US 7,482,295 B2
Clear glass composition with high visible transmittance
Ksenia A. Landa, Grosse Ile, Mich. (US); Leonid Landa, Grosse Ile, Mich. (US); Richard Hulme, Rochester Hills, Mich. (US); and Scott V. Thomsen, Milford, Mich. (US)
Assigned to Guardian Industries Corp., Auburn Hills, Mich. (US)
Filed on Sep. 29, 2006, as Appl. No. 11/529,297.
Application 11/529297 is a division of application No. 10/667975, filed on Sep. 23, 2003, granted, now 7,169,722.
Application 10/336859 is a division of application No. 10/056051, filed on Jan. 28, 2002, granted, now 6,610,622.
Application 10/667975 is a continuation in part of application No. 10/457552, filed on Jun. 10, 2003, granted, now 6,949,484.
Application 10/457552 is a continuation in part of application No. 10/336859, filed on Jan. 06, 2003, granted, now 7,144,837.
Prior Publication US 2007/0021289 A1, Jan. 25, 2007
This patent is subject to a terminal disclaimer.
Int. Cl. C03C 3/087 (2006.01); C03C 3/095 (2006.01)
U.S. Cl. 501—71  [501/64] 10 Claims
 
1. A glass comprising:
   
  total iron (expressed Fe2O3):  0.01 to 0.20%
  cobalt oxide: 0.1 to 15 ppm
  glass redox: <=0.12
   
wherein the glass has a visible transmission of at least about 85%, the glass is decolorized so as to have a* and b* values from −0.5 to +0.5, and wherein the glass includes one of 0.07%, 0.06% or 0% cerium oxide.