C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 4/02 (2006.01) C03C 3/087 (2006.01)
Patent
CA 2148663
This invention is directed to the production of a transparent glass which, in a thickness of 4 mm, exhibits a champagne color as defined by chromaticity coordinates (Illuminant C) within the ranges x 0.3166 - 0.3281 y 0.3211 - 0.3305 Y 77-88, said glass consisting essentially, by weight, of 0.05-0.25% iron oxide, expressed in terms of Fe2O3, >25-175 ppm nickel oxide, expressed in terms of NiO, and >10-100 ppm Se in a soda lime silicate base composition.
Corning Incorporated
Gowling Lafleur Henderson Llp
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