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:
Sep. 06, 2016
Filed:
Jun. 28, 2011
Applicants:
Dana Craig Bookbinder, Corning, NY (US);
Keith Leonard House, Corning, NY (US);
Pushkar Tandon, Painted Post, NY (US);
Inventors:
Dana Craig Bookbinder, Corning, NY (US);
Keith Leonard House, Corning, NY (US);
Pushkar Tandon, Painted Post, NY (US);
Assignee:
CORNING INCORPORATED, Corning, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 17/00 (2006.01); B32B 7/02 (2006.01); C03B 17/06 (2006.01); C03B 17/02 (2006.01); C03C 3/083 (2006.01); C03C 3/091 (2006.01);
U.S. Cl.
CPC ...
C03B 17/064 (2013.01); C03B 17/02 (2013.01); C03B 17/068 (2013.01); C03C 3/083 (2013.01); C03C 3/091 (2013.01); Y10T 428/2495 (2015.01);
Abstract
Transparent glass sheets having increased mechanical strength include an inner layer surrounded by surface compressive layers wherein the difference of the coefficient of thermal expansion of the inner layer and the surface compressive layer is greater than 50×10° C.and wherein the surface compressive layer has a compressive stress of at least about 300 MPa.