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| Number | Title | Issue Date |
| 7691766 | Material, particularly for an optical component for use in microlithography, and method for making a blank from the material The invention is concerned with a material which shows low absorption for UV radiation having a wavelength below 250 nm, low birefringence, high chemical resistance and high radiation resistance and which is therefore particularly usable for making optical component... | 04/06/2010 |
| 7427387 | High-purity quartz powder, process for producing the same, and glass molding Subjects for the invention are to obtain a quartz powder having a high purity and high quality and a process for producing the same and to obtain a glass molding formed by melting and molding the powder and extremely reduced in bubble inclusion. The invention... | 09/23/2008 |
| 7404840 | Chemically stabilized β-cristobalite and ceramic bodies comprising same A method for rigidifying a fiber-based paper substrate for use in the exhaust system of a combustion device. In the method, a green ceramic fiber-based paper substrate is impregnated with an impregnating dispersion. The impregnated substrate is then dried, calcined ... | 07/29/2008 |
| 7381673 | Composite material, wafer holding member and method for manufacturing the same A composite material according to the present invention, is composed of SiC, SiO2, at least one out of Al and Si, with He leak rate of 1.3×10−10 Pa·m3/sec or below, thereby providing a composite material, which has a higher vacuu... | 06/03/2008 |
| 7297650 | Method for producing low-loss tunable ceramic composites with improved breakdown strengths The production of low-loss, tunable composite ceramic materials with improved breakdown strengths is disclosed. The composite materials comprise ferroelectric perovskites such as barium strontium titanate or other ferroelectric perovskites combined with other phases... | 11/20/2007 |
| 7267889 | Sprayable composition The present invention provides a sprayable composition comprising a ceramic particulate including albite, illite, and quart, and a metallic composition, including nickel, chromium, iron, and silicon. The sprayable composition may be a composite particle, a blend, or... | 09/11/2007 |
| 7247588 | Zirconia toughened alumina ESD safe ceramic composition, component, and methods for making same ESD safe ceramic component is provided which includes a sintered composition which is formed of a base material and a resistivity modifier. The base material includes a primary component and a secondary component, the primary component including Al2O... | 07/24/2007 |
| 7204971 | Shaped microcomponents via reactive conversion of biologically-derived microtemplates The present invention is focused on a revolutionary, low-cost (highly-scaleable) approach for the mass production of three-dimensional microcomponents: the biological reproduction of naturally-derived, biocatalytically-derived, and/or genetically-tailored three-dime... | 04/17/2007 |
| 7160826 | Dielectric porcelain composition and dielectric resonator using the composition A dielectric porcelain composition includes MgTiO3 and Mg2SiO4 and satisfies a+b=1 and 0 | 01/09/2007 |
| 7151068 | Sintered object of silicon monoxide and method for producing the same A sintered object of silicon monoxide for use as a material for forming silicon oxide thin films is provided of which the evaporation residue as determined by subjecting a sample thereof to thermogravimetry at a heating temperature of 1,300° C. and in a vacuum atmo... | 12/19/2006 |
| 7101821 | Silicon composition This invention provides a silicon composition comprising at least 15 wt % of hydrolysed silicon compounds and at least 3 wt % of a binder material. The silicon composition is used in the manufacture of ceramics. The hydrolysed silicon compounds can for example be th... | 09/05/2006 |
| 7090894 | Bondcoat for the application of TBC's and wear coatings to oxide ceramic matrix A bond coat composition is provided for applying to the surface of a ceramic composite component between the composite substrate and the thermal barrier coat. The composition includes an alumina powder, a silica-yielding liquid, glass frits, and sufficient solvent t... | 08/15/2006 |
| 7087656 | High temperature SiCN and SiC-type nanostructured ceramic material from block copolymer mesophases A block copolymer, preferably a block copolymer such as poly(isoprene-block-ethylene oxide), PI-b-PEO, is used as a structure directing agent for a polymer derived ceramic (PDC) precursor, preferably a silazane, most preferably a silazane commercially known as Ceras... | 08/08/2006 |
