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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 Nonsilicate Oxide GlassesNonsilicate Oxide Glasses 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.06/30/05 - 20050143249 - Security labels which are difficult to counterfeit A system for tagging articles. A glass is fabricated from (1) a combination of oxides and (2) one or more rare earth elements. The glass is divided into particles or fragments, which are attached to the article. When the particles are excited by specific radiation, they emit a characteristic signature, ... ### FreshPatents.com Support |