US 11,691,390 B2
Light-weight hybrid glass laminates
Thomas Michael Cleary, Elmira, NY (US); Timothy Scott Huten, Big Flats, NY (US); and Michael John Moore, Asheville, NC (US)
Assigned to Corning Incorporated, Corning, NY (US)
Filed by CORNING INCORPORATED, Corning, NY (US)
Filed on Aug. 13, 2021, as Appl. No. 17/401,980.
Application 17/401,980 is a continuation of application No. 16/002,194, filed on Jun. 7, 2018, abandoned.
Application 16/002,194 is a continuation of application No. 15/207,993, filed on Jul. 12, 2016, granted, now 10,035,332, issued on Jul. 31, 2018.
Application 15/207,993 is a continuation of application No. 13/937,707, filed on Jul. 9, 2013, granted, now 9,616,641, issued on Apr. 11, 2017.
Application 13/937,707 is a continuation in part of application No. 13/247,182, filed on Sep. 28, 2011, granted, now 10,035,331.
Claims priority of provisional application 61/500,766, filed on Jun. 24, 2011.
Prior Publication US 2021/0370647 A1, Dec. 2, 2021
Int. Cl. B32B 17/10 (2006.01)
CPC B32B 17/10091 (2013.01) [B32B 17/10036 (2013.01); B32B 17/10119 (2013.01); B32B 17/10137 (2013.01); B32B 17/10761 (2013.01); B32B 2605/006 (2013.01); Y10T 428/24967 (2015.01)] 17 Claims
OG exemplary drawing
 
1. A laminated glass article, comprising:
a non-chemically strengthened external glass sheet comprising a thickness of 2.5 mm or more, the external glass sheet providing an open convex surface of the laminated glass article;
a chemically strengthened internal glass sheet comprising an alkali aluminosilicate glass, a thickness in a range from about 0.5 mm to about 1.5 mm, and a total alkaline earth metal oxide content of at least 5 wt. %, the internal glass sheet providing an open concave surface of the laminated glass article; and
at least one polymer interlayer between the external and internal glass sheets, wherein both the non-chemically strengthened external glass sheet and the chemically strengthened internal glass sheet comprise distinct radii of curvature in two independent directions.