Silicon Dioxide Containing Patents (Class 106/287.34)
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Publication number: 20120256336Abstract: The present invention relates to a method for producing mesoporous silica particles including a silica-containing outer shell portion with a mesoporous structure. The method includes the steps of: (I) pressurizing a mixed solution containing a hydrophobic organic compound, a surfactant, and an aqueous solvent by a high-pressure emulsification method so as to form an emulsion that includes emulsion droplets containing the hydrophobic organic compound; (II) adding a silica source to the emulsion so as to form a silica-containing outer shell portion with a mesoporous structure on a surface of the emulsion droplets, and precipitating composite silica particles including the outer shell portion and the emulsion droplets on an inner side relative to the outer shell portion; and (III) removing the emulsion droplets from the composite silica particles.Type: ApplicationFiled: December 14, 2010Publication date: October 11, 2012Applicant: Kao CorporationInventors: Toshihiro Yano, Masaki Komatsu, Hiroji Hosokawa, Jun Yoshida
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Patent number: 8283277Abstract: The present invention relates to a coating material comprising (A) at least one binder as component (A) and (B) at least one photocatalytically active particle comprising a core composed of at least one first substance having a diameter of 0.1 to 1 ?m and at least one envelope at least partly surrounding the core and composed of at least one second substance having an average layer thickness of 0.1 to 10 nm as component (B).Type: GrantFiled: August 27, 2008Date of Patent: October 9, 2012Assignee: BASF SEInventors: Alexandra Seeber, Götz-Peter Schindler, Katrin Freitag, Ekkehard Jahns, Antonino Raffaele Addamo, Frank Kleine Jäger, Dirk Klingler
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Patent number: 8263512Abstract: A porous ceramic (honeycomb) structure skin coating and a method of producing a porous ceramic structure skin coating which provides a hardshell, strong, acid- and alkali-resistant, chip-resistant ceramic honeycomb structure coating which resists pollution control catalyst from being absorbed into the skin coating.Type: GrantFiled: December 8, 2009Date of Patent: September 11, 2012Assignee: Unifrax I LLCInventors: Joseph A. Fernando, Kenneth B. Miller
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Publication number: 20120216719Abstract: Disclosed herein are architectural coating compositions comprising spheroid shaped silica or silicate. The compositions exhibit a number of improved properties and are useful on a variety of substrates.Type: ApplicationFiled: February 16, 2012Publication date: August 30, 2012Inventors: William J. Hagar, Ronald L. Romer, William C. Fultz, Karl W. Gallis
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Patent number: 8241416Abstract: To provide an inorganic waterborne coating agent and its aqueous solution: wherein, with the surface of the base material highly-hydrophilizated, the contaminant such as oil-based contaminant and inorganic dust adhered onto the surface of the base material can be removed easily with water, and at the same time, the antistatic effect can be achieved due to its dust-repelling property; which can be applied by anyone (non-skilled) with ease without considering the base material being organic or inorganic, compared with conventional coating agents, such as photocatalyst and polysilazane-based glass coating agent that have limited range of use; and which has little limit in conditions of use, and is inexpensive and applicable to any places, thereby securing the original goal of antifouling property. To provide an inorganic waterborne coating agent comprising: alkaline colloidal silica, a sodium phosphate compound and a potassium phosphate mixture, and boric acid.Type: GrantFiled: June 18, 2008Date of Patent: August 14, 2012Assignee: Trade Service CorporationInventor: Katsumi Kishimoto
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Patent number: 8241417Abstract: A nanocomposite coating and a method of coating for protecting a product with the nanocomposite coating are presented. Firstly, the nanocomposite coating is prepared, wherein the nanocomposite coating is formed by mixing 22.5˜49.5% nanometer inorganic oxide gel made by a sol-gel method, 45˜74.25% organic solvent and 1˜10% nanometer powder together. Next, the nanocomposite coating is coated onto surfaces of the product evenly by way of spraying, dipping or roll-to-rolling. Lastly, the product coated with the nanocomposite coating is subjected to a room temperature or a heating environment lower than 170 degrees centigrade to make the nanocomposite coating dry for forming nanometer protective films on the surfaces of the product.Type: GrantFiled: November 21, 2008Date of Patent: August 14, 2012Assignee: Cheng Uei Precision Industry Co., Ltd.Inventor: Chih-Hao Huang
