	US 12,214,060 B2
	Glazing composition for a dental zirconia article, process of sintering and kit of parts
Michael Jahns, Gilching (DE); Jacqueline C. Rolf, River Falls, WI (US); Martin Goetzinger, Pflugdorf (DE); and Holger Hauptmann, Sindelsdorf (DE)
Assigned to Solventum Intellectual Properties, Maplewood, MN (US)
Appl. No. 17/273,042
Filed by Solventum Intellectual Properties Company, Maplewood, MN (US)
PCT Filed Aug. 22, 2019, PCT No. PCT/IB2019/057095 § 371(c)(1), (2) Date Mar. 3, 2021, PCT Pub. No. WO2020/049393, PCT Pub. Date Mar. 12, 2020.
Claims priority of application No. 18192463 (EP), filed on Sep. 4, 2018.
Prior Publication US 2021/0322283 A1, Oct. 21, 2021
Int. Cl. A61K 6/20 (2020.01); A61C 13/00 (2006.01); A61C 19/10 (2006.01); A61K 6/17 (2020.01); A61K 6/76 (2020.01); A61K 6/77 (2020.01); A61K 6/836 (2020.01); C03C 3/06 (2006.01); C03C 8/14 (2006.01); C03C 8/16 (2006.01)

CPC A61K 6/20 (2020.01) [A61C 13/0022 (2013.01); A61C 19/10 (2013.01); A61K 6/17 (2020.01); A61K 6/76 (2020.01); A61K 6/77 (2020.01); A61K 6/836 (2020.01); C03C 3/06 (2013.01); C03C 8/14 (2013.01); C03C 8/16 (2013.01); A61C 2201/00 (2013.01)]

16 Claims

1. A glazing composition for a porous dental zirconia article, the glazing composition comprising

liquid,

glass particles, and

hydrophilic silica nano-particles characterized by:

unsilanized,

a particle size (D50) from 10 nm to 70 nm, and

a BET surface from 20 m²/g to 500 m²/g,

the hydrophilic silica nano-particles being present in an amount of 0.1 wt % to 5 wt % with respect to the weight of the glazing composition.