SEARCH:      Monitor Keywords |  Custom RSS

Compositions: ceramic March listing by industry category 03/09

20090082189 - Optical glass: An optical glass having a refractive index (nd) within a range from 1.825 to 1.870, an Abbe number (νd) within a range from 22 to less than 27, a transformation temperature (Tg) within a range from 530° C. to 585° C. and an mean coefficient of linear thermal expansion (α)... Agent: Hedman & Costigan P.C.

20090082190 - Optical glass: A high-refractive index, low-dispersion optical glass which is small in a change of imaging properties due to a change in temperature of the use environment, specifically one capable of realizing an absolute value of multiplication (α×β) of an average coefficient of linear expansion (α) at from −30 to +70° C.... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090082191 - Boron carbide ceramic and manufacturing method thereof: Boron carbide ceramics produced by spark sintering methods have more desirable mechanical properties than conventionally produced carbides. The boron carbide ceramics include amorphous boron, amorphous carbon, and Al2O3 powder as a sintering aid. The boron carbides may also contain a carbon nano fiber in a nearly homogeneously dispersed state. The... Agent: Foley & Lardner LLP

20090082192 - Dielectric ceramic composition, electronic device, and multilayer ceramic capacitor: A dielectric ceramic composition comprised of at least dielectric particles having barium titanate as its main ingredient, wherein the ratio of dielectric particles having a surface diffusion structure comprised of a main ingredient phase comprised of the main ingredient and a diffusion phase present around the main ingredient phase with... Agent: Oliff & Berridge, PLC

20090075802 - Glass-ceramic seals for use in solid oxide fuel cells: The invention is directed to highly crystalline, frit-sintered glass-ceramic materials and seals made using them that are suitable for solid oxide fuel cell applications. The seals have a coefficient of thermal expansion in the range of 70-130×10−7° C., preferably 85-115×10−7° C. The glass-ceramic materials have a crystalline component and a... Agent: Corning Incorporated

20090075803 - Method and article from aluminum oxide glass and articles made therefrom: A method of making an article from an aluminum oxide glass is disclosed. The aluminum oxide glass includes zirconium oxide and either calcium oxide or strontium oxide. The aluminum oxide glass has a glass transition temperature and a crystallization temperature, and these temperatures differ by at least 25K. The method... Agent: 3m Innovative Properties Company

20090075804 - Method of making glass-ceramic and articles made therefrom: A method of making a glass-ceramic from at least two different metal oxides is disclosed. The method includes providing the two different metal oxides as a glass, heating the glass above the glass transition temperature of the glass to form a coalesced shape; and heating the coalesced shape to a... Agent: 3m Innovative Properties Company

20090075805 - Ultraviolet ray transmitting glass composition and glass article making use of the same: An ultraviolet ray transmitting glass composition including the following components, in terms of mass % or mass ppm: 60 to 79% SiO2; 0 to 1% B2O3; exceeded 0% but not more than 20% Al2O3; 0 to 10% Li2O; 5 to 20% Na2O; 0 to 15% K2O; 0 to 10% MgO;... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20090075806 - Optical glass: The invention provides an optical glass which comprises, in terms of % by mass on the basis of oxides, 35-45% of SiO2, 12-20% of B2O3, 2-7% of Li2O, 0.1-10% of ZnO, 2-15% of Al2O3, 10-40% of BaO, 0-5% of K2O, 0-10% of Na2O, and 0-20% of Gd2O3, wherein SiO2+B2O3 is... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090075807 - Method and article from aluminum oxide glass and articles made therefrom: A method of making an article from an aluminum oxide glass is disclosed. The aluminum oxide glass includes a rare earth oxide. The aluminum oxide glass has a glass transition temperature and a crystallization temperature, and these temperatures differ by at least 25K. The method includes: providing a glass in... Agent: 3m Innovative Properties Company

20090075808 - Refractory, method for manufacturing refractory, and refractory raw material: In a carbon-containing refractory composed of a refractory aggregate, a carbon based raw material, and a carbon bond connecting between the refractory aggregate or the carbon based raw material, transition metal-containing nanoparticles having particle diameters of 1,000 nm or less and containing a transition metal are contained in the above-described... Agent: Edwards Angell Palmer & Dodge LLP

20090075809 - Mold system for the casting of reactive alloys: The present invention relates to novel binder and slurry formulations used to form molds for casting metal alloys and, more particularly, reactive metal alloys. The shell molds lead to more uniform castings which exhibit limited alpha case as compared to other currently available shell mold systems.... Agent: Harness, Dickey & Pierce, P.L.C

20090075810 - Translucent ceramic, optical component, and optical device: Provided is a translucent ceramic which has a high Abbe number, is advantageous in aberration correction, and can be easily produced. The translucent ceramic contains, as a main component, a garnet type compound represented by the General Formula: Y3AlvOw, wherein the condition of 4.4≦v≦5.4 is satisfied and w is a... Agent: Dickstein Shapiro LLP