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Publication number: 20120202065Abstract: This invention pertains to a mesoporous amorphous oxide of titanium and processes of making a mesoporous amorphous oxide of titanium.Type: ApplicationFiled: April 17, 2012Publication date: August 9, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventor: CARMINE TORARDI
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Publication number: 20120187342Abstract: The instant invention relates to a process for the preparation of an aqueous suspension of anionic colloidal silica having a neutral pH which is stable over time and comprises individualized particles of colloidal silica which are not bound to one another by siloxane bonds. The instant suspensions show high storage stability and are particularly useful for the clarification of beer, for the preparation of cosmetic formulations, for the production of ink for printers, for paints and for anticorrosive treatments.Type: ApplicationFiled: March 6, 2012Publication date: July 26, 2012Applicant: AZ ELECTRONIC MATERIALS USA CORP.Inventors: Eric JACQUINOT, Marie-Laure PERARD, Uwe FALK, Torsten HENNING
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Patent number: 8222302Abstract: A TiO2—SiO2 aerogel and TiO2—SiO2 aerogel monolith with a regular and predeterminable shape and an ordered mesoporosity and a method of making the aerogel and aerogel monolith, using surfactants in preparing the SiO2 sol before mixing with TiO2 sol. The aerogel obtained by this method has a specific surface area greater than 400 m2/g and a pore volume larger than 0.5 cc/g.Type: GrantFiled: November 29, 2005Date of Patent: July 17, 2012Assignee: The Hong Kong University of Science and TechnologyInventors: King Lun Yeung, Nan Yao, Shengli Cao
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Publication number: 20120171419Abstract: Methods, treatment compositions and treatment systems for forming a detachable and renewable coating on a receptive surface by a process of applying a treatment composition comprising a plurality of hydrophobically modified fumed silica particles colloidally dispersed in a volatile solvent; allowing the volatile solvent to evaporate; and thereby depositing a protective coating on the receptive surface consisting of a layer of the hydrophobically modified particles. The process provides a coating with dirt- and water-repellency properties that effectively shed dry particulate soils as well as water from the treated receptive surface. The methods, treatment compositions and treatment systems are useful in providing detachable coatings and treated articles featuring surface protective benefits including dirt- and water-repellency, self-cleaning with water, and easier cleaning benefits when applied to a variety of automotive and home surfaces, both interior and exterior.Type: ApplicationFiled: January 4, 2012Publication date: July 5, 2012Inventors: Jodi Lynn Russell, Felix Müller, Danielle Coutts, Ashot K. Serobian, Patrick Winter, Nicholas Pivonka
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Patent number: 8211993Abstract: A method of manufacturing an inorganic substrate coated with a thin silica type glass layer of 2H to 9H pencil hardness, said method comprising the steps of: coating an inorganic substrate with a cyclic dihydrogenpolysiloxane and/or a hydrogenpolysiloxane represented by a specific unit formula, and curing it; an inorganic substrate coated with a thin silica type glass layer; a coating agent for an inorganic substrate that is composed of a cyclic dihydrogenpolysiloxane and/or a hydrogenpolysiloxane represented by a specific unit formula; and a semiconductor device having an inorganic substrate coated with a thin silica type glass layer.Type: GrantFiled: October 23, 2006Date of Patent: July 3, 2012Assignees: Dow Corning Toray Company, Ltd., Dow Corning CorporationInventors: Yukinari Harimoto, Maki Itoh, Dimitris Elias Katsoulis
