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.

Date of Patent:
Oct. 27, 2026

Filed:

Nov. 12, 2024
Applicant:

Corning Incorporated, Corning, NY (US);

Inventors:

Timothy Michael Gross, Painted Post, NY (US);

Alexandra Lai Ching Kao Andrews Mitchell, Ithaca, NY (US);

Jamie Vargeson, Painted Post, NY (US);

Wendell Porter Weeks, Jr., Rochester, NY (US);

Assignee:

CORNING INCORPORATED, Corning, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 21/00 (2006.01);
U.S. Cl.
CPC ...
C03C 21/002 (2013.01); C03C 2201/50 (2013.01); Y10T 428/315 (2015.01);
Abstract

A method of manufacturing a strengthened glass article comprises soaking a glass article in a bath comprising molten salt. The molten salt comprises alkali metal ions. During the soaking, the alkali metal ions of the salt are exchanged for smaller alkali metal ions of glass of the glass article and impart a compressive stress in the glass article in an ion-exchanged portion thereof at or near a surface thereof. The glass of the glass article has a strain point temperature of at least 625° C., corresponding to glass viscosity of 10poise. The temperature of the bath is at least 70° C. below the strain point temperature of the glass of the glass article.


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Gross, Timothy. (2026). Method of strengthening glass and such glasses (U.S. Patent No. 12774246). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12774246

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