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| Number | Title | Issue Date |
| 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 |
| 7056449 | Aqueous silica dispersion An aqueous silica dispersion containing silica particles dispersed in an aqueous medium is provided. The surfaces of the silica particles are treated with reacted aminosilane compound. The aqueous silica dispersion also contains anionic polymeric dispersing agent. T... | 06/06/2006 |
| 7037553 | Manufacturing process for ink-jet recording medium A method for producing an ink-jet recording medium, comprising the steps of: (a) shear processing a dispersion of pigment particles at a shear rate of 103 to 105 s−1; (b) mixing the dispersion of pigment particles with a water-solu... | 05/02/2006 |
| 6890873 | Glass prepared from pyrogenically prepared silicon dioxide Pyrogenically prepared silicon dioxide with the following physicochemical properties: 1. Average particle size (D50 value) D50≧150 nm (dynamic light scattering, 30 wt %) 2. Viscosity (5 rpm,... | 05/10/2005 |
| 6808769 | Dispersion, coating composition, and recording medium The present invention provides an aqueous dispersion containing at least two powder types selected from one or more metal oxide powders and/or one or more non-metal oxide powder. The present invention also provides a coating composition containing this dispersion, a... | 10/26/2004 |
| 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 |
| 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 |
| 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 |
| 6432151 | Preparing method of silica slurry for wafer polishing Disclosed herein is a method of preparing silica slurry for wafer polishing. This method includes pre-treating relatively inexpensive and commercially available fumed or colloidal silica particles as a seed by a settling, a crushing using a ball mill and ... | 08/13/2002 |
| 6426371 | Sol materials The invention provides a fast-cured sol material, which is produced by hydrolysis and condensation of the following starting materials: 2-60 parts by weight of a silicon alkoxide; 20-98 parts by weight of an alcohol; 0.5-50 parts by weight of an aqueous m... | 07/30/2002 |
| 6248144 | Process for producing polishing composition A process for producing a polishing composition, which comprises preliminarily adjusting water to pH 2-4, adding from 40 to 60 wt % of fumed silica to the water under high shearing force, adding water to lower the viscosity to 2-10000 cps, stirring the mi... | 06/19/2001 |
| 5967964 | Aqueous dispersion slurry of inorganic particles and production methods thereof The present invention provides production methods for aqueous dispersion slurry of inorganic particles which are so stable as not to increase in viscosity, gel or sediment even if stored for a long time and whose average particle diameter is 0.01 to 2 μm... | 10/19/1999 |
| 5518638 | Fire extinguishing and protection agent The invention concerns the production and use of thickened synthetic amorphous silica in water as a fire extinguishing and protection agent in which the water is mixed with 1% to 9% by weight of fumed silica, and the resulting thin fluid suspension is rap... | 05/21/1996 |
| 5328645 | Gel promoters for silica sols An alkoxysilane sol-gel composition and method for its production are disclosed whereby an alkoxysilane of the general formula Si(OR)4 wherein R is an organic radical such as methyl, ethyl, propyl or butyl is hydrolyzed with an acid catalyst and the... | 07/12/1994 |
| 5275652 | Concrete additive comprising a multicomponent admixture containing silica fume, its method of manufacture and concrete produced therewith A multicomponent aqueous flowable admixture is formed with silica fume and stabilized with one or more high-range concrete water-reducing agents or one or more ordinary concrete water-reducing agents alone or in combination. The admixture is of particular... | 01/04/1994 |
| 5246624 | Aqueous colloidal dispersion of fumed silica, acid and stabilizer An aqueous colloidal dispersion of fumed silica, acid and stabilizer, having a fumed silica concentration of at least about 40% by weight. A process for making an aqueous colloidal dispersion is also disclosed.... | 09/21/1993 |
| 5116535 | Aqueous colloidal dispersion of fumed silica without a stabilizer A stable non-dilatant aqueous colloidal dispersion of fumed silica, without a stabilizer, having a fumed silica concentration of at least about 35% by weight. Also disclosed is a process for producing aqueous colloidal dispersions of fumed silica, without... | 05/26/1992 |
| 5112418 | Method for bonding joints with an organic adhesive using a water soluble silane modified amorphous hydrated metal oxide primer A method of bonding a plurality of articles together with an organic adhesive by using a primer that provides increased crack propagation resistance without the use of organic solvents. The method comprises reacting aluminum, titanium silicon, iron, or zi... | 05/12/1992 |
| 4888079 | Method for bonding joints with an organic adhesive using a water soluble amorphous hydrated metal oxide primer A method of bonding a plurality of articles together with an organic adhesive by using a primer that provides increased crack propogation resistance without the use of organic solvents. The method comprises reacting aluminum, titanium, silicon, iron, or z... | 12/19/1989 |
| 4624800 | Method for producing aqueous, low-alkali metal, low-alumina silica sols A method for producing an aqueous silica sol is described, comprising admixing a fine silica powder having an ultimate particle size of 5 to 200 millimicrons with an aqueous medium at a pH not higher than 5 while applying ultrasonic vibrations having a fr... | 11/25/1986 |
| 4321243 | Method of producing stabilized aqueous dispersions of silica fume Silica fume, the by-product from the manufacture of silicon and ferrosilicon alloys, is dispersed in water and the aqueous dispersion is stabilized to retain its fluidity and redispersibility by treatment with an acid or with a chelating agent.... | 03/23/1982 |
| 3961968 | Method for producing hybrid binder for ceramic molds Methods of preparing Hybrid Silicate Binders are shown by admixing the following materials: 1. a basic or acidic colloidal silica sol suspended in water or glycol ether; 2. an organic silicate, such as ethyl silicate, hydrolyzed with water; 3. a mineral acid o... | 06/08/1976 |
| 3959566 | Process for preparing polymeric surfaces to improve antistatic and soil resistant properties A process for preparing the surface of a polymeric shaped article to achieve improved antistatic and soil resistant properties. The particles of an aqueous colloidal suspension of silica having sizes of about 15 to 40 angstroms are consolidated, and the s... | 05/25/1976 |