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Publication number: 20120111231Abstract: A method of producing hollow silica microparticles that suppress whitening of a transparent coating film and show excellent abrasion resistance and adhesiveness. The method includes preparation of an organosol in which hollow silica microparticles are dispersed with the silica concentration of 1 to 70 W % and addition of a silane compound and an alkali catalyst to the organosol at a temperature in the range from 30° C. to 300° C. to react the silane compound to the hollow silica microparticles under the condition where a quantity of water against the added silica (the hollow silica microparticles) is in the range from 0.1 to 50 W %.Type: ApplicationFiled: January 18, 2012Publication date: May 10, 2012Applicant: CATALYSTS & CHEMICALS INDUSTRIES CO., LTD.Inventors: Ryota SUEYOSHI, Ryo MARUGUCHI, Masayuki MATSUDA, Mitsuaki KUMAZAWA, Toshiharu HIRAI
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Publication number: 20120107581Abstract: A composition for producing an optically clear, well bonded superhydrophobic coating includes a plurality of hydrophobic particles comprising an average particle size of about 200 nm or less, a binder at a binder concentration of from about 0.1 wt. % to about 0.5 wt. %, and a solvent. The hydrophobic particles may be present in the composition at a particle concentration of from about 0.1 wt. % to about 1 wt. %. An optically transparent, superhydrophobic surface includes a substrate, a plurality of hydrophobic particles having an average particle size of about 200 nm or less dispersed over the substrate, and a discontinuous binder layer bonding the hydrophobic particles to the substrate, where the hydrophobic particles and the binder layer form an optically transparent, superhydrophobic coating.Type: ApplicationFiled: November 2, 2010Publication date: May 3, 2012Inventors: John T. Simpson, Linda A. Lewis
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Publication number: 20120064134Abstract: A light emitting composition including first color emitters and second color emitters. The first color emitters are configured to emit, upon exposure to an energy source, visible light at a target color in response to absorption of energy across a first band of wavelengths. The second color emitters are configured to emit, upon exposure to the energy source, visible light at the target color in response to absorption of energy across a second band of wavelengths. The light intensity observable at the target color is enhanced relative to reflected white light without emission from the first and second color emitters. The light emitting composition can be a part of a paint, an ink, a fabric, a thread, a road sign, a highway marking, an automobile, a boat, a plane, a reflector, a building product, a concrete product, an epoxy product, a jewelry product, colored contact lens, a candle product, a rubber product, a plastic product, or other colored surface.Type: ApplicationFiled: August 5, 2011Publication date: March 15, 2012Applicant: Immunolight, LLCInventors: Frederic J. Bourke, JR., Harold Walder
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Patent number: 8097690Abstract: Cyclic dihydrogenpolysiloxanes, hydrogenpolysiloxanes of specific siloxane unit formulas etc., a process for their production using hydrolysis/condensation, a process for the production of silica type glass moldings with an optical transmittance of 90% to 100% in the vacuum-UV region to UV region and an optical transmittance of 98% to 100% in the visible region to near infrared region by curing said cyclic dihydrogensiloxanes or said hydrogenpolysiloxanes in a mold, said silica type glass moldings, optical elements made up of the silica type glass, a process for the production of optical elements having such a silica type glass film layer by coating an optical element with the hydrogenpolysiloxanes and curing them, and optical elements having such a silica type glass film layer.Type: GrantFiled: August 4, 2006Date of Patent: January 17, 2012Assignee: Dow Corning Toray Company, Ltd.Inventors: Yukinari Harimoto, Nobuo Kushibiki, Maki Itoh, Dimitris Elias Katsoulis
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Patent number: 8092587Abstract: The invention relates to stabilized dispersions of precipitated silicon dioxide, to a process for production thereof and to the use thereof, especially for production of paper coatings for glossy photo paper for inkjet printing.Type: GrantFiled: January 21, 2011Date of Patent: January 10, 2012Assignee: Evonik Degussa GmbHInventors: Florian Zschunke, Burkhard Standke, Stefan Scharfe, Christoph Batz-Sohn, Heinz Lach, Andrea Heuschen, Juergen Behnisch, Markus Ruf, Guenter Stein, Tobias Banert
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Publication number: 20110297887Abstract: The present invention provides a process of preparing particulate products, the process comprising the steps of (i) printing a liquid precursor of a non-metal particulate onto or into a collecting substrate and (ii) recovering non-metal particulates.Type: ApplicationFiled: August 15, 2011Publication date: December 8, 2011Applicant: DUNWILCO (1198) LIMITEDInventor: Ian Robert Wheeler
