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| Number | Title | Issue Date |
| 8026191 | Carbon-containing refractory composition containing no resinous binder The present invention provides a carbon-containing refractory composition comprising a carbon-containing refractory matrix material, and a binder selected from molasses, lignosulphonate, magnesium sulfate, magnesium chloride, and a mixture thereof. The inventive com... | 09/27/2011 |
| 7276193 | Method for forming ultrafine particle brittle material at low temperature and ultrafine particle brittle material for use therein A method for forming an ultrafine particle brittle material at low temperature which includes the steps of applying a mechanical impact force or a pressure to a ultrafine particle brittle material so as to have a percentage in the ultrafine particles having a primar... | 10/02/2007 |
| 7204878 | Refractory mixes containing condensed tannin and furfuryl alcohol, and their uses This invention relates to refractory mixes produced by mixing a refractory material with an organic binder and heating to a temperature of typically from about 50° C. to about 100° C. to form a stable composite granulate. The refractor mixes comprise a major amoun... | 04/17/2007 |
| 7182891 | Non-basic refractory compound as well as its uses This invention concerns a non-basic refractory batch as well as its use. ... | 02/27/2007 |
| 7179550 | Member for supporting magnetic disc substrates, process of producing the same, and magnetic disc device using the same A member of supporting magnetic disc substrates is provided, comprising a ceramic sinter containing a ceramic component and at least one conductive component selected from a group consisting of iron, niobium, tin zinc, copper, nickel, cobalt, and chromium, wherein t... | 02/20/2007 |
| 7169198 | Microcrystalline α-AlOshaped body, method for the production and use thereof The invention relates to a method for the production of a sintered, microcrystalline α-Al2O3-based shaped body, which are used, for example, as abrasive bodies, wherein an α-Al2O3 powder is used as starting material, sai... | 01/30/2007 |
| 6969951 | High pressure discharge vessel for an alumina high-intensity discharge lamp A discharge vessel or chamber for a high-intensity discharge lamp is provided, including a central body having a discharge space provided therein, two capillaries closing off respective end openings of the central body and an electrode positioned within each respect... | 11/29/2005 |
| 6846763 | Refractory repair material batch A refractory repair batch material includes a refractory, in particular a basic resistor component in granule form and a binder system. The binder system contains at least one hard bitumen component in granule form, at least one ignitable metal powder and at least o... | 01/25/2005 |
| 6846766 | Carbonaceous refractory shaped body with improved oxidation behavior and batch composition and method for producing the same A batch, in particular for the production of a refractory shaped body, includes at least one refractory metal oxide component and a synthetic resin component as a binder, and a graphitizing auxiliary for producing crystalline graphite carbon from the resin. The grap... | 01/25/2005 |
| 6846510 | Method for deposition of a catalyst The invention relates to a method for deposition of a catalyst, in particular a method for coating a membrane electrode unit (MEA) for a fuel cell. Said method requires no external electrical field as usual for conventional galvanic techniques. The support for the c... | 01/25/2005 |
| 6844281 | Reinforcement preform for metal matrix composites A preform for use in a metal matrix composite, particularly for a magnesium metal composite. In the preform the reinforcing material typically is silicon carbide, boron nitride, titanium nitride, carbon or graphite. The binder used in the preform is sintered magnesi... | 01/18/2005 |
| 6645425 | Refractory batch, in particular for the production of a shaped body, and process for producing the shaped body The invention relates to a refractory batch containing at least one refractory metal oxide component, at least one binder component, such as resin or pitch, if appropriate antioxidants, at least one carbon carrier, such as soot and/or graphite, and reinfo... | 11/11/2003 |
