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:
Sep. 27, 2022

Filed:

Jun. 28, 2021
Applicant:

Corning Incorporated, Corning, NY (US);

Inventors:

Ryan Claude Andrews, Elmira, NY (US);

Jill Marie Hall, Elmira, NY (US);

Pascale Oram, Hammondsport, NY (US);

Rostislav Vatchev Roussev, Painted Post, NY (US);

Vitor Marino Schneider, Painted Post, NY (US);

Ljerka Ukrainczyk, Ithaca, NY (US);

Assignee:

CORNING INCORPORATED, Corning, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/04 (2006.01); B32B 17/06 (2006.01); C03C 10/00 (2006.01); C03C 3/085 (2006.01); C03C 3/097 (2006.01); C03C 21/00 (2006.01);
U.S. Cl.
CPC ...
C03C 10/0018 (2013.01); C03C 3/085 (2013.01); C03C 3/097 (2013.01); C03C 21/002 (2013.01);
Abstract

A method of reworking lithium containing ion exchanged glass articles is provided. The method includes a reverse ion exchange process that returns the glass article to approximately the composition of the glass from which the glass article was produced, before being subjected to ion exchange. The reworked glass articles exhibit a KO concentration profile comprising a portion wherein a KO concentration increases to a local KO concentration maximum.


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