	US 11,939,260 B2
	High strain point and high young's modulus glasses
Venkatesh Botu, Corning, NY (US); Xiaoju Guo, Pittsford, NY (US); Ellen Anne King, Savona, NY (US); Lisa Ann Lamberson, Painted Post, NY (US); Adama Tandia, Corning, NY (US); Kochuparambil Deenamma Vargheese, Horseheads, NY (US); and Jingshi Wu, Painted Post, NY (US)
Assigned to Corning Incorporated, Corning, NY (US)
Filed by CORNING INCORPORATED, Corning, NY (US)
Filed on Aug. 12, 2022, as Appl. No. 17/886,690.
Application 17/886,690 is a division of application No. 17/254,237, granted, now 11,420,897, previously published as PCT/US2019/036280, filed on Jun. 10, 2019.
Claims priority of provisional application 62/686,850, filed on Jun. 19, 2018.
Prior Publication US 2022/0396518 A1, Dec. 15, 2022
Int. Cl. C03C 3/087 (2006.01); C03C 3/091 (2006.01); C03C 3/095 (2006.01); G02F 1/1333 (2006.01)

CPC C03C 3/087 (2013.01) [C03C 3/091 (2013.01); C03C 3/095 (2013.01); G02F 1/133302 (2021.01); G02F 2202/09 (2013.01)]

10 Claims

1. A glass comprising in mole percent on an oxide basis:

SiO₂69-74,

Al₂O₃11-14,

B₂O₃0-3,

MgO 4-7,

CaO 5-7,

SrO 0-2.01, and

BaO 1.91-5,

wherein the glass has a strain point greater than 752° C. and a Young's modulus greater than 83.56 GPa, and wherein the glass is free of Fe₂O₃.