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| Number | Title | Issue Date |
| 7402542 | Construction material A structural material of a polystyrene base and the reaction product of the polystyrene base and a solid phosphate ceramic is applied as a slurry which includes one or more of a metal oxide or a metal hydroxide with a source of phosphate to produce a phosphate ceram... | 07/22/2008 |
| 7312171 | Method of binding structural material A structural material of a polystyrene base and the reaction product of the polystyrene base and a solid phosphate ceramic. The ceramic is applied as a slurry which includes one or more of a metal oxide or a metal hydroxide with a source of phosphate to produce a ph... | 12/25/2007 |
| 7204880 | Rapid setting cement A cement formula including mono potassium phosphate, mono ammonium phosphate, magnesia, and fly ash exhibits rapid setting and high strength characteristics. ... | 04/17/2007 |
| 7178445 | Ballistic protection The present invention relates to ballistic protection for use in personal equipment or in vehicles of various types such as cars, helicopters and boats or for use in permanent or temporary protection of various types in buildings or other fixed or mobile installatio... | 02/20/2007 |
| 7138351 | Phosphate-based ceramic compositions with low dielectric constant and method for manufacturing dielectric substrate using the same Disclosed herein is a phosphate-based dielectric ceramic composition which has a low dielectric constant and a low dielectric loss in the high-frequency bands such as microwave and millimeter wave. The composition is represented by the following formula: (1-x)(A′ | 11/21/2006 |
| 7083758 | Free flowing dry back-up insulating material Disclosed is a free flowing dry back-up material which comprises: from 67 to 96% by weight of fly-ash; from 2 to 15% by weight of a heat sensitive binder such as boric acid; from 2 to 7% by weight ... | 08/01/2006 |
| 7083672 | Method and product for phosphosilicate slurry for use in dentistry and related bone cements The present invention is directed to magnesium phosphate ceramics and their methods of manufacture. The composition of the invention is produced by combining a mixture of a substantially dry powder component with a liquid component. The substantially dry powder comp... | 08/01/2006 |
| 7052542 | Composition for construction material and its method of making and using the same The present invention relates to a composition for converting fabric into construction material. The present invention also relates to construction material made from fabric and the process of its manufacture. ... | 05/30/2006 |
| 7045476 | Aerated refractory, method for producing high-temperature structural members An aerated refractory is provided comprising a mixture containing a phosphate compound, a metal oxide, a calcium containing compound; and an agent for increasing the volume of the mixture. Also provided is a method for protecting a substrate with aerated refractory,... | 05/16/2006 |
| 7001860 | Construction material and method A structural material of a polystyrene base and the reaction product of the polystyrene base and a solid phosphate ceramic. The ceramic is applied as a slurry which includes one or more of a metal oxide or a metal hydroxide with a source of phosphate to produce a ph... | 02/21/2006 |
| 6908871 | Batch composition for producing a refractory ceramic shape body, shaped body produced therefrom and the use thereof The invention relates to a batch composition for producing a refractory ceramic shaped body, to a shaped body produced therefrom and to the use thereof. The components used are: 68 to 97 wt.-% molten magnesite, sintered magnesite or mixtures thereof, 3 to 20 wt.-% C... | 06/21/2005 |
| 6787495 | Multi-purpose refractory material The invention discloses a refractory material derived from a mixture comprising: potassium phosphate, magnesium oxide, tricalcium phosphate. The invention relates to a phosphate based refractory material for use in a variety of applications including: casting oven p... | 09/07/2004 |
| 6776837 | Formation of chemically bonded ceramics with magnesium dihydrogen phosphate binder A new method for combining magnesium oxide, MgO, and magnesium dihydrogen phosphate to form an inexpensive compactible ceramic to stabilize very low solubility metal oxides, ashes, swarfs, and other iron or metal-based additives, to create products and waste forms w... | 08/17/2004 |
