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Compositions: ceramic May archived by USPTO category 05/09

20090137379 - Float glass for display substrate and method for producing it: A float glass for a display substrate, characterized in that its composition consists essentially of, as represented by mass % based on oxide, from 52 to 62% of SiO2, from 5 to 15% of Al2O3, from more than 0% to 9% of MgO, from 3 to 12% of CaO, from... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090137380 - Sintered alumina product transparent to infrared radiation and in the visible region: f

20090137381 - Dielectric ceramic composition and method of production thereof: said sintering aid comprises, with respect to 100 wt % of said sintering aid, 30 to 69 wt % of manganese compound in terms of MnO, 1 to 20 wt % of aluminum oxide in terms of Al2O3, and 30 to 50 wt % of silicon oxide in terms of... Agent: Oliff & Berridge, PLC

20090131238 - Glass composition and process for producing glass composition: A glass composition which is reduced in the amount of residual bubbles and is produced using smaller amounts of an environmentally unfriendly component such as arsenic oxide and antimony oxide. This glass composition contains, in terms of mass %: 40-70% SiO2; 5-20% B2O3; 10-25% Al2O3; 0-10% MgO; 0-20% CaO; 0-20%... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20090131239 - Base glass composition for graded-refractive-index rod lens and graded-refractive-index rod lens produced from the same: g

20090131240 - Optical glass: A glass composition that simultaneously has a low temperature coefficient of refractive index and a good light transmittance, being suitable for use in environments of intense temperature change. There is provided an optical glass containing SiO2, B2O3 and La2O3, which has a temperature coefficient (20° to 40° C.) of relative... Agent: Squire, Sanders & Dempsey L.L.P.

20090131241 - Refractory materials: Refractory materials are provided which contain P2O5/R2O3 constituents, where R is Y, Sc, Er, Lu, Yb, Tm, Ho, Dy, Tb, Gd, or a combination thereof, and/or V2O5/R′2O3 constituents where R′ is Y, Sc, one or more rare earth elements, or a combination thereof. In certain embodiments, the refractory materials are... Agent: Corning Incorporated

20090124480 - Clear glass composition with high visible transmittance: A high transmittance fairly clear/neutral colored glass composition is provided. An oxidizing agent(s) such as cerium oxide (e.g., CeO2) or the like is added to the glass batch in order to realize very oxidized conditions (i.e., to significantly lower the redox of the resulting glass). As a result of the... Agent: Nixon & Vanderhye, PC

20090124481 - Optical glass: An optical glass having high refractive index and low dispersion properties. There is provided an optical glass having an Abbe number (νd) and a refractive index (nd) in a region indicated by a shape bound by connecting three points, A(53, 1.70), B(53, 1.87), and C(40, 1.87) with straight lines on... Agent: Squire, Sanders & Dempsey L.L.P.

20090124482 - High-frequency dielectric material: There is provided a high-frequency dielectric material that has a high relative permittivity, a high Q value, and a TCF property value close to zero (0) and can realize co-firing of the dielectric material with silver (Ag) and copper (Cu). The high-frequency dielectric material is characterized by comprising a composition... Agent: The Webb Law Firm, P.C.

20090124483 - Metal compound dots dielectric piece: A dielectric piece includes an energy barrier layer and a plurality of crystalline metal compound dots distributed in the energy barrier layer. The material of the crystalline metal compound dots is different from that of the energy barrier layer. Due to its capability of retaining charges, the dielectric piece of... Agent: Jianq Chyun Intellectual Property Office

20090118113 - Crystallized glass: In all of an in-plane magnetic recording system and a perpendicular magnetic recording system, there is provided a crystallized glass for a disk substrate for information recording medium, etc., which has satisfactory surface properties capable of sufficiently adapting with a lamp loading system for high-density recording, has high strength such... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090118114 - Bioactive graded zirconia-based structures: The present invention provides a functionally graded bioactive glass/ceramic composite structure or bioactive glass/ceramic/bioactive glass sandwich structure for use in such applications as damage resistant, ceramic dental implants, immediate tooth replacement, endodontic posts, orthopedic prostheses, orthopedic stems, bone substitutes, bone screws, plates, and anchors, nonunion fractures repair, alveolar ridge augmentation,... Agent: Klauber & Jackson

20090118115 - Use of tio2 residues from the sulfate process: TIO2 residues from a sulfate method are used in metallurgical processes or as a component of fireproof materials.... Agent: Fulbright & Jaworski, LLP