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:
Apr. 05, 2022
Filed:
Jun. 26, 2019
Applicant:
Vitro Flat Glass Llc, Cheswick, PA (US);
Inventors:
John Rich, Allison Park, PA (US);
Alan Miller, Gibsonia, PA (US);
José Guadalupe Cid-Aguilar, Nuevo Leon, MX;
Assignee:
Vitro Flat Glass LLC, Cheswick, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 3/087 (2006.01); C03C 3/078 (2006.01); C03C 4/08 (2006.01);
U.S. Cl.
CPC ...
C03C 3/087 (2013.01); C03C 3/078 (2013.01); C03C 4/085 (2013.01); C03C 2203/10 (2013.01);
Abstract
A glass composition includes a base glass portion comprising: 65-75 wt % SiO; 5-15 wt % CaO; 0-5 wt % MgO; 0-5 wt % KO; 10-14 wt % NaO; and 1-5 wt % AlO; wherein the glass composition has a ratio of NaO to AlOis in the range of 9.5-12.5 wt %/wt %.