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:
Nov. 08, 2011
Filed:
Feb. 26, 2009
Friedrich Siebers, Nierstein, DE;
Hans-werner Beudt, Wiesbaden, DE;
Bernd Rüdinger, Wörrstadt, DE;
Gerbard Lautenschläger, Jena, DE;
Klaus Schneider, Apolda, DE;
Michael Jacquorie, Rheinböllen, DE;
Wolfgang Schmidbauer, Mainz-Finthen, DE;
Friedrich Siebers, Nierstein, DE;
Hans-Werner Beudt, Wiesbaden, DE;
Bernd Rüdinger, Wörrstadt, DE;
Gerbard Lautenschläger, Jena, DE;
Klaus Schneider, Apolda, DE;
Michael Jacquorie, Rheinböllen, DE;
Wolfgang Schmidbauer, Mainz-Finthen, DE;
Schott AG, Mainz, DE;
Abstract
An optically detectable, floatable arsenic- and antimony-free, glazable lithium-aluminosilicate glass that can be prestressed and the glass ceramic converted therefrom are described. The glass or the glass ceramic has a composition (in % by weight based on oxide) of essentially SiO55-69, AlO19-25, LiO 3.2-5, NaO 0-1.5, KO 0-1.5, MgO 0-2.2, CaO 0-2.0, SrO 0-2.0, BaO 0-2.5, ZnO 0-<1.5, TiO1-3, ZrO1-2.5, SnO0.1-<1, ΣTiO+ZrO+SnO2.5-5, PO0-3, NdO0.01-0.6, CoO 0-0.005, F 0-1, BO0-2.