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| Number | Title | Issue Date |
| 7305990 | Mouth guard and kit A user-fabricated mouth guard wherein the user's teeth and gums are not directly exposed to the uncured mouth guard material. The uncured mouth guard material is pliant at room temperature and does not have to be heated to form and shape the mouth guard. The cured m... | 12/11/2007 |
| 7300489 | Powder metallurgical compositions and parts made therefrom Metallurgical powder compositions are provided that include calcium aluminate additives, i.e., calcium aluminate or calcium aluminate containing powders, to enhance the machinability and durability of compacted and sintered parts made therefrom. The compositions gen... | 11/27/2007 |
| 7300610 | Method for forming cavities of complex configuration within concrete A form for creating cavities within large concrete structures, wherein the formed is created by interconnecting a plurality of section members, the section members having flexible mold skeleton members retaining polymer-aggregate panel members, and wherein the form ... | 11/27/2007 |
| 7258158 | Increasing stability of silica-bearing material Method and apparatus for prolonging the stability (working life) of a ceramic slurry and other aqueous mixture or dispersion containing a liquid silica-bearing or other component as well as the raw liquid silica-bearing component in ambient air over time by providin... | 08/21/2007 |
| 7255738 | Lightweight cementitious composite material A lightweight cementitious composite material includes expanded synthetic polymer particulate having a particle size of between 0.0625 and 0.5 inches. A dispersant coating on said particulate suppresses electrostatic attraction between particulate particles. A matri... | 08/14/2007 |
| 7178597 | Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations The present invention relates to subterranean well cementing operations, and more particularly, to cement compositions that include high aspect ratio materials, and methods for using such cement compositions in subterranean formations. An example of a method of the ... | 02/20/2007 |
| 7174961 | Methods of cementing using cement compositions comprising basalt fibers Methods of using cement compositions that comprise basalt fibers in subterranean formations are provided. An example of such a method may comprise providing a cement composition that comprises water, a hydraulic cement, and a plurality of basalt fibers; introducing ... | 02/13/2007 |
| 7128129 | Investment casting slurry composition and method of use A composition and method for forming investment casting shells includes using colloidal silica, zircon flour, and fused silica in a slurry which is applied to a pattern. After the slurry is applied to the pattern, it is allowed to partially or completely solidify. A... | 10/31/2006 |
| 7056380 | Aqueous black enamel composition for glass substrate A water-based black enamel composition capable of being deposited on a glass substrate, especially on a glass sheet. The enamel composition includes: 20 to 40% by weight of water-soluble sodium silicate and/or potassium silicate; a water-soluble base, in an amount s... | 06/06/2006 |
| 7022178 | Binding agent, core sand mixture and a method for producing the same A binding agent system based on water glass is disclosed, comprising an aqueous alkali silicate solution having the general composition: xSiO2·yM2O ·zH2O, with M standing for the alkali ions Li+, K+, or Na | 04/04/2006 |
| 7013948 | Disintegrative core for use in die casting of metallic components A disintegrative member, such as a salt core, is provided with a vent opening extending through its thickness from an outer surface to an inner surface in order to allow gases to pass radially inwardly through the body of the salt core and away from a region proxima... | 03/21/2006 |
| 6920913 | Method for processing casting materials to increase slurry lifetime Embodiments of a method for increasing the lifetime of a casting slurry are described. One feature of the disclosed embodiments comprises processing refractory materials that are used to form casting slurries to provide a substantial increase in slurry lifetime for ... | 07/26/2005 |
| 6918954 | Colloidal silicate dispersion, method for its preparation and its use The present invention is directed to a colloidal aqueous silicate dispersion containing silica and alumina, the molar ratio between silica and alumina being 2-12, as well as to a method for its preparation. Said method is characterized by dissolving a particulate mi... | 07/19/2005 |
| 6901989 | Removing lost foam pattern coating residue from a casting In the lost foam casting of aluminum, coating a fugitive pattern with a refractory coating containing a thermally stable, water-insoluble, acid-gasifiable (e.g. CaCO3) compound, and contacting the casting, with the coating thereon, with an acid to dissoci... | 06/07/2005 |
| 6866709 | Binder systems derived from amorphous silica and bases The present invention relates to compositions comprising the reaction product of amorphous silica or ultra-fine silica and one or more bases. The present invention also relates to materials and method involving the use of such products. In particular, the present in... | 03/15/2005 |
| 6805737 | Lightweight substance molded body, method for the production and use thereof The invention relates to a lightweight substance molded body made of a lightweight aggregate and a sintering auxiliary agent, wherein said molded body consist of a sintering product containing 60-95 wt. % lightweight aggregate with 40-5 wt. % water-soluble alkali si... | 10/19/2004 |
| 6699314 | Mold releasing agent for centrifugal casting mold A mold releasing agent suitable for easily casting a cylindrical cast member which is superior in adhesion on cast parts at low cost, is provided. A mold releasing agent for a centrifugal casting mold comprises a binder, a heat insulating agent, and a foa... | 03/02/2004 |
| 6663793 | Sol-gel-based composite materials for direct-write electronics applications The present invention relates to a method for producing a low temperature 0-3 composite material, comprising the steps of providing a mixture, wherein the mixture comprises a liquid phase and a particulate phase and wherein the liquid phase comprises a re... | 12/16/2003 |
| 6638628 | Silicate coating compositions Aqueous zinc-containing coating compositions are provided in which the bonding agent is a blend of sodium and/or potassium silicate and lithium polysilicate the latter being in relatively high proportion particularly over 30% up to 70% by weight of silica... | 10/28/2003 |
