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| Number | Title | Issue Date |
| 8152916 | Fumed silanized and ground silica The invention relates to a hydrophobic fumed silica which is obtained by grinding a fumed silica which, as a result of silanization, has octylsilyl groups fixed on the surface, to a process for preparing it, and to coating formulations comprising this silica. ... | 04/10/2012 |
| 8034173 | Processing compositions and method of forming the same A method for processing compositions, compositions obtained by such a process and methods of use are disclosed for forming a detachable and renewable protective coating which is substantially transparent. The inventive process compositions are produced by making a h... | 10/11/2011 |
| 7981211 | Surface-modified silicas Surface-modified, fumed silica having the data: BET surface area, m2/g: 25-400; Average primary particle size, nm: 5-50; pH: 3-10; Carbon content, % by weight: 0.1-10; Potassium content (calculated as potassium oxide), % by weight: 0.000001-40; is prepare... | 07/19/2011 |
| 7972431 | Surface-modified silicas Surface-modified silicas Surface-modified, highly structured, potassium oxide-doped silicas, characterized by BET surface area, m2/g: 25-400 average primary particle size, nm: 5-50 pH: 3-10 carbon content, % by weight: 0.1-10 potassium oxide content, % by... | 07/05/2011 |
| 7938902 | Cationically stabilized aqueous silica dispersion, method for its production and its use Cationically stablished aqueous silica dispersion, method for its production and its use. A method is described for the production of cationically stabilised silica in which silica is cationically stabilised in the form of an aqueous dispersion or a powder by mixing... | 05/10/2011 |
| 7722714 | Fumed silica dispersion Dispersion of fumed silica comprising a silanized, structurally modified silica and a solvent. It is used for producing coating materials. ... | 05/25/2010 |
| 7393407 | Silicon oxide slurry and method for producing such slurry The present invention relates to a slurry containing water, amorphous silica panicles having a particle size less than 1 micron and silica flour with a particle size between 2-200 microns. In order to stablize the slurry, the slurry contains a polysaccharide. The in... | 07/01/2008 |
| 7312271 | Solution masterbatch process using fine particle silica for low hysteresis rubber Methods are provided for making a solution masterbatch containing a diene elastomer in an organic solvent and a reinforcing silica filler dispersed therein, comprising the steps of (a) mixing a precipitated silica having an average particle size substantially equiva... | 12/25/2007 |
| 7300510 | Goniochromatic bright pigments Goniochromatic luster pigments comprising at least one dielectric low-refractive interference-colored layer which includes a polar organic solvent which can interact with the layer material via functional groups. ... | 11/27/2007 |
| 7253224 | Silica-based particulates A silica-based particulate material that may contain less than 5 wt. % of a multivalent cation and a method of preparing such a silica-based particulate material. The silica-based particulate material may be characterized as having a median particle size of at least... | 08/07/2007 |
| 7238387 | Hydrophobic inorganic fine particles, hydrophobic inorganic fine particles production process, and toner Hydrophobic inorganic fine particles characterized by being a mixture of at least small-particle-diameter inorganic fine particles having an average primary particle diameter of 5 to 25 nm and having a maximum peak particle diameter of 20 nm or less and large-partic... | 07/03/2007 |
| 7226499 | Cellulose acylate film, cellulose acylate film with functional thin film, and method for preparation thereof The present invention relates to a cellulose acylate film having a high modulus of elasticity and a high surface hardness. The cellulose acylate film of the present invention is characterized by containing 1 vol % to 99 vol % of a metal oxide having an average parti... | 06/05/2007 |
| 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 |
| 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 |
| 7208038 | Silane-modified biopolymeric, biooligomeric, oxidic or siliceous filler, process for its production and its use Silane-modified biopolymeric, biooligomeric, oxidic or siliceous filler obtainable by reacting at least one biopolymeric, biooligomeric, oxidic or siliceous filler in a compressed gas with at least one silane. The silane-modified biopolymeric, biooligomeric, oxidic ... | 04/24/2007 |
| 7186440 | Process for producing hydrophobic silica powder A process for producing a hydrophobic silica powder, comprises the steps for hydrophobic treatment of: adding to a silica sol in mixed solvent having a silica concentration of 5 to 50 mass % obtained by mixing an aqueous silica sol containing hydrophilic colloidal s... | 03/06/2007 |
| 7160375 | Aqueous glittering color material composition An aqueous glittering color material composition of the present invention is an aqueous glittering color material composition comprising a glittering pigment having a water repellent particle surface and it includes the following ingredients. The aqueous glittering ... | 01/09/2007 |
| 7144628 | Spherical silica-titania-based fine particles surface-treated with silane, production process therefor, and external additive for electrostatically charged image developing toner using same Spherical silica-titania-based fine particles surface-treated with silane are provided. The fine particles have a titanium atom content of 0.001 to 5% by weight, a frictional electrification with iron powder of −100 to −300 μC/g, a bulk density of 0.2 to 0.4 g/... | 12/05/2006 |
| 7144930 | Functionalized, structurally modified silicas Functionalized, structurally modified silicas with 3-methacryloxypropylsilyl and/or glycidyloxypropylsilyl groups on the surface are prepared by mixing the silicas with the silane and heat-treating, destructuring and grinding the mixture. The silicas are employed in... | 12/05/2006 |
| 7141618 | Coating compositions with modified particles and methods of using the same Powder coating compositions having improved mar and scratch resistance are disclosed. The coatings generally comprise one or more particles that have been modified to render the particles more surface active. The improved resistance is achieved without affecting the... | 11/28/2006 |
