US 12,084,380 B2
Glass composition with nickel to reduce energy consumption during its melting step
Michel Bogaerts, Braine-le-Chateau (BE)
Assigned to AGC GLASS EUROPE, Louvain-la-Neuve (BE)
Appl. No. 16/975,518
Filed by AGC GLASS EUROPE, Louvain-la-Neuve (BE)
PCT Filed Feb. 15, 2019, PCT No. PCT/EP2019/053881
§ 371(c)(1), (2) Date Aug. 25, 2020,
PCT Pub. No. WO2019/166247, PCT Pub. Date Sep. 6, 2019.
Claims priority of application No. 18159205 (EP), filed on Feb. 28, 2018.
Prior Publication US 2020/0399164 A1, Dec. 24, 2020
Int. Cl. C03C 3/087 (2006.01); C03C 13/00 (2006.01)
CPC C03C 3/087 (2013.01) [C03C 13/00 (2013.01); C03C 2213/00 (2013.01)] 20 Claims
 
1. A glass composition comprising the following components in weight percentage, expressed with respect to the total weight of the glass composition:
 
 
 
 SiO2    50-85%
 
 Al2O3     0-30%
 
 B2O3     0-20%
 
 Na2O     0-25%
 
 CaO     0-25%
 
 MgO     0-15%
 
 K2O     0-20%
 
 BaO     0-20%
 
 Fe2O3 total 0.002-0.1%
 
 
wherein the glass composition further comprises nickel, expressed as NiO, at a level of 0.0005% to 0.0020% by weight.