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. 14, 2025
Filed:
Mar. 20, 2022
Corning Incorporated, Corning, NY (US);
Paul Stephen Danielson, Dundee, NY (US);
Steven Edward DeMartino, Painted Post, NY (US);
Melinda Ann Drake, Corning, NY (US);
Robert Michael Morena, Lindley, NY (US);
Santona Pal, Painted Post, NY (US);
Robert Anthony Schaut, Painted Post, NY (US);
Corning Incorporated, Corning, NY (US);
Abstract
The embodiments described herein relate to chemically and mechanically durable glass compositions and glass articles formed from the same. In embodiments, the glass composition may include 74-78 mol. % SiO; X mol. % AlO, wherein X is 5-7; alkaline earth oxide comprising MgO and CaO, wherein: CaO is 0.1-1.0 mol. %; MgO is 4-7 mol. %; and a ratio (CaO (mol. %)/(CaO (mol. %)+MgO (mol. %)) is less than or equal to 0.5. The glass composition may further include Y mol. % alkali oxide, wherein the alkali oxide comprises 9-13 mol. % NaO and less than or equal to 0.4 mol. % of a fining agent. The glass composition may be free of boron and compounds of boron.