C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 4/08 (2006.01) C03C 3/083 (2006.01) C03C 3/087 (2006.01) C03C 4/02 (2006.01)
Patent
CA 2109059
A green tinted, ultraviolet absorbing glass is disclosed having a standard soda-lime-silica base glass composition and a colorant portion consisting essentially of on a weight basis: less than 2.0% TiO2 and greater than 0.6% total iron (expressed as Fe2O3) with the ratio of FeO/total iron less than 0.35. The glass exhibits an ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and a luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Gulotta Joseph A.
Krumwiede John F.
Shelestak Larry J.
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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