US 12,391,609 B2
Decorative porous inorganic layer compatible with ion exchange processes
Philippe Lehuede, Dammarie-les-Lys (FR); and Marie Jacqueline Monique Comte, Fontenay aux Roses (FR)
Assigned to CORNING INCORPORATED, Corning, NY (US)
Filed by CORNING INCORPORATED, Corning, NY (US)
Filed on Dec. 20, 2022, as Appl. No. 18/084,873.
Application 18/084,873 is a continuation of application No. 14/768,832, granted, now 11,554,986, previously published as PCT/US2014/017911, filed on Feb. 24, 2014.
Claims priority of provisional application 61/769,518, filed on Feb. 26, 2013.
Prior Publication US 2023/0183129 A1, Jun. 15, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. C03C 21/00 (2006.01); C03C 3/04 (2006.01); C03C 3/16 (2006.01); C03C 3/17 (2006.01); C03C 3/21 (2006.01); C03C 4/18 (2006.01); C03C 8/08 (2006.01); C03C 8/14 (2006.01); C03C 17/00 (2006.01); C03C 17/04 (2006.01)
CPC C03C 21/002 (2013.01) [C03C 3/04 (2013.01); C03C 3/16 (2013.01); C03C 3/17 (2013.01); C03C 3/21 (2013.01); C03C 4/18 (2013.01); C03C 8/08 (2013.01); C03C 8/14 (2013.01); C03C 17/007 (2013.01); C03C 17/04 (2013.01); C03C 2204/00 (2013.01); C03C 2207/00 (2013.01); C03C 2217/23 (2013.01); C03C 2217/425 (2013.01); C03C 2217/72 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A glass article comprising:
a glass substrate comprising a surface; and
a porous inorganic layer disposed on the surface, wherein:
the porous inorganic layer comprises a thickness that is greater than or equal to 10 μm and less than or equal to 40 μm and is less than a thickness of the glass substrate,
thicknesses of the porous inorganic layer and the glass substrate are measured in the same direction,
the porous inorganic layer comprises a glass frit matrix, and
the glass frit matrix comprises a composition comprising:
from about 0 to about 10 mol % Al2O3;
from about 0 to about 10 mol % CoO;
from about 5 to about 25 mol % Na2O;
from about 0 to about 15 mol % K2O;
from about 0 to about 10 mol % V2O5;
from about 0 to about 8 mol % TiO2;
from about 0 to about 15 mol % ZnO;
from about 0 to about 10 mol % CaO;
from about 20 to about 40 mol % Fe2O3; and
at least about 50 mol % P2O5.
 
11. A glass article comprising:
a glass substrate having a coefficient of thermal expansion (CTE) ranging between about 60×10−7/° C. to about 110×10−7/° C.; and
at least one decorative porous inorganic layer bonded onto at least a portion of a surface of the glass substrate, wherein the at least one decorative porous inorganic layer comprises a crystallizing glass frit having a glass transition temperature (Tg)≥450° C., a glass softening temperature (Ts) ranging from 525° C. to 650° C., wherein the difference in CTE values between the glass substrate and the at least one decorative porous inorganic layer is within 10×10 7/° C.;
wherein the at least one decorative porous inorganic layer comprises:
a d90 particle size diameter that is ≤40 μm;
a d50 particle size diameter that is ≤15 μm;
from about 0 to about 10 mol % Al2O3;
from about 0 to about 10 mol % CoO;
from about 5 to about 25 mol % Na2O;
from about 0 to about 15 mol % K2O;
from about 0 to about 10 mol % V2O5;
from about 0 to about 8 mol % TiO2;
from about 0 to about 15 mol % ZnO;
from about 0 to about 10 mol % CaO;
from about 20 to about 40 mol % Fe2O3; and
at least about 50 mol % P2O5.