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Compositions: Ceramic > Ceramic Compositions > Glass Compositions, Compositions Containing Glass Other Than Those Wherein Glass Is A Bonding Agent, Or Glass Batch Forming Compositions > Silica Containing > 40 Percent - 90 Percent By Weight Silica > And Yttrium Or Rare Earth (i.e., Elements With Atomic Numbers 39 Or 57-71) And Yttrium Or Rare Earth (i.e., Elements With Atomic Numbers 39 Or 57-71)And Yttrium Or Rare Earth (i.e., Elements With Atomic Numbers 39 Or 57-71) patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.02/22/07 - 20070042894 - High strain point glasses A family of glasses from the rare earth alumino-silicate (RE2O3-Al2O3-SiO2) ternary system exhibiting high strain point and low liquidus temperatures; preferably the La2O3 -Al2O3-SiO2 ternary system. The glasses are excellent candidates for electronics applications and have the following composition, expressed in mole percent and calculated from the glass batch on ... 02/08/07 - 20070032366 - Optical glass, precision press molding preform and manufacturing method of the same, optical element and manufacturing method of the same The optical glass has a refractive index of equal to or greater than 1.65 and an Abbé number ranging from 50 to 60. In the optical glass, as molar basis, a ratio of SiO2 content to B2O3 content is greater than 0.5 and equal to or less than 0.90; a ... 02/08/07 - 20070032365 - Glass composition A glass composition for parts of electric lamps is disclosed, which is substantially free of lead and comprises the following components in percentage by weight: SiO2 60-72 Al2O3 1-5 Li2O 0.5-1.5 Na2O 5-9 K2O 3-7 MgO 1-2 CaO 1-3 Sro 1-5 BaO 7-11 Fe2O3 0.03-0.06 Sb2O3 0.1-0.5 CeO2 0.3-0.7 ... 01/25/07 - 20070021288 - Red glass, process for manufacturing red glass, and tinted bulbs and tubes obtained with such a glass The invention relates to a bulk-tinted red glass formed from a glass batch based on a soda-lime-silica composition, to a process for manufacturing red glass and to a bulb obtained from a blank or a tube manufactured with such a glass. The batch comprises, per 100% by weight of the ... 08/04/05 - 20050170944 - High performance blue glass A glass composition for forming a blue colored glass is disclosed. The glass composition is made up of a base glass portion, iron oxide, and at least one first additive compound selected from Nd2O3 in an amount up to 1 weight percent and/or CuO in an amount up to 0.5 ... 07/07/05 - 20050148454 - Sharpcut filter glass and sharpcut filter Glass suited to use in sharpcut filters cutting ultraviolet radiation, and sharpcut filters. The sharpcut filter glass comprises, given as weight percentages: SiO2 50 to 70%, Al2O3 0 to 5%, Li2O 0 to 10%, Na2O 0 to20 %, K2O 0 to 20%, where Li2O+Na2O+K2O comprises 10 to 30%, ZnO 8 ... 07/07/05 - 20050148453 - Coloured soda-lime glass The present invention relates to a coloured soda-lime glass which comprises iron in a quantity which, expressed in weight of the oxide Fe2O3 in relation to the total weight of glass, is greater than or equal to 0.5, and less than or equal to 1.0% (quantity of total iron), a ... ### FreshPatents.com Support |