics depending on the structure of the composite in situ generated mat... | 12/11/2007 |
| 7303742 | Viscosity-modifying silica materials that exhibit low cleaning and abrasive levels and dentifrices thereof Unique abrasive and/or thickening materials that are in situ generated compositions of precipitated silicas and silica gels are provided. Such compositions exhibit different beneficial characteristics depending on the structure of the composite in situ generated mat... | 12/04/2007 |
| 7303654 | Cellulosic product and process for its production The present invention relates to a process for the production of a cellulosic product which comprises (i) providing an aqueous cellulosic suspension; (ii) adding to the suspension a clay having 3R2 stacking; and (iii) dewatering the obtained suspension. T... | 12/04/2007 |
| 7303624 | Structurally coated silica A structurally coated silica can be prepared by spraying and mixing a pyrogenic silica with water and a coating agent in a suitable mixing vessel, then milling and then conditioning the product. The structurally coated silica can be used as a matting agent in... | 12/04/2007 |
| 7297718 | Method of producing substantially spherical lyogels in water insoluble silylating agents A method of producing substantially spherical lyogels in water insoluble silylating agents is provided. The present invention refers to a method of producing substantially spherical lyogels in which a) a lyosol is provided, b) the lyosol obtained in step a) is trans... | 11/20/2007 |
| 7285330 | Texture-coated silica Texture-coated silica can be prepared by spraying a fumed silica with water and a coating agent, for example a thermoplastic elastomer, while mixing in a suitable mixing vessel, then milling and subsequently drying the mixture. The texture-coated silica can b... | 10/23/2007 |
| 7265167 | Epoxy resin composition for semiconductor encapsulation, and semiconductor device using the same An epoxy resin composition for semiconductor encapsulation capable of giving semiconductor devices of high reliability that do not cause short circuits even in pitch reduction in the interconnection electrode distance or the conductor wire distance therein as well a... | 09/04/2007 |
| 7265158 | Non-metal aerogel materials and detectors, liquid and gas absorbing objects, and optical devices comprising same New aerogels are disclosed which comprise silica and at least one organic polymer having polar functional groups. Also disclosed are methods for making such aerogels and for making them as substantially transparent objects. In addition, gas detectors, liquid and gas... | 09/04/2007 |
| 7265098 | Polyacid/polyalkylene oxide gels and methods for their delivery The present invention relates to improved methods for delivering bioadhesive, bioresorbable, anti-adhesion compositions. Antiadhesion compositions can be made of intermacromolecular complexes of carboxyl-containing polysaccharides, polyethers, polyacids, polyalkylen... | 09/04/2007 |
| 7258706 | Abrasive particles for surface polishing Polishing compositions are described that are appropriate for fine polishing to very low tolerances. The polishing compositions include particles with small diameters with very narrow distributions in size and effectively no particles with diameters several times la... | 08/21/2007 |
| 7229655 | Composition of, and process for using, silica xerogel for beer stabilization A silica xerogel, a process for making it, and a process for using it to reduce chill haze in beer includes incorporation in the xerogel of one or more alkali metals, optionally in combination with one or more alkaline earth metals. The pH of the xerogel is between ... | 06/12/2007 |
| 7223473 | Porous inorganic/organic hybrid particles for chromatographic separations and process for their preparation Novel material for chromatographic separations, processes for its preparation, and separations devices containing the chromatographic material. In particular, the disclosure describes porous inorganic/organic hybrid particles having a chromatographically-enhancing p... | 05/29/2007 |
| 7220449 | High-whiteness hydrophobic precipitated silica with ultralow moisture absorption The invention relates to hydrophobicized precipitated silicas that possess an extremely high whiteness and extremely low moisture absorption. The hydrophobic precipitated silicas are prepared, inter alia, by coating with silicone oil and oxidative heat treatment. | 05/22/2007 |
| 7217405 | Method for producing post-treated carbon black The invention concerns a method for producing post-treated carbon black, where the carbon black is fluidized in the fluidized bed while adding fluidizing agents and brought into contact with a post-treatment agent. ... | 05/15/2007 |
| 7211605 | Super-hydrophobic fluorine containing aerogels An aerogel material with surfaces containing fluorine atoms which exhibits exceptional hydrophobicity, or the ability to repel liquid water. Hydrophobic aerogels are efficient absorbers of solvents from water. Solvents miscible with water are separated from it becau... | 05/01/2007 |
| 7211539 | Silica gel compositions containing alkali metals and alkali metal alloys The invention relates to Group 1 metal/silica gel compositions comprising silica gel and an alkali metal or an alkali metal alloy. The compositions of the inventions are described as Stage 0, I, II, and III materials. These materials differ in their preparation and ... | 05/01/2007 |
| 7192984 | Compositions of polyacids and polyethers and methods for their use as dermal fillers The present invention relates to improved methods for filling the skin for cosmetic or medical purposes. Compositions comprising carboxymethyl cellulose (CMC), polyethylene oxide (PEO) and calcium ions can be made and have physical properties that depend on the amou... | 03/20/2007 |
| 7192461 | High concentration silica slurry A high concentration silica slurry can be used for polishing of substrates, such as semiconductor materials. The slurry contains a silica powder dispersed in an solvent. The silica slurry has a silica concentration of more than 50% by weight and a viscosity of less ... | 03/20/2007 |
| 7189409 | Bone grafting material, method and implant A bone grafting material, a method of producing the same, and an implant. The bone grafting material comprises a porous carrier of ceramic or glass ceramic or glass material and at least one pyrrolidone arranged in the carrier. ... | 03/13/2007 |
| 7175913 | Porous hybrid particles with organic groups removed from the surface A material for chromatographic separations, processes for its preparation, and separation devices containing the chromatographic material. In particular, porous inorganic/organic hybrid materials are provided with a decreased concentration of surface organic groups.... | 02/13/2007 |
| 7172747 | Metal oxide nanotube and process for production thereof Spiral shaped fibers were utilized to prepare completely novel metal oxide nanotubes comprising solely metal oxides. The metal oxide nanotubes comprise solely a hollow cylinder shaped metal oxide which may contain hydroxyl groups constituting a double helix and havi... | 02/06/2007 |
| 7169261 | Silica-based sols An aqueous sol containing silica-based particles which has an S-value within the range of from 10 to 45%, a viscosity within the range of from 5 to 40 cP, and a molar ratio of SiO2 to M2O, where M is alkali metal or ammonium, within the range o... | 01/30/2007 |
| 7163358 | Injection grouting The invention relates to the use of a composition for injection grouting obtainable by mixing an alkali metal silicate or an organic silicate, colloidal silica particles, and at least one gelling agent, wherein the weight ratio of colloidal silica to silicate is fro... | 01/16/2007 |
| 7156955 | Papermaking process using a specified NSF to silica-based particle ratio The present invention refers to a process for the production of paper from a suspension containing cellulosic fibers, and optionally fillers, comprising adding to the suspension at least one cationic organic polymer and an aqueous silica-containing composition compr... | 01/02/2007 |
| 7140201 | Method for producing silica particles A hydrous silica gel is dehydrated by freezing, thawing, and removing water separated by thawing, thereby yielding silica particles. In addition, the silica particles thus formed is washed and fired, thereby producing a synthetic quartz glass power. A water g... | 11/28/2006 |
| 7125432 | Method for making precipitated silica or silicate compositions and products thereof New methods of producing narrower particle size distribution precipitated silica and/or silicate materials are provided. Such a method permits a significant reduction in manufacturing costs through the utilization of more efficient drying/evaporation components, in ... | 10/24/2006 |