| 6524704 | Thermal spray powder of dicalcium silicate and coating thereof and manufacture thereof A powder of dicalcium silicate is made by spray drying calcia and silica with incorporation of sodium and phosphorus or stabilized zirconia. The spray dried powder is sintered to form a thermal spray powder. Sprayed coatings have a web of interconnected, ... | 02/25/2003 |
| 6518212 | Chemically bonded phospho-silicate ceramics A chemically bonded phospho-silicate ceramic formed by chemically reacting a monovalent alkali metal phosphate (or ammonium hydrogen phosphate) and a sparsely soluble oxide, with a sparsely soluble silicate in an aqueous solution. The monovalent alkali me... | 02/11/2003 |
| 6498119 | Chemically bonded phosphate ceramics of trivalent oxides of iron and manganese A new method for combining elemental iron and other metals to form an inexpensive ceramic to stabilize arsenic, alkaline red mud wastes, swarfs, and other iron or metal-based additives, to create products and waste forms which can be poured or dye cast.... | 12/24/2002 |
| 6458732 | Lightweight dry refractory A dry refractory composition having superior insulating value. The dry refractory composition also may have excellent resistance to molten metals and slags. The composition includes filler lightweight material, which may be selected from perlite, vermicul... | 10/01/2002 |
| 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 |
| 6284682 | Process for making chemically bonded sol-gel ceramics This invention relates to a novel method of decreasing porosity of ceramics produced by sol-gel processing. The process of preparing chemically bonded sol-gel ceramics comprises phosphating a sol-gel derived oxide or hydrated oxide and polymerizing the ph... | 09/04/2001 |
| 6284688 | Refractory compositions Substantially dry, self-hardening, thermally activated refractory compositions, suitable for use to produce linings for furnaces or metallurgical vessels such as ladles, tundishes or launders, comprise particulate refractory material, an inorganic binder ... | 09/04/2001 |
| 6204214 | Pumpable/injectable phosphate-bonded ceramics A pumpable ceramic composition is provided comprising an inorganic oxide, potassium phosphate, and an oxide coating material. Also provided is a method for preparing pumpable ceramic-based waste forms comprising selecting inorganic oxides based on solubil... | 03/20/2001 |
| 6194084 | Thermal spray powder of dicalcium silicate and coating thereof and manufacture thereof A powder of dicalcium silicate is made by spray drying calcia and silica with incorporation of sodium and phosphorus or stabilized zirconia. The spray dried powder is sintered to form a thermal spray powder. Sprayed coatings have a web of interconnected, ... | 02/27/2001 |
| 6133498 | Method for producing chemically bonded phosphate ceramics and for stabilizing contaminants encapsulated therein utilizing reducing agents Known phosphate ceramic formulations are improved and the ability to produce iron-based phosphate ceramic systems is enabled by the addition of an oxidizing or reducing step during the acid-base reactions that form the phosphate ceramic products. The addi... | 10/17/2000 |
| 5976718 | Process for producing a mainly inorganic foam, and thus produced mass or moulded part A premix composition for producing an inorganic solid foamed mass by mixing component (A) an aqueous acidic phosphate solution of mainly polyvalent cations and phosphoric acid wherein between 0.8 and 1.75 protons of the phosphoric acid molecule of said ph... | 11/02/1999 |
| 5954872 | Dry phosphate refractory concrete materials The present invention is directed to a dry phosphate cement mixture and process for manufacture of same. The dry mixture includes at least Al(H2 PO4)3, a group IIA metal bonded to oxygen, and an aggregate. The process for ... | 09/21/1999 |
| 5900382 | Refactory binder The present invention relates to a refractory binder that comprises a mixture of aqueous phosphate and silica sol. The silica sol has been found to gel and set in a surprisingly effective and useful way. Preferably, the refractory binder further incorpora... | 05/04/1999 |
