The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 14, 2006
Filed:
Aug. 31, 2001
Paige L. Higby, Maumee, OH (US);
Bret E. Penrod, Toledo, OH (US);
Rodney G. Baker, Maumee, OH (US);
Kenneth Melvin Fyles, Wigan, GB;
Helen Louise Mcphail, Nr Wigan, GB;
Paige L. Higby, Maumee, OH (US);
Bret E. Penrod, Toledo, OH (US);
Rodney G. Baker, Maumee, OH (US);
Kenneth Melvin Fyles, Wigan, GB;
Helen Louise McPhail, Nr Wigan, GB;
Pilkington PLC, St. Helens, GB;
Pilkington North America, Inc., Toledo, OH (US);
Abstract
An infrared and ultraviolet absorbing soda-lime-silica glass of a neutral tint containing 0.3% to 0.7% by weight total iron expressed as FeO, together with amounts of Se, CoOand a ferrous iron content to provide a ratio of ferrous iron to total iron in the range of 21 to 34. NiO and TiOmay be added to the glass. The resultant glass, in a nominal 4 mm thickness, has a visible light transmission of at least 70% and a direct solar heat transmission at least 12 percentage points below the visible light transmission. The iron in the glass is preferably provided by the inclusion of the mineral wuestite in the glass batch formulation.