| 6586355 | Slagline sleeve for submerged entry nozzle composition therefore An improved submerged entry nozzle is provided which is useful in the casting of aluminum killed molten steel. The nozzle has an improved slagline sleeve or collar which surrounds the outer portion of the nozzle to protect it from corrosion during the cas... | 07/01/2003 |
| 6533146 | Continuous casting nozzle for molten steel A continuous casting nozzle for casting molten steel, wherein at least a surface layer of an inner bore of the continuous casting nozzle contacting with a molten steel is formed of a refractory comprising: an aggregate consisting essentially of alumina (A... | 03/18/2003 |
| 6533994 | Alkaline, refractory ceramic hollow item The invention relates to an alkaline (basic), refractory ceramic hollow item.... | 03/18/2003 |
| 6464932 | Unburned carbon-containing refractory material and vessel for molten metal An unburned carbon-containing refractory suitable for lining a molten metal container, which can prevent deformation of the outer steel shell, improve the life of the container, suppress reduction in molten steel temperature, and minimize energy losses wi... | 10/15/2002 |
| 6461991 | Alumina-magnesia-graphite refractory A re-usable alumina-magnesia graphite refractory suitably used for a refractory for continuous casting, such as a long nozzle used for pouring a molten metal from a ladle capable of re-use or intermittent use to a tundish, an immersion nozzle used for cha... | 10/08/2002 |
| 6423129 | Coatings and additives containing ceramic material A coating for roofs and the like to inexpensively provide protection from ultraviolet light and for wood or steel substrates to inexpensively provide flame or chemical resistance respectively. The coating comprises an adhesive and a recycled ceramic powde... | 07/23/2002 |
| 6410469 | Slagline sleeve for submerged entry nozzle and composition therefor An improved submerged entry nozzle is provided which is useful in the casting of aluminum killed molten steel. The nozzle has an improved slagline sleeve or collar which surrounds the outer portion of the nozzle to protect it from corrosion during the cas... | 06/25/2002 |
| 6313056 | Non-slumping sprayable refractory castables containing thermal black An essentially non-slumping sprayable refractory castable composition that is applied without forms is disclosed comprising (a) a tempered, pumpable first component comprising (i) one hundred weight percent of a refractory composition comprising from abou... | 11/06/2001 |
| 6288001 | Graphite-containing monolithic refractory material A graphite-containing monolithic refractory material comprises at least one component selected from alumina and alumina-magnesia spinel, which are divided into selected particle size regions, artificial graphite having a selected average particle size, an... | 09/11/2001 |
| 6283341 | Continuous casting nozzle for molten steel A continuous casting nozzle for casting molten steel, wherein at least a surface layer of an inner bore of the continuous casting nozzle contacting with a molten steel is formed of a refractory comprising: an aggregate consisting essentially of zirconia (... | 09/04/2001 |
| 6284689 | Refractory material The invention relates to refractory waste materials and in particular to waste materials removed from furnace linings. Refractory waste materials often have hydrolysable contaminants making the material unsuitable for use in making new products. The inven... | 09/04/2001 |
| 6257466 | Continuous casting nozzle A continuous casting nozzle for casting molten steel, wherein the surface layer of the bore of said continuous casting nozzle contacting with the molten steel is formed of a refractory material comprising silicon carbide from 1 to 10 wt %, an aggregate co... | 07/10/2001 |
| 6113802 | Compositions for and synthesis of improved insulations An insulation material which is substantially free of fibers and which has a density of less than about 2.5 g/cc and a thermal conductivity of less than about 5 W/Km is formed from a composition comprising at least about 2%, by weight, carbon. The insulat... | 09/05/2000 |
| 5990027 | Flexible graphite composite Flexible graphite sheet having embedded ceramic fibers extending from its surfaces into the sheet to increase the permeability of the sheet to resin. The resin impregnated sheet is formed into a sealing gasket.... | 11/23/1999 |
| 5932506 | Alumina-silicon carbide-carbon refractory castable containing magnesium aluminate spinel A refractory castable comprised of: about 45% to about 75% by weight high alumina grain; about 2% to about 35% by weight silicon carbide; about 1% to about 8% by weight carbon; about 1% to about 8% by weight calcium aluminate cement; and about 1% to about 10% by weight ... | 08/03/1999 |