| 5880046 | Moldable refractory composition and process for preparing the same This moldable refractory composition is intended to be used in the production of cast refractory pieces resistant to molten metals, especially molten aluminum. It comprises 8 to 25% by weight of an aqueous phosphoric acid solution having a concentration o... | 03/09/1999 |
| 5830815 | Method of waste stabilization via chemically bonded phosphate ceramics A method for regulating the reaction temperature of a ceramic formulation process is provided comprising supplying a solution containing a monovalent alkali metal; mixing said solution with an oxide powder to create a binder; contacting said binder with b... | 11/03/1998 |
| 5766337 | Magnesium oxyphosphate cement The preparation of a phosphate-bonded magnesia cement from mixtures of magnesium oxide and an aqueous solution of ammonium polyphosphate, where the mixtures further include a solid monoammonium phosphate fraction that functions to prevent undesired ammoni... | 06/16/1998 |
| 5602063 | Lightweight sprayable tundish lining composition The present invention discloses a low density basic refractory lining material with improved resistance to corrosion by molten slag and metal that is especially adapted for use as a disposable liner in molten metal containing vessels. This material incorp... | 02/11/1997 |
| 5559063 | Refractory material A refractory powder includes a filler, a binder, and a metal powder. This provides improved heat transfer in the refractory material during heating, and reduces the problem of explosive cracking and spalling so the refractory material can be burned out at... | 09/24/1996 |
| 5536686 | Phosphate binders for metal-matrix composites A binder for binding reinforcement materials is provided in which an aluminum and/or Group IIa-containing compound is combined, in a liquid, with a phosphorus-containing compound wherein said binder has a ratio of phosphorus to aluminum and/or Group IIa i... | 07/16/1996 |
| 5478786 | Manufacture of shaped refractory objects A method of manufacturing a refractory object which comprises setting basic refractory grains and a polyphosphate into a green shape characterised by the inclusion of minerals which, when the slurry is set and fired, develop spinel linkages.... | 12/26/1995 |
| 5382289 | Inorganic foundry binder systems and their uses This invention relates to inorganic no-bake foundry binder systems and their uses. The binder systems comprise as separate components: (A) mono-aluminum phosphate in an aqueous solution containing specified phosphoric acids, and (B) magnesium oxide; and c... | 01/17/1995 |
| 5362690 | Refractory castable composition and process for its manufacture A castable refractory composition for use in the production of cast refractory piece, which comprises 1 part by weight of a phosphoric acid solution (H3 PO4) having a concentration ranging from 40 to 85% and its primary acidic functi... | 11/08/1994 |
| 5302563 | Sprayable refractory composition The present invention discloses an alkali oxide free low density refractory material especially adapted for use as a disposable liner material for molten metal containing vessels. This material includes about 0.1 to about 2 weight percent of a stiffening ... | 04/12/1994 |
| 5284808 | Dry refractory composition A refractory composition, particularly for application as a dry vibratable refractory for forming the wearable, disposable monolithic lining coating the permanent lining of a tundish or ladle used in molten metal casting processes is disclosed. The compos... | 02/08/1994 |
| 5279665 | Inorganic foundry binder systems and their uses This invention relates to inorganic no-bake foundry binder systems and their uses. The binder systems comprise as separate Part A and Part B components: (A) an aqueous solution of specified phosphoric acids, and (b) a mixture comprising (1) an iron oxide ... | 01/18/1994 |
| 5217929 | Refractory composition A foamable lining composition to be used as an expendable lining over a permanent refractory lining in a molten metal handling vessel, e.g. a tundish, comprises a particulate refractory filler material, a binder, a foaming agent and water. Calcined magnes... | 06/08/1993 |
| 5158915 | Magnesia-based sintered body and process for preparing same A magnesia-based sintered body of a homogeneous composition having a porosity lower than 1% and a hydrateability lower than 0.3%, said sintered body having a chemical composition comprising 70 to 99.9% by weight of magnesia and 30 to 0.1% by weight of at ... | 10/27/1992 |