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Publication number: 20110287247Abstract: An organic polymer-silicon compound composite particle comprising (a) a core composed of an organic polymer particle containing polyvinyl acetate as a principal component and (b) a shell containing a silicon compound, an average particle size of the organic polymer-silicon compound composite particle being 5 to 150 nm.Type: ApplicationFiled: December 22, 2009Publication date: November 24, 2011Applicant: DENKI KAGAKU KOGYO KABUSHIKI KAISHAInventors: Takashi Kawasaki, Motoharu Fukazawa, Shingo Hanazato, Kouji Miyata, Isao Sugimoto
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Patent number: 8038787Abstract: The present invention relates to coating formulations comprising surface-modified silicon dioxides. The coating formulations are useful in applications such as architectural paints for buildings, windows and doors.Type: GrantFiled: June 16, 2005Date of Patent: October 18, 2011Assignee: Evonik Degussa GmbHInventors: Hans-Dieter Christian, Reinhard Behl, Hans-Werner Köhler, Jürgen Meyer
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Patent number: 8038788Abstract: Coating systems characterized in that they contain 0.5% by weight to 30% by weight of a hydrophilic, structurally modified, optionally reground, fumed silica.Type: GrantFiled: November 20, 2008Date of Patent: October 18, 2011Assignee: Evonik Degussa GmbHInventors: Guenther Michael, Juergen Meyer
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Patent number: 8034740Abstract: A moisture- or protein-adsorbability imparting agent, comprising a porous silica having a hexagonal pore structure, an average pore size of from 0.8 to 20 nm, an average particle size of 50 nm to 100 ?m, a specific surface area of from 400 to 2000 m2/g, and a pore volume of from 0.1 to 3.0 cm3/g; a material having an adsorbability of moisture or a protein, comprising the moisture- or protein-adsorbability imparting agent; and use of the moisture- or protein-adsorbability imparting agent for imparting absorbability of moisture or a protein to a material selected from the group consisting of food wrapping materials; filtration aid agents; sanitary articles; compositions containing a synthetic resin; moisture-controlled material; covering materials for wounds; insulation substrates; coating materials for semiconductor devices; cosmetics; inkjet recording media; and compositions containing synthetic fibers.Type: GrantFiled: February 3, 2005Date of Patent: October 11, 2011Assignees: Taiyo Kagaku Co., Ltd., Kabushiki Kaisha Toyota Chuo KenkyushoInventors: Kouichi Kitahata, Masaaki Yanagi, Yuuki Kasama, Noriko Nomura, Kanae Teramoto, Hironobu Nanbu, Yoshiki Yamazaki, Mitsumasa Horii, Yoshiaki Fukushima
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Patent number: 8021720Abstract: A process for extending the cyclic service life of thermal barrier coatings made of yttrium-stabilized zirconium oxide (YSZ) or the like which have been applied to a substrate with an oxidizing bond coat in between includes increasing or long-term stabilizing the strain tolerance of the thermal barrier coating.Type: GrantFiled: January 16, 2008Date of Patent: September 20, 2011Assignee: Alstom Technology LtdInventors: Frigyes Szuecs, Alexander Stankowski
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Publication number: 20110195541Abstract: The composition for forming an n-type diffusion layer in accordance with the present invention contains a donor element-containing glass powder and a dispersion medium. An n-type diffusion layer and a photovoltaic cell having an n-type diffusion layer are prepared by applying the composition for forming an n-type diffusion layer, followed by a thermal diffusion treatment.Type: ApplicationFiled: January 25, 2011Publication date: August 11, 2011Inventors: YOUICHI MACHII, Masato Yoshida, Takeshi Nojiri, Kaoru Okaniwa, Mitsunori Iwamuro, Shuuichirou Adachi, Takuya Aoyagi
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Patent number: 7985292Abstract: A precipitated silica having a d50-value of from 150 to 2000 nm, a d90-value of from 500 to 7000 nm, a silanol group density of from 2.5 to 8 OH/nm2, and a modified tapped density of less than or equal to 70 g/l is useful for thickening and providing thixotropy in liquid systems and shows superior efficiency at thickening and creating thixotropy compared to existing grades of precipitated silica. The precipitated silica functions best as a thixotrope in non-polar or intermediate polar liquid systems such as unsaturated polyester (UPE) resin systems.Type: GrantFiled: November 26, 2007Date of Patent: July 26, 2011Assignee: Evonik Degussa CorporationInventors: Christian Panz, Karl Meier, James Toth, Guido Titz, Matt Romaine, Mario Scholz
