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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 > Nonsilicate Oxide Glasses > Phosphorus Containing > And Aluminum Or Beryllium And Aluminum Or BerylliumAnd Aluminum Or Beryllium 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.08/03/06 - 20060172877 - Antimicrobial phosphate glass The invention relates to an antimicrobial phosphate glass having the following composition in percent by weight on an oxide basis: P2O5>66-80 percent by weight; SO30-40 percent by weight; B203 0-1 percent by weight; Al2O3>6.2-10 percent by weight; SiO2 0-10 percent by weight; Na2O>9-20 percent by weight; CaO 0-25 percent by ... 07/21/05 - 20050159291 - Optical glass and process for making precise-pressed optical elements therefrom as well as said optical elements The lead-free, preferably lithium-free, optical glass is useful in imaging, projection, telecommunications, optical communication and/or laser technology, particularly for making precise-pressed optical elements. It has a refractive index nd of 1.50 to 1.57, an Abbé number νd of 61 to 70. It also has a low transformation temperature of about ... 06/30/05 - 20050143250 - Optical glass, preform for press molding and optical element An optical glass has optical constants represented by a refractive index (nd) of 1.46 to 1.58 and an Abbe's number (νd) of 65 to 74, has excellent hot preform shapeability, low softenability and excellent climate resistance, and comprises, by mol %, 45 to 65% of P2O5, 8 to 19% of ... ### FreshPatents.com Support |