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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 Halogen Or Nitrogen And Halogen Or NitrogenAnd Halogen Or Nitrogen 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.06/08/06 - 20060122050 - Stretched glass with high birefringence The invention is directed to a birefringent glass having a R2O—Al2O3—B2O3—SiO2 base composition, where R2O represents alkali metal oxides, and a precipitated silver halide phase with a volume fraction of at least 0.001. The birefringent glass composition of the invention can be used to produce monolithic zero-order wave plates having ... 05/18/06 - 20060105899 - Furnace with series-arranged baths for producing glass compounds having a low degree of unmelted material The invention relates to a furnace for the continuous melting of a composition comprising silica, the said furnace comprising at least two tanks in series, said tanks each comprising at least one burner submerged in the melt. The invention also relates to the process for manufacturing compositions comprising silica using ... ### FreshPatents.com Support |