Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Patent
1992-11-13
1997-01-14
Bell, Mark L.
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
651341, 651343, C03C 3087, C03B 516
Patent
active
055939295
ABSTRACT:
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% TiO.sub.2 and greater than 0.6% total iron (expressed as Fe.sub.2 O.sub.3) 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.
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Gulotta Joseph A.
Krumwiede John F.
Shelestak Larry J.
Bell Mark L.
PPG Industries Inc.
Sample David
Siminerio Andrew C.
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