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. 08, 2011
Filed:
Mar. 21, 2005
Laurent Teyssedre, Bourg la Reine, FR;
Lionel Homo, Coye la Foret, FR;
Laurent Teyssedre, Bourg la Reine, FR;
Lionel Homo, Coye la Foret, FR;
Saint-Gobain Glass France, Courbevoie, FR;
Abstract
The invention relates to a dark gray soda-lime silicate glass composition which includes a coloring part essentially consisting of the compounds below in contents varying within the following weight limits: or said composition being free of selenium, having a redox of 0.40 or less, and the glass having a light transmission factor (T) under illuminant A of 50% or less and an overall energy transmission factor (T) of less than 45%, these being measured for a thickness of 3.85 mm. The invention also relates to glass sheets, optionally thermally toughened, obtained from the aforementioned composition and to glazing comprising at least one of these sheets, especially as 'privacy' windows for automobiles.