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| Number | Title | Issue Date |
| 8038788 | Coating systems Coating systems characterized in that they contain 0.5% by weight to 30% by weight of a hydrophilic, structurally modified, optionally reground, fumed silica. ... | 10/18/2011 |
| 8038787 | Coating formulation having improved rheological properties 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. ... | 10/18/2011 |
| 7985292 | Precipitated silica for thickening and creating thixotropic behavior in liquid systems 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 thicken... | 07/26/2011 |
| 7901502 | Dispersion which contains at least 2 types of particles Aqueous dispersions contain at least two chemically different particle types having a diameter on average of less than 100 μm. The dispersions are resistant to sedimentation and gelling for long periods of time, and can be used for many purposes, such as the polish... | 03/08/2011 |
| 7842129 | Lacquer formulation for improving surface properties A coating formulation containing at least one surface-modified silicon dioxide having a 60° reflectometer value of | 11/30/2010 |
| 7435304 | Coating composition, and method for manufacturing high silicon electrical steel sheet using thereof There are provided a coating composition for siliconizing, and a method for manufacturing a high silicon electrical steel sheet using the same. The coating composition includes: a Fe—Si-based composite compound sintered powder having a grain size of −325 mesh an... | 10/14/2008 |
| 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 |
| 7399353 | Production of suspensions of hydrophobic oxide particles Disclosed are a process for producing a suspension of hydrophobic oxidic particles which has a defined, adjustable viscosity, which comprises suspending low structured hydrophobic oxidic particles in at least one organic suspension agent and then adding from 0.05% t... | 07/15/2008 |
| 7351388 | Pyrogenically produced silicon dioxide powder Pyrogenically produced silicon dioxide powder in the form of aggregates of primary particles having a BET surface area of 300±25 m2/g, wherein the aggregates display an average surface area of 4800 to 6000 nm2, an average equivalent circle dia... | 04/01/2008 |
| 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 |
| 7285182 | Composition for surface treatment of paper A composition for surface treatment of paper which includes a nanoparticle fraction, and a carrier fraction for detaining the nanoparticles in the surface layer. The carrier fraction includes plate-like pigment particles, and at least one binder. The invention also ... | 10/23/2007 |
| 7282273 | Grease resistance and water resistance compositions and methods A method of improving grease and/or water resistance of a material is disclosed that comprises treating the material with wax and poly(vinyl alcohol) and optionally with a polyamine. Compositions for practicing the method and materials that have been treated by the ... | 10/16/2007 |
| 7255843 | Low viscosity-increment fumed-silica and its slurry A fumed-silica, which can make a slurry having sufficient wettability to a polar liquid, excellent dispersibility, and low viscosity even in the high concentration, and a slurry thereof. A fumed-silica and its slurry are provided, wherein the water content is contro... | 08/14/2007 |
| 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 |
| 7169322 | Aqueous dispersion, process for its production and use Aqueous dispersion containing a silicon-aluminum mixed oxide powder, the powder containing 0.1 to 99.9 wt. % Al2O3 and Si—O—Al-bonds. The dispersion can be produced using dispersing and/or grinding devices which a achieve an energy input of... | 01/30/2007 |
| 7105047 | Thermal protective coating A coating, method of coating and substrates coated thereby, wherein the coating contains an inorganic adhesive such as an alkali/alkaline earth metal silicate such as sodium silicate, potassium silicate, calcium silicate, and magnesium silicate; a filler such as a m... | 09/12/2006 |
| 7083770 | Amorphous, fine silica particles, and method for their production and their use The amorphous-silica particle having 0.1–0.7 μm of the average particle diameter, 5–30 m2/g of the specific surface area, less than 40% of the dispersion coefficient, and 20 μC/m2 of the absolute value of the triboelectrostatic charge, ca... | 08/01/2006 |
| 6998177 | Method of making a glass body with a phosphorous- and porous SiO-containing coating, glass body made thereby and solution for making same The alkali-free or alkali-poor glass body is provided with an adherent and anti-reflective coating on at least one of its sides. The coating contains P2O5 and porous SiO2, preferably in a weight ratio of SiO2 to P2 | 02/14/2006 |
| 6953503 | Method of manufacturing molded body, slurry for molding, core for molding, method of manufacturing core for molding, hollow ceramic molded body, and light emitting container A slurry for molding an article is provided wherein a source powder including at least one of a ceramic powder and a metal powder is dispersed, introduced into a forming mold, cured in the forming mold to form the molded article, and at least a part of the forming m... | 10/11/2005 |
| 6921431 | Thermal protective coating for ceramic surfaces A coating admixture, method of coating and substrates coated thereby, wherein the coating contains colloidal silica, colloidal alumina, or combinations thereof; a filler such as silicon dioxide, aluminum oxide, titanium dioxide, magnesium oxide, calcium oxide and bo... | 07/26/2005 |
| 6921578 | Low-reflection glass article A low reflection film comprising silica fine particles and a binder in a weight ratio proportion of 60:40 to 95:5 is obtained by mixing starting fine particles comprising at least non-aggregated silica fine particles with a mean particle size of 40-1000 nm and/or li... | 07/26/2005 |
| 6918957 | Aqueous coating solution for abrasion-resistant SiO2 antireflection layers Aqueous coating solution having a pH of from 3 to 8, comprising 0.5-5.0% by weight of [SiOx(OH)y]n particles, where 0 | 07/19/2005 |