20090075812 - Alumina-silica-based fiber, ceramic fiber, ceramic fiber complex, retaining seal material, production method thereof, and alumina fiber complex production method: A manufacturing method by which alumina-silica based fibers excellent in mechanical strength can be readily and securely obtained. The method obtains precursor fibers as a material by using an alumina-silica based fiber spinning stock solution for use in an inorganic salt method. Next, the precursor fibers are heated under an... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090075811 - Conductive ceramic material and production method thereof: 12CaO.7Al2O3 polycrystal having high conductivity is provided. It has become obvious that the conductivity of the 12CaO.7Al2O3 polycrystal becomes 100 [S/cm] or more by controlling a nitrogen content in the 12CaO.7Al2O3 polycrystal within a range of 0.3 to 1.1 [wt %], and that the conductivity becomes 150 [S/cm] or more... Agent: Burr & Brown

20090069162 - Glass composition: P

20090069163 - Tough cordierite glass-ceramics: An internally nucleated, toughened cordierite glass-ceramic is disclosed. The cordierite glass-ceramic has good oxidation resistance and fracture toughness and coefficient of thermal expansion rivaling that of silicon nitride. The glass-ceramic may be cast as a liquid. Annealing produces a material of high crystallinity combining high hardness, high Young's modulus, good... Agent: Corning Incorporated

20090069164 - Glass package that is hermetically sealed with a frit and method of fabrication: A hermetically sealed glass package preform is provided comprising a glass substrate; a frit comprising 65-100 wt. % of a base glass and about 0-35 wt. % of a filler; wherein the base glass comprises: about 0-5 mole % K2O; about 0-35 mole % Sb2O3; about 0-20 mole % ZnO;... Agent: Corning Incorporated

20090069165 - Optical glass containing bismuth oxide: Optical glass having a refractive index (nd) of 1.75 or greater, and an Abbe number (νd) falling within the range of 15 to 40, which is suitable for molding by precision mold press is provided. The optical glass is characterized by including B2O3+SiO2 in an amount of 10 to 70%,... Agent: Squire, Sanders & Dempsey L.L.P.

20090069166 - Optical glass containing bismuth oxide: Optical glass having a refractive index (nd) of 1.85 or greater, and an Abbe number (νd) falling within the range of 10 to 30, which is suited for molding by precision mold press is provided. The optical glass is characterized by including B2O3+SiO2 in an amount of 3 to 60%,... Agent: Squire, Sanders & Dempsey L.L.P.

20090069167 - Method of obtaining porous ceramics: t

20090069168 - Method of converting pca to sapphire and converted article: Polycrystalline alumina (PCA) that has been doped with magnesium oxide is converted to sapphire by additionally doping the PCA with boron oxide and sintering to induce abnormal grain growth. The boron oxide may be added to an already formed green PCA ceramic shape by applying an aqueous boric acid solution... Agent: Osram Sylvania Inc

20090069169 - Method of making carbon/ceramic matrix composites: A method of making high performance friction materials with tailored levels of a ceramic hard phase to achieve optimum thermal conductivity, friction coefficient and wear performance of composite brake materials. In accordance with one method of the invention specific end-use application friction requirements are satisfied by tailoring the level of... Agent: James E. Brunton, Esq.

20090062101 - Optical glass: An optical glass of the present invention has optical constants of a refractive index (nd) within a range from 1.75 to 1.85 and an Abbe number (ν d) within a range from 35 to 45, comprises SiO2 and B2O3 as essential components and one or more components selected from the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090062102 - Photomachinable glass compositions having tunable photosensitivity: The invention is directed to photomachinable glass compositions having a controllable or tunable photosensitivity, and to a method for making such compositions. The compositions of the invention contain titania (TiO2) in an amount in the range of greater than 0.01 wt. % to 2 wt. % added to any known... Agent: Corning Incorporated

20090062103 - Grey glass composition: e

20090062104 - Grey glass composition:

20090062105 - Method of firing green bodies into porous ceramic articles: A method of forming a porous ceramic article having a narrow pore distribution includes heating a green body containing ceramic forming raw materials in a firing environment that raising the temperature of the firing environment to a peak temperature, then reducing the temperature to a hold temperature in order to... Agent: Corning Incorporated

20090062106 - Hollow piece for producing a sintered refractory product exhibiting improved bubbling behaviour: The invention relates to a hollow piece for producing a sintered refractory having the following mean mineral chemical composition in weight percent based of mineral oxides: 40%=Al2O3=94%, 0%=ZrO2=41%, 2%=SiO2=22%, 1%<Y2O3+V2O5+TiO2+Sb2O3+Yb2O3+Na2O.... Agent: Young & Thompson

20090062107 - Translucent ceramic and electro-optical component: A translucent ceramic contains a main component composed of a tungsten-bronze-type compound represented by a general formula {(Sr, Ba)NbvOw} (wherein v satisfies the relationship 1.8≦v≦2.2 and w represents a positive number for maintaining electrical neutrality), wherein some Nb atoms are replaced with atoms of at least one of Zn and... Agent: Dickstein Shapiro LLP