| 7109256 | Surface-modified inorganic oxide powder, process for producing the same, and use thereof A surface modified inorganic oxide powder is provided, which includes inorganic oxide particles having a surface modified with a mixed solution, which includes an organopoly-siloxane and a silane compound, in the presence of an acid or a base. ... | 09/19/2006 |
| 7083888 | External additive for electrostatically charged image developing toner An external additive for electrostatically charged image developing toner is provided. The additive includes spherical hydrophobic fine silica particles having primary particles with a particle diameter of from 0.01 to 5 μm and having been treated with a compound s... | 08/01/2006 |
| 7074457 | Process for preparing high-whiteness hydrophobic precipitated silica with ultralow moisture absorption A hydrophobic precipitated silica is prepared by a process comprising: a) preparing a mixture of an organopolysiloxane derivative and a precipitated silica; b) conditioning the mixture obtained at a temperature ran... | 07/11/2006 |
| 7022375 | 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. | 04/04/2006 |
| 7019037 | Monolayer coated aerogels and method of making Aerogels having a monolayer coating are described. The aerogel and a monolayer forming precursor are provided in a supercritical fluid, whereupon the aerogel and the monolayer forming precursor are reacted in said supercritical fluid to form a covalent bond between ... | 03/28/2006 |
| 7015271 | Hydrophobic particulate inorganic oxides and polymeric compositions containing same Described are hydrophobic particulate inorganic oxides useful for reinforcing polymeric composition, e.g., rubber. The materials are characterized by: (a) the substantial absence of functional groups capable of chemical reaction with rubber; (b) a BET surface area o... | 03/21/2006 |
| 6994834 | Surface-modified fine silica powder and use thereof A surface modified fine silica powder which has been treated, preferably, with a treating agent containing an amino group, characterized in that the powder exhibits an adsorption amount for an anion source compound of 150% or more of that of an original powder which... | 02/07/2006 |
| 6978834 | Foamed and non-foamed cement compositions including silane treated amorphous silica and methods The present invention provides improved methods of cementing and cement compositions. A cement composition of the invention comprises hydraulic cement, silica hydrophobicized with a mixture of organosilicon compounds and water which upon hardening has high shear bon... | 12/27/2005 |
| 6921781 | Process for covering silicas with wax The present invention provides a process, which includes: coating at least a portion of a surface of at least one silica particle with at least one wax, wherein the coating is carried out in at least one gas at a temperature above ... | 07/26/2005 |
| 6899951 | High-whiteness, non-heat-treated hydrophobic precipitated silica The present invention provides a hydrophobic precipitated silica having the following properties: | 05/31/2005 |
| 6893495 | Silane-modified biopolymeric, biooligomeric, oxidic or siliceous filler, process for its production and its use Silane-modified biopolymeric, biooligomeric, oxidic or siliceous filler obtainable by reacting at least one biopolymeric, biooligomeric, oxidic or siliceous filler in a compressed gas with at least one silane. The silane-modified biopolymeric, biooligomeric, oxidic ... | 05/17/2005 |
| 6822020 | Tetrahalosilane blends for treating silica Modified silica fillers are prepared by contacting silica with blends or mixtures containing diorganodihalosilanes and tetrahalosilanes in weight ratios of 1:0.1 to 1:2, respectively. While dialkyldichlorosilanes and tetrahalosilanes such as dimethyldichlorosilane a... | 11/23/2004 |
| 6770130 | Silica composite oxide particles and method of producing the same Silica composite oxide particles comprising silica and a metal oxide other than silica, the content of the metal oxide other than silica being from 30 to 50 mol %, and a coefficient of variation in the particle diameter being not larger than 30%. The silica composit... | 08/03/2004 |
| 6736891 | Process for producing hydrophobic particulate inorganic oxides Described is an improved process for producing hydrophobic particulate inorganic oxides useful for reinforcing polymeric compositions, e.g., rubber, by using a certain amount of hydrophobizing agents in an aqueous suspension of inorganic oxide having a pH of 2.5 or ... | 05/18/2004 |
| 6620514 | Nanostructured forms and layers and method for producing them using stable water-soluble precursors A process for preparing a composition for producing nanostructured mouldings and layers comprises contacting an aqueous and/or alcoholic sol of a compound of an element selected from silicon sand metals of the main groups and transition groups of the Peri... | 09/16/2003 |
| 6613139 | Chlorosilane blends for treating silica Modified silica fillers are prepared by contacting silica with blends or mixtures containing diorganodihalosilanes and monoorganotrihalosilanes in weight ratios of 1:0.1 to 1:2, respectively. While dialkyldichlorosilanes and monoalkyltrichlorosilane such ... | 09/02/2003 |
| 6596071 | Organic and inorganic composite pigments, and paint and resin composition using the same Organic and inorganic composite pigments having an average particle diameter of 0.01 to 10.0 μm composed of a white inorganic particle, an organosilane compound obtained from alkoxysilanes, or polysiloxanes coating on the white inorganic particle, and an... | 07/22/2003 |
| 6547870 | Pigment preparation The invention relates to a non-dusting, homogeneous pigment preparation, comprising ࣙ40% by weight of one or more effect pigments, 0.5-60% by weight of a polyalkylene glycol and/or one or more polyalkylene glycol derivatives, 0-10% by weight of a redispersin... | 04/15/2003 |
| 6544327 | Pigment preparation The invention relates to a non-dusting homogeneous pigment preparation which is notable in that it comprises at least 40% by weight of one or more effect pigments, from 0.5 to 60% by weight of an aldehyde resin and/or ketonic resin and from 0.1 to 10% by ... | 04/08/2003 |
| 6500534 | Powder-coated substrates with topcoat based on silanes containing epoxide groups The invention relates to powder-coated substrates bearing on a powder-coated surface a scratch-resistant and abrasion-resistant topcoat of a coating material which comprises: a) condensates based on hydrolyzable silanes containing at least one non-hydroly... | 12/31/2002 |