| 6916368 | Curable film-forming composition exhibiting improved scratch resistance A curable film-forming composition is provided that on curing produces a coating, comprising in a medium (i) 10 to 90 percent by weight based on the total weight of resin solids in the film-forming composition of a crosslinking agent; (ii) 10 to 90 percent by weight... | 07/12/2005 |
| 6902715 | Precipitated silicas having a narrow particle size distribution The present invention provides silica particles, which include the following physical properties: BET surface area: 100-700 m2/g; DBP absorption: 100-500 g/100 g; tamped density: 100-250 g/l; ALPINE sieve residue>63μ: | 06/07/2005 |
| 6840992 | Coatings for inkjet media The present invention provides a coating for inkjet media, which includes at least one hydrophobic filler particle; and a binder. Another embodiment of the invention provides an inkjet media, which includes the above-described coating coated on a substrate. Another ... | 01/11/2005 |
| 6824602 | Block paving sand An improved block paving sand comprising kiln dried sand mixed with a water-soluble polymer. The block paving sand is filled into gaps between blocks and then water is applied thereto. Upon contact with the water, the polymer coats the sand and then sets hard, there... | 11/30/2004 |
| 6824603 | Composition and method for printing resistors, capacitors and inductors A composition of matter comprising a mixture of an oxide powder or powders and a Reactive Organic Medium (ROM) which can be used to create electronic components on a suitable. The materials are applied to conventional polymer-based circuit substrates by any convenie... | 11/30/2004 |
| 6800267 | Doped precipitated silica Aluminum-doped precipitated silicas having a BET surface area of more than 300 m2/g and aluminum distributed uniformly in the silica particles are prepared by sequentially heating a mixture of water and sodium silicate at a temperature of from 70 to 86° ... | 10/05/2004 |
| 6773814 | Metal oxide particles coated with silicon dioxide Metal oxide particles having a metal oxide core and a silicon dioxide coating have a low structure. The particle are produced by a base dissolved in water being added under agitation to a dispersion comprising a metal oxide, at least one compound of the type Xn... | 08/10/2004 |
| 6752864 | Granules based on pyrogenically prepared silicon dioxide doped with aluminum oxide by means of an aerosol, method of producing same, and use thereof Granules based on pyrogenically prepared silicon dioxide doped with aluminum oxide by means of an aerosol, which granules have the characteristic data: ... | 06/22/2004 |
| 6740702 | Coating liquid for forming ink-receiving layer The invention provides a recording sheet having an ink-receiving layer, which comprises a substrate sheet and an ink-receiving layer formed thereon, said ink-receiving layer comprising oxide particles, wherein the ink-receiving layer has pores having a diameter in t... | 05/25/2004 |
| 6733841 | Hydrophilic treatment of a carbon fiber construction A method is provided for making a hydrophilic carbon fiber construction comprising the steps of: a) immersing a carbon fiber construction in an aqueous dispersion of one or more metal oxides, comprising: i) 1-15% by weight metal oxide; ii) 0.01%-5% by weight dispers... | 05/11/2004 |
| 6723387 | Multimodal structured hardcoatings made from micro-nanocomposite materials A thermal spray method for the fabrication of ceramic/metal and ceramic/ceramic hardcoating for wear applications. The method makes use of feedstock powder, composed of micron-scale aggregates of hard phase material particles that are either mixed or coated with a r... | 04/20/2004 |
| 6699522 | Inorganic insulation coating material An inorganic coating material maintains the properties of high heat resistance and high electrical insulating characteristics of inorganic materials, while enhancing the degree of adhesion with respect to an object to be coated. A water-based suspension w... | 03/02/2004 |
| 6695907 | Dispersions containing pyrogenic oxides Dispersions of pyrogenic oxides, doped using an aerosol, are prepared by mixing the oxide with a suspending agent and milling. The dispersions can be used to prepare inkjet paper.... | 02/24/2004 |
| 6679945 | Pyrogenically prepared silicon dioxide Pyrogenically prepared silicon dioxide with the following physicochemical properties: 1. Average particle size (D50 value)D50ࣙ150 nm (dynamic light scattering, 30 wt %) 2. Viscosity (5 rpm, 30 wt %) ηࣘ100 m.multidot.Pas 3... | 01/20/2004 |
| 6677389 | Cationized silica dispersion Provided is a cationized silica dispersion prepared by dispersing dry processed silica and a cationic resin in a polar solvent, wherein a concentration of dissolved silicic acid at 25° C. is 200 ppm or less. This cationized silica dispersion does not sub... | 01/13/2004 |
| 6673142 | TRANSPARENT CONDUCTIVE LAYERED STRUCTURE AND METHOD OF PRODUCING THE SAME, AND TRANSPARENT COAT LAYER FORMING COATING LIQUID USED IN THE METHOD OF PRODUCING THE SAME, AND DISPLAY DEVICE TO WHICH TRANSPARENT CONDUCTIVE LAYERED STRUCTURE IS APPLIED A transparent conductive layered structure which has the functions of preventing electrostatic charging or shielding an electric field, and preventing reflection, the two-layered film of which has an excellent scratch strength, and with which a reduction ... | 01/06/2004 |
| 6641629 | Abrasion resistant coatings A coating composition for forming abrasion-resistant, high clarity coatings is described. It has been found that a macrocrystalline or single crystal mineral abrasive can be added at high levels, about 5 to about 80 percent by weight, to art-recognized fi... | 11/04/2003 |
| 6638982 | Method of preparing a fumed metal oxide dispersion The invention provides a method of preparing a dispersion of a fumed metal oxide in a liquid carrier comprising the following sequential steps: (a) providing a liquid carrier at a pH that effects dissolution of the metal oxide at a rate the same as or gre... | 10/28/2003 |