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Patent number: 7968204Abstract: An optical article includes a transparent substrate and an abrasion-resistant layer appended to at least one surface of the substrate.Type: GrantFiled: July 13, 2009Date of Patent: June 28, 2011Assignee: Essilor International (Compagnie Generale d'Optique)Inventors: Michelle Kim Cheng Koh, Xiao Feng Luo, Zheng Wang
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Patent number: 7964538Abstract: A synthetic glass family in the quaternary phase field of CaO—SiO2-Al2O3-MgO (CSAM) with hydraulic and pozzolanic properties for use in differing applications in the gas and oil well cementing area. A method of making a mud-to-cement (MTC) slurry and a method for treating oil and gas wells with the MTC slurry containing a homogenous amorphous synthetic glass made from a mixture of inorganic materials selected from the group consisting of CSAM, wherein the cementing glasses with the mixture of inorganic materials are in a 100% amorphous phase with a degree of crystallization of zero.Type: GrantFiled: November 3, 2010Date of Patent: June 21, 2011Assignee: Intevep, S.A.Inventors: Yibran Perera, Virginia Buccellato, George Quercia, Aiskely Blanco
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Publication number: 20110144763Abstract: The present disclosure relates to a dynamic bioactive bone graft material having an engineered porosity. In one embodiment, a bone graft material is provided having bioactive glass fibers arranged in a porous matrix that is moldable into a desired shape for implantation. The material can be substantially without additives and can include at least one nanofiber. The porous matrix may include a combination of one or more pore sizes including nanopores, macropores, mesopores, and micropores. In another embodiment, a bone graft implant is provided having a matrix comprising a plurality of overlapping and interlocking bioactive glass fibers, and having a distributed porosity based on a range of pores provided in the bioactive glass fibers. The distributed porosity can comprise a combination of macropores, mesopores, and micropores, and the matrix can be formable into a desired shape for implantation into a patient.Type: ApplicationFiled: October 28, 2010Publication date: June 16, 2011Applicant: PROSIDYAN INC.Inventors: CHARANPREET S. BAGGA, HYUN W. BAE, THOMAS E. DAY
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Publication number: 20110139035Abstract: Method for the production of aqueous dispersions of hydrophobic silicic acids wherein the hydrophobic silicic acids are dispersed in an aqueous phase at a pH-value of 0 to 6 and in a subsequent step, the pH-value of the silicic acid dispersion is adjusted to a pH-value of 7-12 through the addition of a base.Type: ApplicationFiled: August 13, 2009Publication date: June 16, 2011Applicant: Wacker Chemie AGInventor: Torsten Gottschalk-Gaudig
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Publication number: 20110136919Abstract: The present invention relates to novel precipitated silicic acids for use as support materials, manufacture thereof and use thereof.Type: ApplicationFiled: July 22, 2009Publication date: June 9, 2011Inventors: Frank Heindl, Claus-Peter Drexel, Frank Haselhuhn
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Publication number: 20110111216Abstract: The present invention relates to the addition of biocidal agents to colloidal silicate coating compositions, said compositions being useful for coating structures prepared from Portland cement compositions.Type: ApplicationFiled: January 18, 2011Publication date: May 12, 2011Inventor: Robert B. Bowers
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Publication number: 20110094418Abstract: The present invention relates to a dispersion of porous surface modified silica particles including fluid and the porous particles, wherein the maximum fractional occupied volume (?max) of the particles in the dispersion is at least about 0.55 as determined from the relationship (I) wherein ? is the fractional occupied volume of the solids in the fluid, ?max is the asymptotic limit (maximum) of fractional occupied volume as the viscosity approaches infinity, b is the intrinsic viscosity, no is the viscosity of the fluid and n is the viscosity of the dispersion.Type: ApplicationFiled: June 15, 2005Publication date: April 28, 2011Inventor: David Monroe Chapman