| 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 |
| 7074731 | Method for producing hydrogen-doped silica powder, hydrogen-doped silica powder obtained from that method for use in a quartz glass crucible It is an object of the present invention to provide a hydrogen-doped silica powder that is useful in the formation of a quartz glass crucible that is capable of pulling a silicon single crystal without causing a state having dislocations in the silicon single crysta... | 07/11/2006 |
| 7067104 | Shaped microcomponent via reactive conversion of biologically-derived microtemplates The present invention is focused on a revolutionary, low-cost (highly-scaleable) approach for the mass production of three-dimensional microcomponents: the biological reproduction of naturally-derived, biocatalytically-derived, and/or genetically-tailored three-dime... | 06/27/2006 |
| 7063826 | High-purity quartz powder, process for producing the same, and glass molding Subjects for the invention are to obtain a quartz powder having a high purity and high quality and a process for producing the same and to obtain a glass molding formed by melting and molding the powder and extremely reduced in bubble inclusion. The invention... | 06/20/2006 |
| 7060239 | Quasicrystalline alloys and their use as coatings The present invention relates to an icosahedral, quasicrystalline compound or compound present in the form of an approximant having the nominal composition: TivCrwAlxSiyOz, in which v=60-65; w=25-30; x=0-6; Y=8-... | 06/13/2006 |
| 7045006 | Ceramic coating material and method of manufacturing the same A method of manufacturing a ceramic coating material which includes stirring a material including a complex oxide in the presence of a catalyst containing platinum group elements. The material is a sol-gel material which includes at least one of a hydrolysate and a ... | 05/16/2006 |
| 7041366 | Porous silicon nitride ceramics and method for producing the same The invention provides porous silicon nitride ceramics that having uniform, fine closed pores and a manufacturing method thereof. Metal Si powder is mixed with a sintering additive, followed by thermal treatment, which is a pre-process for forming a specific grain b... | 05/09/2006 |
| 7037870 | Ceramic sintered body and process for producing the same A ceramic sintered body comprising from 90 to 99.8% by volume of cordierite and from 0.2 to 10% by volume of mullite based on 100% by weight of a total sum of the contents of the cordierite and the mullite, and having a density of 2.48 g/cm3 or more. ... | 05/02/2006 |
| 6987077 | Fired spinel complex oxide and method for preparing the same A fired spinel complex oxide is produced by firing a mixture containing a slag by-produced in chromium refining, a reducer, and a silica-containing material, and is essentially composed of: 29 to 40 percent by weight of Fe2O3; 15 to 20 percent ... | 01/17/2006 |
| 6974566 | Method for producing mixed metal oxides and metal oxide compounds A process to produce mixed metal oxides and metal oxide compounds. The process includes evaporating a feed solution that contains at least two metal salts to form an intermediate. The evaporation is conducted at a temperature above the boiling point of the feed solu... | 12/13/2005 |
| 6949239 | Process for production of macrostructures of a microporous material The invention involves a process for production of macrostructures of a microporous material. The process is characterized by the fact that seeds formed in or introduced by ion exchange or adsorption to a porous organic ion exchanger with the desired size, shape and... | 09/27/2005 |
| 6933255 | Beta-spodumene ceramics for high temperature applications A method of preparing beta-spodumene bodies from a plastic batch comprised entirely of minerals, absent a glass component. The resulting structure has a stoichiometry of 1:1:4 (Li2O:Al2O3:SiO2) to 1:1:11 (Li2O:A... | 08/23/2005 |
| 6908879 | Ceramic article, carrier for catalyst, methods for production thereof, catalyst for producing ethylene oxide using the carrier, and method for producing ethylene oxide A ceramic article is disclosed which contains aluminum, silicon, and titanium in a total amount of at least 99% by weight as reduced to the oxides (Al2O3+SiO2+TiO2) and assumes an acidic color in methyl red, an indicator o... | 06/21/2005 |
