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| Number | Title | Issue Date |
| 7544320 | Method of manufacturing porous ceramic body There is disclosed a method of manufacturing a porous ceramic structure, comprising the steps of: preparing a formed structure using a ceramic material containing a pore former and a binder; and drying and firing the formed structure, wherein the process of firing t... | 06/09/2009 |
| 7287573 | Silicone binders for investment casting A green product for use in fabricating a ceramic article comprises a ceramic powder immobilized within a silicone matrix, wherein the silicone matrix comprises one or more cross linked or polymerized silicone monomers and/or oligomers, wherein the one or more cross ... | 10/30/2007 |
| 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 |
| 7141089 | Magnesium aluminum silicate structures for DPF applications A ceramic filter for trapping and combusting diesel exhaust particulates composed of an end-plugged cordierite honeycomb structure exhibiting a pore size distribution as determined by mercury porosimetry in which the quantity d50/(d50+d90 | 11/28/2006 |
| 7033537 | Process for producing continuous alumina fiber blanket A process for producing a continuous alumina fiber blanket by heat treating an alumina fiber precursor formed from a spinning solution containing an aluminum compound, by using a specific high-temperature furnace capable of high-temperature heat treatment. According... | 04/25/2006 |
| 7022274 | Gas sintered carbon block and method The present invention relates to an effective and rapid method and apparatus for sintering carbon filter blocks having a polymeric binder. The method employs direct contact heat transfer by gas molecule to powder particle, as opposed to conduction heat transfer from... | 04/04/2006 |
| 6878313 | Method of fabricating sintered nuclear fuel compact To furnish stably a sintered nuclear fuel compact of uranium dioxide with a large grain diameter, a fabrication method therefor requires sintering a starting material at two stages in an oxidizing atmosphere and in a reducing atmosphere at relatively low temperature... | 04/12/2005 |
| 6852392 | Porous sheet, fiber composite sheet and processes for the production thereof A porous sheet is provided suitable for use as a substitute for natural leather for shoes, clothes, and a fiber composite sheet. The porous sheet is formed of an elastic polymer, has a thickness of 10 to 500 μm, and has 500 to 15,000 fine pores mm2 insid... | 02/08/2005 |
| 6841119 | Method to obtain a refractory composite material based on carbide A method to obtain a refractory carbide-based composite material, in particular as an article of a predetermined shape includes the following steps: molding of a porous blank from a mixture of powders of at least one carbide-forming metal and/or non-metal and at lea... | 01/11/2005 |
| 6783706 | Method for dry process recycling of mixed (U,Pu)O2 oxide nuclear fuel waste A method for dry process recycling of mixed (U,Pu)O2 oxide nuclear fuel waste, including a process for making fuel pellets of mixed (U,Pu)O2 oxide, including a dosage and a first mixture (1) of waste in powder form and, if required, of P... | 08/31/2004 |
| 6777114 | Silicon carbide-based porous body and process for production thereof It is directed to a silicon carbide-based porous body, wherein said body is a porous one which contains silicon carbide particles as an aggregate and metallic silicon, and has an oxygen-containing phase at the surfaces of silicon carbide particles and/or metallic si... | 08/17/2004 |
| 6777360 | Ceramic material, method of producing same, and formed product thereof A ceramic material suitable for use in production of paving tiles, construction tiles, flooring in offices, flooring in machinery plants and so forth is obtained by a method comprising steps of mixing defatted bran derived from rice bran with a thermosetting resin b... | 08/17/2004 |
| 6773479 | Particulate filter for diesel engines A particulate filter for diesel engines comprises a metal shell or casing inside which is set a filtering body made of ceramic foam. The filtering body is made up of a plurality of separate elements made of ceramic foam and having a substantially plane and elongated... | 08/10/2004 |
| 6723274 | High-purity low-resistivity electrostatic chucks The volume resistivity of a body consisting essentially of aluminum nitride is reduced by exposing the body to a soak temperature of at least about 1000° C. in an atmosphere deficient in nitrogen, such as an atmosphere consisting essentially of argon. The body can ... | 04/20/2004 |
