US 12,134,580 B2
Aluminoborosilicate glass substantially free of alkali oxides
Adam James Ellison, Corning, NY (US); Jason Sanger Frackenpohl, Corning, NY (US); John Christopher Mauro, Boalsburg, PA (US); Douglas Miles Noni, Jr., Horseheads, NY (US); and Natesan Venkataraman, Painted Post, NY (US)
Assigned to CORNING INCORPORATED, Corning, NY (US)
Filed by CORNING INCORPORATED, Corning, NY (US)
Filed on Oct. 4, 2021, as Appl. No. 17/492,772.
Application 17/492,772 is a continuation of application No. 17/221,926, filed on Apr. 5, 2021, granted, now 11,168,018.
Application 17/221,926 is a continuation of application No. 16/142,814, filed on Sep. 26, 2018, granted, now 10,988,405, issued on Apr. 27, 2021.
Application 16/142,814 is a continuation of application No. 15/136,189, filed on Apr. 22, 2016, granted, now 10,112,865, issued on Oct. 30, 2018.
Application 15/136,189 is a continuation of application No. 14/458,565, filed on Aug. 13, 2014, granted, now 9,346,705, issued on May 24, 2016.
Claims priority of provisional application 61/878,829, filed on Sep. 17, 2013.
Claims priority of provisional application 61/866,168, filed on Aug. 15, 2013.
Prior Publication US 2022/0024804 A1, Jan. 27, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C03C 3/091 (2006.01); B32B 17/00 (2006.01); B32B 17/06 (2006.01); C03B 17/02 (2006.01); C03C 3/085 (2006.01); C03C 3/087 (2006.01); C03C 13/04 (2006.01)
CPC C03C 3/091 (2013.01) [B32B 17/00 (2013.01); B32B 17/06 (2013.01); B32B 2457/20 (2013.01); C03B 17/02 (2013.01); C03C 3/085 (2013.01); C03C 3/087 (2013.01); C03C 13/046 (2013.01); Y02P 40/57 (2015.11)] 14 Claims
 
1. A glass comprising:
60 mol %≤SiO2≤66 mol %;
7 mol %≤Al2O3≤10 mol %;
20.87 mol %≤B2O3≤30 mol %;
SrO, MgO, and CaO each >0 mol %,
wherein (SrO+MgO+CaO)≤16 mol %; and
wherein the glass comprises less than 1 mol % of alkali metal oxides.