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:
May. 21, 2024
Filed:
Nov. 30, 2023
Applicant:
Schott Ag, Mainz, DE;
Inventors:
Thomas Schmiady, Jena, DE;
Thomas Seuthe, Jena, DE;
Jörg Hessenkemper, Jena, DE;
Sebastian Leukel, Mainz, DE;
Susanne Krüger, Mainz, DE;
Assignee:
SCHOTT AG, Mainz, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 3/097 (2006.01); C03B 17/06 (2006.01); C03C 3/083 (2006.01); C03C 3/085 (2006.01); C03C 3/087 (2006.01); C03C 3/091 (2006.01); C03C 3/093 (2006.01); C03C 21/00 (2006.01);
U.S. Cl.
CPC ...
C03C 3/097 (2013.01); C03B 17/064 (2013.01); C03C 3/083 (2013.01); C03C 3/085 (2013.01); C03C 3/087 (2013.01); C03C 3/091 (2013.01); C03C 3/093 (2013.01); C03C 21/002 (2013.01);
Abstract
A hot-formed, chemically prestressable glass article having a low percentage of crystals or crystallites, in particular a plate-shaped, chemically prestressable glass article, as well as to a method and a device for its production are provided. The glass article has a composition including the components SiO, AlO, and LiO and a content of seed formers (ZrO, SnO, and TiO) of at least 0.8 wt %, as well as at most ten crystals, including crystallites, per kilogram of glass, which have a maximum diameter greater than 1 μm and up to at most 5 μm.