| 6676887 | Oxidation resistant carbon composites with improved friction performance and methods for making and using them An oxidation resistant carbon composite material comprises nanocrystalline silicon carbide regions distributed throughout a carbon matrix. The composite is prepared by intermixing in a solvent a silicon carbide precursor and a carbon precursor and forming... | 01/13/2004 |
| 6592805 | Method for producing sintered electroceramic materials from hydroxide and oxalate precursors A method for producing electroceramic materials of high sintered density from hydroxide and/or oxalate precursors is disclosed. In this method the precursor(s) are compacted to form a preform, thermally treated, recompacted and then sintered to form finis... | 07/15/2003 |
| 6492042 | Ceramics material and producing the same The invention is a method of producing a ceramics material comprising the steps of: preparing a raw powder in which alumina particles having an average particle diameter of 0.1-1.0 μare doped with at least magnesia of 0.01-1 weight % and a solution conta... | 12/10/2002 |
| 6479420 | Ceramics and their power for scintillators, and method for producing same A sintered ceramic for a scintillator having a composition represented by the general formula of Gd3-x Cex Aly Siz Ga5-y-z O12, wherein 0.001ࣘxࣘ0.05, 1ࣘyࣘ4, and 0.0015ࣘzࣘ0.03, i... | 11/12/2002 |
| 6458315 | Process for producing a Si/C/N ceramic body A process for producing crack-free shaped ceramic bodies based on Si/C/N by hot pressing of crosslinked polysilazane powder and subsequent pyrolysis of the hot-pressed shaped body employs a pressing temperature higher than the temperature maximum of the T... | 10/01/2002 |
| 6451722 | Method for manufacturing artificial reef based on industrial waste A method for manufacturing an artificial reef based on industrial waste is disclosed. Industrial wastes, including red mud, blast furnace slag, the sludges from the factories of refining raw ore, broken pieces of glass, the stone powders from the anti-pol... | 09/17/2002 |
| 6403511 | Process for making isotropic negative thermal expansion ceramics Ceramic monoliths are described which exhibit tunable coefficients of thermal expansion from about -5 to -11×10-6° C.-1 near ambient temperatures. These two-phase ceramics, which are fabricated, for example, by reactive sintering o... | 06/11/2002 |
| 6355587 | Quartz glass products and methods for making same The application discloses a number of unique sintered quartz glass products together with new silica compositions and processes for making and using such products. Nitrided clear and opaque nitrided quartz products are disclosed having incredible physical... | 03/12/2002 |
| 6294125 | Method for changing the dielectric properties of a ceramic matrix composite A method for changing the dielectric properties of a polymer impregnated and pyrolyzed ceramic matrix composite (polymer impregnated and pyrolyzed ceramic matrix composite) is disclosed. The polymer impregnated and pyrolyzed ceramic matrix composite can b... | 09/25/2001 |
| 6284694 | Moulded spherical ceramic body, production process and use The present invention concerns a moulded microcrystalline spherical Al2 O3 - sintered body, process for its production as well as use.... | 09/04/2001 |
| 6225249 | Aluminum nitride sintered body, method of producing thereof, electrostatic chuck, susceptor, dummy wafer, clamp ring and particle catcher using the same The aluminum nitride sintered body of the invention has a thermal conductivity equivalent to that of a high purity aluminum nitride sintered body and a volume resistivity of 1014 Ω.multidot.cm or less, and is composed of aluminum nitride phase... | 05/01/2001 |
| 6214069 | Process for the manufacture of a sintered, ceramic abrasive and grinding tools with this abrasive An economical process for the manufacture of a polycrystalline, sintered, ceramic abrasive from a powder raw material is described, which process is characterized by the following process steps: preparation of a slip largely free from polymerizing and/or ... | 04/10/2001 |
| 6187253 | Method of preparing indium oxide/tin oxide target for cathodic sputtering An indium oxide/tin oxide powder with 5-15 wt. % tin oxide is subjected to an annealing treatment at Tࣙ1, 000° C. and is then partially reduced and subjected to hot isostatic pressing to produce a sputtering target with a density of at least 95% of the... | 02/13/2001 |
