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:
Jun. 30, 2026
Filed:
Oct. 24, 2023
Applicant:
Corning Incorporated, Corning, NY (US);
Inventors:
George Halsey Beall, Big Flats, NY (US);
Qiang Fu, Painted Post, NY (US);
Charlene Marie Smith, Corning, NY (US);
Assignee:
CORNING INCORPORATED, Corning, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 10/00 (2006.01); A61K 6/818 (2020.01); A61K 6/822 (2020.01); A61K 6/824 (2020.01); A61K 6/827 (2020.01); A61K 6/833 (2020.01); A61K 6/836 (2020.01); C03B 32/02 (2006.01); C03C 3/097 (2006.01); C03C 4/00 (2006.01); C03C 4/16 (2006.01); C03C 14/00 (2006.01);
U.S. Cl.
CPC ...
C03C 10/0027 (2013.01); A61K 6/818 (2020.01); A61K 6/822 (2020.01); A61K 6/824 (2020.01); A61K 6/827 (2020.01); A61K 6/833 (2020.01); A61K 6/836 (2020.01); C03B 32/02 (2013.01); C03C 3/097 (2013.01); C03C 4/0021 (2013.01); C03C 4/16 (2013.01); C03C 10/0009 (2013.01); C03C 14/004 (2013.01); C03C 2214/04 (2013.01); C03C 2214/20 (2013.01); C03C 2214/30 (2013.01);
Abstract
ZrO-toughened glass ceramics having high molar fractions of tetragonal ZrOand fracture toughness value of greater than 1.8 MPa·m. The glass ceramic may also include also contain other secondary phases, including lithium silicates, that may be beneficial for toughening or for strengthening through an ion exchange process. Additional second phases may also decrease the coefficient of thermal expansion of the glass ceramic. A method of making such glass ceramics is also provided.