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Publication number: 20110094417Abstract: Coating compositions of the present invention comprise hydrophobic particles, an alcohol, a solvent, and an effective amount of water such that coatings formed therefrom are hydrophobic. The hydrophobic particles may comprise a metal oxide, such as silica (SiO2), alumina (Al2O3), titania (TiO2), or zinc oxide (ZnO), or combinations thereof. In one embodiment, the hydrophobic particles comprise fumed silica. The amount of hydrophobic particles is in the range of from about 0.3 wt. % to about 2 wt. %. In one embodiment, the effective amount of water is at least about 0.066 wt. %. The ratio of the amount of the solvent to the amount of the alcohol is slightly less than 100, and, in another embodiment, is at least about 50 to 50. A surface treated with the composition is characterized by a water contact angle of 115° or more, and more particularly 135° or more.Type: ApplicationFiled: October 26, 2009Publication date: April 28, 2011Applicant: ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLCInventors: Richard J. Baumgart, Subbareddy Kanagasabapathy
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Patent number: 7918933Abstract: Dispersion comprising water and mixed potassium silicon oxide powder, where—the mixed oxide powder is in the form of aggregates of primary particles, has a BET surface area of 100 to 400 m2/g, has an average aggregate diameter in the dispersion of less than 100 nm, and possesses a potassium fraction of 0.05% to 1.5% by weight, calculated as K2O and based on the mixed oxide powder, and—the dispersion has a fraction of mixed oxide powder in the dispersion of 25% to 40% by weight, the sum of water and mixed oxide powder is at least 98% by weight and the pH is 9 to 11.5.Type: GrantFiled: August 28, 2007Date of Patent: April 5, 2011Assignee: Evonik Degussa GmbHInventors: Wolfgang Lortz, Gabriele Perlet, Werner Will, Kai Schumacher
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Patent number: 7909929Abstract: The invention provides dispersoids having metal-oxygen groups which are suitable for the production of metal oxide thin-films at a low temperature of 200° C. or below and for the production of homogeneous organic-inorganic hybrid materials. The invention also provides metal oxide thin-films and organic-inorganic hybrid materials endowed with various capabilities, particularly organic-inorganic hybrid materials having a high refractive index and high transparency. Use is made of a dispersoid having metal-oxygen bonds which is obtained by mixing a metal compound having at least three hydrolyzable groups with at least 0.5 mole but less than 2 moles of water per mole of the metal compound in an organic solvent, in the absence of an acid, a base and/or a dispersion stabilizer, and at a temperature at or below the temperature at which the metal compound begins to hydrolyze, then raising the temperature to at least the temperature at which hydrolysis begins.Type: GrantFiled: November 12, 2003Date of Patent: March 22, 2011Assignee: Nippon Soda Co., Ltd.Inventors: Nobuo Kimura, Yoshitaka Fujita, Norifumi Nakamoto, Motoyuki Toki, Akiji Higuchi, Kazuo Ono, Tomoya Hidaka, Hiroyuki Takeda
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Patent number: 7901502Abstract: Aqueous dispersions contain at least two chemically different particle types having a diameter on average of less than 100 ?m. The dispersions are resistant to sedimentation and gelling for long periods of time, and can be used for many purposes, such as the polishing of optical surfaces, and in paints and adhesives.Type: GrantFiled: December 14, 2004Date of Patent: March 8, 2011Assignee: Wacker Chemie AGInventors: Herbert Barthel, Johann Doppelberger, Mario Heinemann, Torsten Gottschalk-Gaudig, Stephan Loskot, Ute Voelkel
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Publication number: 20110054096Abstract: Methods, treatment compositions and treatment systems are disclosed for forming a detachable and renewable coating on a receptive surface by a process of applying a treatment composition comprising a plurality of hydrophobically modified fumed silica particles colloidally dispersed in a volatile solvent; allowing the volatile solvent to evaporate; and thereby depositing a protective coating on the receptive surface consisting of a layer of the hydrophobically modified particles, which provide a substantially transparent coating with dirt- and water-repellency properties that effectively shed dry particulate soils as well as water from the treated surface or treated article bearing a receptive surface.Type: ApplicationFiled: November 8, 2010Publication date: March 3, 2011Inventors: Jodi Lynn Russell, Felix Müller, Danielle Coutts, Ashot K. Serobian, Patrick Winter, Nicholas Pivonka