| 6905993 | Zirconia based sintered body excellent in durability and wear resistant parts using the same The present invention relates to a zirconia based sintered body excellent in durability, characterized in that in Y2O3-toughened zirconia based sintered body, (a) ZrO2 contained therein is mainly co... | 06/14/2005 |
| 6893728 | Low temperature-fired porcelain and electronic parts The present invention provides a low temperature fired porcelain comprising crystalline phases including sanbornite, celsian and β-cristobalite phases when measured by a high power X-ray diffractometer. The ratio of the peak intensity of (101) plane of α-cristobal... | 05/17/2005 |
| 6890878 | Catalyst formulation comprising ceramic foam material Provided is a catalyst formulation which exhibits extended catalyst life. The formulation comprises a mixture of a ceramic foam material uniformly interspersed between the solid catalyst particles, with the volume percent of ceramic material in the mixture preferabl... | 05/10/2005 |
| 6887920 | Fillings and composite dental materials containing the fillings The present invention provides a filler which has high water resistance and high acid resistance, and high releasing abilities of ions such as fluorine ions, and can maintain high aesthetic appreciation for a long period of time, and a dental composite material comp... | 05/03/2005 |
| 6881691 | Use of zeolites in preparing low temperature ceramics A dielectric ceramic article precursor and a process for preparing a dielectric ceramic article are presented. The ceramic article precursor comprises a crystalline aluminosilicate zeolite or an amorphous aluminosilicate, a zinc oxide additive and a glass phase. The... | 04/19/2005 |
| 6872677 | Brick additives and methods for using same A brick additive and methods for using the brick additive are disclosed. The additive may include an internal porosity. The internal porosity may display an intra-granular internal porosity in which at least some of the pores are interconnected via an open network o... | 03/29/2005 |
| 6864198 | Cordierite ceramic body and method A cordierite ceramic body having (i) a pore size distribution and a porosity which satisfy the relationship 10.2474/[(d50)2(pore fraction)]+0.0366183(d90)−0.00040119(d90)2+0.468815(1/pore fraction)2... | 03/08/2005 |
| 6827916 | Method of making silica A preparation method of silica, especially superfine silica, with water glass and carbon dioxide as major raw materials in a carbonization reaction conducted under a high gravity field, typically in a Higee reactor. ... | 12/07/2004 |
| 6818579 | Granular ceramic material with high porosity A ceramic material, includes SiO2 and Na2O and/or K2O. The material is characterized by a porosity of over 60% and by pores, more than 70% of which have a pore size ranging between 0.1 and 15 μm. The ceramic material can be used as ... | 11/16/2004 |
| 6815038 | Honeycomb structure A honeycomb structure constituted by cell partition walls (ribs) which form combined cells being composed of a plurality of cells adjacent to each other, and a honeycomb outer wall surrounding and holding outermost... | 11/09/2004 |
| 6787239 | Electrode material, dielectric material and plasma display panel using them A material usable for the electrodes and the dielectric layer plasma display panels and capable of reducing the occurrence of yellowing and a high-image-quality plasma display panel using the material are provided. Using glass powder containing 25 to 50 wt % of Bi | 09/07/2004 |
| 6773618 | Microporous thermal insulation molding containing electric-arc silica A thermal insulation molding having a density of 150-500 kg/m3, includes a thermal insulation material, containing 5%-75% by weight of pyrogenic silica (HDK), 5%-50% by weight of electric-arc silica, 5%-50% by weight of opacifier, wherein the electric-arc... | 08/10/2004 |
| 6767981 | Thermoset and ceramic containing silicon and boron A thermoset polymer has a repeating unit comprising at least one crosslinking group having at least one unsaturated carbon-carbon bond and at least two crosslinking bonds, at least one borate group, at least one silyl group and/or at least one siloxyl group. The the... | 07/27/2004 |
| 6759502 | Synthesis of hyperbranched organometallic polymers and their use as precursors to advanced ceramic materials Hyperbranched organometallic polymers, including poly [1,1′-ferrocenylenesilynes], poly [1,1′-ferrocenylene-(alkyl)silynes], poly [1,1′-ferrocenylene(alkenyl)silynes] and poly [1,1′-ferrocenylene(aromatic)silynes], are useful as precursors to certain ceramic... | 07/06/2004 |