| 5912243 | (4,4-difluorobut-3-enylthio)-substituted heterocyclic or carbocyclic ring compounds having pesticidal activity A compound having the formula R--S(O)n CH2 CH2 CH.dbd.CF2, or a salt thereof, wherein R is a phenyl group or a heterocyclic group selected from furyl, thienyl, isoxazolyl, isothiazolyl, oxazolyl, thiazolyl, imid... | 06/15/1999 |
| 5911900 | Continuous casting nozzle for casting molten steel The invention is related to a continuous casting nozzle for casting of aluminum killed steel without clogging of the bore of the nozzle. The surface layer of the bore of the continuous casting nozzle contacting with the molten steel is formed of a refract... | 06/15/1999 |
| 5866490 | Monolithic refractory and gunning material using the refractory Disclosed is a monolithic refractory comprising 1 to 30 weight parts of pitch having 65 to 90 wt.-% of fixed carbon and a softening point of 250° to 350° C. to form a carbon bond, relative to 100 weight parts of refractory material so as to form carbon ... | 02/02/1999 |
| 5856251 | Castable refractory for slide gate Castable refractory for a slide gate plate is mainly formed of alumina raw material and amorphous carbon raw material of 2 to 15 wt %, and contains silicon carbide and/or boron carbide, the total content thereof being equal to 0.5 to 10 wt % (the content ... | 01/05/1999 |
| 5838104 | Shield for high pressure discharge lamps An improved compact, white color and pulse operated high pressure sodium vapor arc discharge lamp employing a radiation sensitive getter RF flashed onto the inner surface of the outer lamp envelope has a ceramic radiation shield interposed between the arc... | 11/17/1998 |
| 5821113 | Method of reducing contamination and composition for use in the method Contamination by organic materials is treated by applying an aqueous composition comprising organisms which are useful in degradation of the contaminant, a nutrient for the organisms and a polymer which is soluble in or dispersible in the water and which ... | 10/13/1998 |
| 5811057 | Refractory lining system for high wear area of high temperature reaction vessel A refractory-lined high temperature reaction vessel comprises a refractory ring lining constructed of refractory brick, a cooler, and a heat transfer medium disposed between the refractory ring lining and the cooler. The refractory brick comprises magnesi... | 09/22/1998 |
| 5766689 | Spray operation method for monolithic refractories A spray operation method for monolithic refractories, which comprises forcibly sending to an application field by a force feed pump and a force feed piping a self flowable mixed batch prepared by mixing, together with water, a powder composition for monol... | 06/16/1998 |
| 5646079 | Refractory ceramic mass and its use The present invention pertains to an electrically conductive, dry, refractory ceramic mass based on a refractory oxidic matrix material containing a source of carbon, such as graphite, carbon black or petroleum coke.... | 07/08/1997 |
| 5624472 | Method for dry grinding with improved magnesium oxychloride cement bond containing graphite Magnesium oxychloride cement bonds are improved by incorporation of graphite. The graphite not only contributes to cooler dry grinding with abrasive tools based on the magnesium oxychloride bond, but unexpectedly also improves heat strength of the bond.... | 04/29/1997 |
| 5576255 | Refractory sand composition Compositions for refractory materials and methods for providing the compositions are described. A synthetic forsterite-rich refractory sand composition includes a mixture. The mixture includes: a) a carbon bridging agent, the carbon bridging agent being p... | 11/19/1996 |
| 5567214 | Process for production of alumina/zirconia materials A process is described for the production of alumina/zirconia materials which uses cheap scrap alumina/zirconia/silica material as feedstock along with a reducing agent to lower the final silica content to an acceptable level.... | 10/22/1996 |
| 5559064 | Chrome-free brick Chrome-free bricks which exhibit excellent resistance to corrosion, penetration, and thermal spalling. The bricks are mainly made from a magnesia material and/or a magnesia-alumina spinel material and comprise 1 to 10 wt % titania and 1 to 15 wt % alumina... | 09/24/1996 |