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Patent number: 7871588Abstract: Precipitated silica or silicates, obtainable by acid precipitation of aqueous silicate solutions while maintaining a constant alkali number of at least 1.Type: GrantFiled: February 22, 2002Date of Patent: January 18, 2011Assignee: Evonik Degussa GmbHInventors: Gottlieb-Georg Lindner, Robert Kuhlmann, Claus-Peter Drexel
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Patent number: 7863215Abstract: Disclosed is a photocatalyst comprising a photocatalytically active base, and a silicon oxide film covering the base and substantially having no pores. The alkali metal content of the photocatalyst is not less than 1 ppm but not more than 1,000 ppm. Also disclosed is a method for producing such a photocatalyst wherein when a photocatalytically active base present in an aqueous medium is coated with a silicon oxide film by using a silicate, the pH of the aqueous medium containing both the photocatalytically active base and the silicate is maintained at 5 or below.Type: GrantFiled: February 14, 2006Date of Patent: January 4, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Satoru Miyazoe, Takashi Nabeta, Nobuhiko Horiuchi
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Patent number: 7854795Abstract: The present invention relates to a non-adhesive coating composition, including: 100 parts by weight of colloidal silica sol; 5˜60 parts by weight of hexagonal boron nitride (hBN) serving as a filler; 60˜120 parts by weight of alkoxysilane; 40˜130 parts by weight of alcohol; and 0.5˜3.0 parts by weight of a catalyst.Type: GrantFiled: July 22, 2009Date of Patent: December 21, 2010Inventor: Tae Woong Kim
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Patent number: 7855170Abstract: A synthetic glass family in the quaternary phase field of CaO—SiO2-Al2O3-MgO (CSAM) with hydraulic and pozzolanic properties for use in differing applications in the gas and oil well cementing area. A method of making a mud-to-cement (MTC) slurry and a method for treating oil and gas wells with the MTC slurry containing a homogenous amorphous synthetic glass made from a mixture of inorganic materials selected from the group consisting of CSAM, wherein the cementing glasses with the mixture of inorganic materials are in a 100% amorphous phase with a degree of crystallization of zero.Type: GrantFiled: May 20, 2008Date of Patent: December 21, 2010Assignee: INTEVEP, S.A.Inventors: Yibran Perera, Virginia Buccellato, George Quercia, Aiskely Blanco
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Patent number: 7842339Abstract: In the method of making an adherent and wipe-resistant porous SiO2-containing antireflection coating on a borosilicate glass body a coating solution containing from 1.0 to 6.0 wt. % of HCl, from 0.5 to 7.0 wt. % of a SiO2 sol based on solids content, from 0.5 to 5.0 wt. % of water, and from 85 to 98 wt. % of at least one volatile water-soluble organic solvent, is used to form an antireflection coating on the glass body. A glass body, on which the foregoing coating can be provided with good adherence and wipe resistance properties, is made of borosilicate glass having a composition, in percent by weight based on oxide content, of SiO2, 70 to 75; B2O3, 8 to 11; Al2O3, 5 to 9; alkali metal oxides, 7 to 12; and alkaline earth metal oxides, 0 to 10.Type: GrantFiled: August 30, 2007Date of Patent: November 30, 2010Assignee: Schott AGInventors: Denise Trapp, Stephan Tratzky
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Patent number: 7842129Abstract: A coating formulation containing at least one surface-modified silicon dioxide having a 60° reflectometer value of <3 and a black number My of at least 140 has excellent performance properties, for example, a very good transparency.Type: GrantFiled: June 13, 2005Date of Patent: November 30, 2010Assignee: Evonik Degussa GmbHInventors: Hans-Dieter Christian, Reinhard Behl, Hans-Werner Köhler, Uwe Schmeier, Jürgen Meyer
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Publication number: 20100294168Abstract: An inorganic oxide coating produced by preparing a coating composition comprising inorganic oxide particles and a polymer, applying the composition on a substrate to form a coating, and heating the substrate to remove the polymeric component, wherein the resulting coating is transparent.Type: ApplicationFiled: March 22, 2007Publication date: November 25, 2010Applicant: W. R. GRACE & CO.-CONN.Inventors: Qi Sun, Daniel Ray Fruge, Demetrius Michos