| 6187706 | Silicon nitride sintered body and method of producing the same There is disclosed a silicon nitride sintered body produced by sintering a molded article which comprises a mixture of a silicon nitride powder as the main component and plural kinds of sintering additives, wherein said silicon nitride powder is set to be... | 02/13/2001 |
| 6162386 | Method for manufacturing silicon nitride sintered body The present invention provides a silicon nitride sintered body having characteristics such as excellent wear resistance, a method for manufacturing the sintered body, and a cutting insert formed thereof. The silicon nitride sintered body is formed of a po... | 12/19/2000 |
| 6066584 | Sintered Al2 O3 material, process for its production and use of the material The invention relates to the field of ceramics and concerns sintered Al.s2 O3 compositions produced from corundum powder and also methods for the use of the invented compositions as medical implants or tool material. To produce such materials,... | 05/23/2000 |
| 6048199 | Tunnel kiln for firing ceramic honeycomb bodies A tunnel kiln for firing ceramic honeycomb structural body comprising a vestibule region, a carbonaceous material release region located downstream of the vestibule region and a sintering region located downstream of the carbonaceous material release regi... | 04/11/2000 |
| 6017485 | Process for making a low electrical resistivity, high purity aluminum nitride electrostatic chuck A controlled dielectric loss, sintered aluminum nitride body having a density of greater than about 95% theoretical, a thermal conductivity of greater than about 100 W/m-K, and a dissipation factor measured at room temperature at about 1 KHz selected from... | 01/25/2000 |
| 6012304 | Sintered quartz glass products and methods for making same A number of unique processes are disclosed for manufacture of sintered high-purity quartz glass products in which a shaped silica body or preform is made from an aqueous slurry of micronized silica particles by gel casting, slip casting or electrophoretic... | 01/11/2000 |
| 5948713 | Cristobalite-free mullite grain and method of producing same A method of calcining kaolin, comprising the steps of: a) producing a clay slurry comprised of water and kaolin clay of a specific particle size; b) mixing a water insoluble potassium containing glass forming compound into the clay slurry in an amount wherein ... | 09/07/1999 |
| 5911945 | Method for in-situ environment sensitive sealing and/or product controlling A single furnace loading cycle method for sintering at least one product comprises placing at least one product into a ventable/sealable box, and placing the box within the furnace. The box is vented inside the furnace at a first temperature range and the... | 06/15/1999 |
| 5824262 | Method for preparation of a catalyst for purifying exhaust gas These methods relate to the preparation of a YBa2 Cu3 O7 -d catalyst for purifying an exhaust gas. The method comprises steps of mixing Y2 O3, Ba2 CO3 and CuO at a mole ratio of ... | 10/20/1998 |
| 5800611 | Method for making large area single crystal silicon sheets A single crystal silicon sheet is formed from a polycrystalline sheet by melting a relatively small portion of the sheet at an initial location and defining a single crystallographic orientation for the silicon by placing a small silicon seed crystal in c... | 09/01/1998 |
| 5756042 | Process for producing non-oxidic ceramic having a defined thermal conductivity A process is proposed for producing non-oxidic ceramic having a thermal conductivity in a predetermined range. A shaped body of non-oxidic ceramic material is heated to remove organic constituents, and is subsequently thermally treated in an oxygen-contai... | 05/26/1998 |
| 5665127 | Process for producing sintered -Al2 O3 bodies and their use Microcrystalline bodies based on -Al2 O3 are made by drying sub-micron powders, press compacting and shock sintering at an intermediate sinter temperature range of 1,300° to 1,550° C., i.e. bringing the compact up to such ra... | 09/09/1997 |
| 5326519 | Process of preparing zirconium oxide-containing ceramic formed bodies The present invention provides a zirconium oxide-containing ceramic formed body, wherein it is also free from amorphous phases on the grain boundaries and triple points, displays a shrinkage of less than 5% in comparison with its green body and is obtaina... | 07/05/1994 |