| 6589900 | Ceramic product based on lithium aluminum silicate A ceramic product containing at least 70% lithium aluminium silicate of 100% total mass weight percent; and a non-wetting agent in the form of barium sulphate. Most preferably, the lithium aluminium silicate includes petalite in finely divided form which ... | 07/08/2003 |
| 6579834 | Aqueous release agents for low speed injection die casting This invention provides a release agent for low speed casting, which does not pollute working environment, has a superior running property and lubricating property and further shows a superior cleanability of a die. An aqueous release agent for a low speed inj... | 06/17/2003 |
| 6514446 | Colored articles and compositions and methods for their fabrication This invention provides improved methods and compositions for achieving material coloration using particle scattering. These coloration effects can be designed to be either highly stable or dependent upon the switching effects of either temperature, integ... | 02/04/2003 |
| 6291378 | Dental restorations The invention provides a refractory material for use in the manufacture of dental restorations, the refractory material comprising essentially of an admixture of Silica, Silicon Carbide, Magnesium Oxide, Mono Ammonium Phosphate, and Zircon or Aluminium Ox... | 09/18/2001 |
| 6248284 | Process for preparing particles covered with a layer of water glass and articles comprising such covered particles The invention relates to a process for preparing free flowing particles covered with a layer of water glass, comprising the steps of: (a) providing a mixture containing particles to be covered, water and 0.1-5% by weight water glass, calculated on the bas... | 06/19/2001 |
| 6218461 | Silicone composition curing at room temperature and the use thereof A silicone composition curing at room temperature by condensation, which is suitable especially as a dental molding composition. The silicone composition consists of the a) base paste containing a filler and polyorganosiloxane having hydroxy groups, b) an... | 04/17/2001 |
| 6187355 | Recovery of used frying oils Treatment and recovery of used frying oils uses combinations of adsorbents and antioxidants which provide unexpected improvements in used frying oil adsorptive and other properties, quality and service life such that the recovered frying oil can be reused... | 02/13/2001 |
| 6176919 | Water-based paint useful for windshields The invention is directed to a water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, a fused silica and, optionally, a low-melting glass frit, soda-lime-silica glass particles and/or zinc oxide. It may f... | 01/23/2001 |
| 6139619 | Binders for cores and molds An inorganic binder system for foundry compositions includes a silicate and added phosphate. The composition produces a binder having the advantageous strength properties of a silicate binder system with the dispersibility properties of a phosphate binder... | 10/31/2000 |
| 6126737 | High solids water-based ceramic paint The invention is directed to a dark colored high-solids water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, a low-melting glass frit, and optionally, soda-lime-silica glass particles and/or zinc oxide.... | 10/03/2000 |
| 6017387 | Process for preparing molding sand for green sand mold A process for preparing a molding sand for a green sand mold is provided. The process comprises the step of drying under a reduced pressure of 0 to 0.3 atm for 0.5 to 30 seconds a green molding sand obtained by kneading silica sand, clay, and water, to dr... | 01/25/2000 |
| 6013125 | Investment of powders and method for rapid preparation of investment molds The present invention relates to improved investment powders for use in making improved investment molds for casting metals, and the use of such molds with vacuum and/or either conventional, convection conduction or microwave heating apparatus, to rapidly... | 01/11/2000 |
| 5938834 | Water-based paint including glass particulate The invention is directed to a water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, soda-lime-silica glass particles and at least one of a low-melting glass frit or zinc oxide. Preferably, it includes o... | 08/17/1999 |
| 5911269 | Method of making silica sand molds and cores for metal founding Thermal expansion defects, i.e. veining, are reduced in iron, steel, and nonferrous castings by adding a lithia-containing material in a sufficient amount to the silica sand mold to provide about 0.001% to about 2.0% of lithia. The addition of lithia is a... | 06/15/1999 |
| 5837047 | Heat curable binder systems and their use This invention relates to heat cured binder systems comprising as separate Parts: Part I comprising (a) a soluble source of silica, (b) an alcohol, and preferably (c) a surfactant; and Part II comprising an alkali aluminate. The binder systems are mixed w... | 11/17/1998 |
| 5820662 | Dental investing material A dental investing material is disclosed which comprises a combination of: (a) quartz and/or cristobalite, (b) a phosphate binder, and (c) aluminous cement, wherein said dental investing material is further added with tridymite and magnesium silicate. The... | 10/13/1998 |
| 5743953 | Heat curable alumino-silicate binder systems and their use This invention relates to heat curable alumino-silicate binder systems comprising as three separate parts (1) a soluble source of silica, (2) a caustic solution of an alkali silicate, and (3) aluminum silicate, and an alcohol which may be incorporated int... | 04/28/1998 |
| 5702520 | Method of making water based paint and formed glazing with paint thereon The invention is directed to a method of making a water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, soda-lime-silica glass particles and at least one of a low-melting glass frit or zinc oxide. Prefer... | 12/30/1997 |
| 5698026 | Water-based paint including glass particulate The invention is directed to a water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, soda-lime-silica glass particles and at least one of a low-melting glass frit or zinc oxide. Preferably, it includes o... | 12/16/1997 |
| 5698025 | Water-based paint including glass particulate- II The invention is directed to glass sheets carrying a coating of a water-based paint composition comprising sodium silicate, water, water-soluble base, metal oxide pigment, soda-lime-silica glass particles and, at least one of a low-melting glass frit or z... | 12/16/1997 |
| 5691257 | Low density cellulated body and method A cellulated, inorganic body, and a method of producing the body, the body having a very low bulk density and being resistant to aqueous and chemical attack, the cells being gas- or vacuum-filled, predominantly closed, and dispersed in a crystalline matri... | 11/25/1997 |