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Publication number: 20100288164Abstract: Highly efficient matting agents based on precipitated silicas and wax-coated precipitated silicas, their preparation, and their use in inks and paints.Type: ApplicationFiled: July 8, 2010Publication date: November 18, 2010Applicant: DEGUSSA AGInventors: Juergen SCHUBERT, Robert Kuhlmann, Hans Dieter Christian
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Publication number: 20100227147Abstract: A transparent porous SiO2-coating for a transparent substrate material has improved optical properties. These properties can be obtained, in particular, by plasma treatment.Type: ApplicationFiled: August 12, 2008Publication date: September 9, 2010Applicant: Siemens AktiengesellschaftInventor: Florian Eder
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Patent number: 7741376Abstract: A dispersed ingredient having metal-oxygen bonds which is obtained by hydrolyzing a metal alkoxide in an organic solvent in the absence of an acid, a base, and/or a dispersion stabilizer, either with 0.5 to less than 1 mol of water per mol of the metal alkoxide or at ?20° C. or lower with 1.0 to less than 2.0 mol of water per mol of the metal alkoxide. In the organic solvent, the dispersed ingredient is stably dispersed without aggregating. Use of the dispersed ingredient enables a thin metal oxide film and a homogeneous organic/inorganic composite to be produced at a temperature as low as 200° C. or below.Type: GrantFiled: December 11, 2008Date of Patent: June 22, 2010Assignee: Nippon Soda Co., Ltd.Inventors: Motoyuki Toki, Akiji Higuchi, Nobuo Kimura, Yoshitaka Fujita
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Publication number: 20100129631Abstract: One embodiment of the present invention discloses a coating for overhead trolley wire insulators, particularly in the area of rail electrification and energy transmission, which can be produced easily and inexpensively. For this purpose, particles and micro powders, hydrophobic particles in particular, are incorporated into the protective laquer.Type: ApplicationFiled: May 2, 2008Publication date: May 27, 2010Inventors: Anett Berndt, Rudolf Gensler, Heinrich Kapitza, Sonja Leistner, Axel Schmieder, Heinrich Zeininger
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Publication number: 20100129645Abstract: A method for producing a hydrophobic coating for condensers to obtain a dropwise condensation, a hydrophobic coating for condensers, a hydrophobically-coated condenser, and a coating agent are provided. A coating agent is applied to a condenser. The coating agent includes a liquid solvent and a coating material. The coating material may be applied by a wet-chemical method.Type: ApplicationFiled: March 28, 2008Publication date: May 27, 2010Inventors: Rudolf Gensler, Arne Grassmann, Manfred Waidhas
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Publication number: 20100129555Abstract: A nanocomposite coating and a method of coating for protecting a product with the nanocomposite coating are presented. Firstly, the nanocomposite coating is prepared, wherein the nanocomposite coating is formed by mixing 22.5˜49.5% nanometer inorganic oxide gel made by a sol-gel method, 45˜74.25% organic solvent and 1˜10% nanometer powder together. Next, the nanocomposite coating is coated onto surfaces of the product evenly by way of spraying, dipping or roll-to-rolling. Lastly, the product coated with the nanocomposite coating is subjected to a room temperature or a heating environment lower than 170 degrees centigrade to make the nanocomposite coating dry for forming nanometer protective films on the surfaces of the product.Type: ApplicationFiled: November 21, 2008Publication date: May 27, 2010Applicant: CHENG UEI PRECISION INDUSTRY CO., LTD.Inventor: Chih-Hao Huang
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Publication number: 20100107930Abstract: Dispersion comprising water and mixed potassium silicon oxide powder, where—the mixed oxide powder is in the form of aggregates of primary particles, has a BET surface area of 100 to 400 m2/g, has an average aggregate diameter in the dispersion of less than 100 nm, and possesses a potassium fraction of 0.05% to 1.5% by weight, calculated as K2O and based on the mixed oxide powder, and—the dispersion has a fraction of mixed oxide powder in the dispersion of 25% to 40% by weight, the sum of water and mixed oxide powder is at least 98% by weight and the pH is 9 to 11.5.Type: ApplicationFiled: August 28, 2007Publication date: May 6, 2010Applicant: EVONIK DEGUSSA GMBHInventors: Wolfgang Lortz, Gabriele Perlet, Werner Will, Kai Schumacher