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:
Jul. 04, 2017
Filed:
May. 12, 2015
Corning Incorporated, Corning, NY (US);
Andrea Weiss Bookbinder, Corning, NY (US);
Dana Craig Bookbinder, Corning, NY (US);
Timothy Michael Gross, Corning, NY (US);
Pushkar Tandon, Painted Post, NY (US);
CORNING INCORPORATED, Corning, NY (US);
Abstract
Alkali-free glasses are disclosed having (in weight %) 50≦SiO≦80%, 2≦AlO≦17%, 8≦BO≦36%, and greater than or equal to 2% and less than or equal to 25% of at least one of CaO, MgO, BaO, SrO or ZnO. The alkali-free glasses can have a surface layer with greater than 0.2 weight % N. Such alkali-free glasses are achieved by nitriding processes and exhibit increased strength, scratch resistance and chemical durability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile