Patent ID: 8361915
Filing Date: 2013-01-29
Classification: C03C

Abstract:
1. A glass composition comprising a base glass composition, and a modifying portion consisting essentially of: from about 0.005 to about 0.08% wt of Fe 2 O 3 , from 0.00002 to about 0.0004% wt of Se, from about 0.00003 to about 0.0010% wt of Co 3 O 4 , from 0.0001 to 0.005% wt of CuO, from about 0 to about 0.6% wt of CeO 2 , from 0.02 to about 1% wt of TiO 2 , and from about 0.6 to about 1.8% wt of NaNO 3 , wherein the glass at a thickness of about 4 mm, has a visible light transmission of at least 87%; a ultraviolet radiation transmittance less than 85%; a solar direct transmittance of no more than 90%; and a dominant wavelength of at least 491 nm.