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US 12,214,060 B2Granted
Glazing composition for a dental zirconia article, process of sintering and kit of parts
AssigneeSolventum Intellectual Properties Company
InventorsMichael Jahns, Jacqueline C. Rolf, Martin Goetzinger, Holger Hauptmann
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Abstract
The invention relates to a glazing composition suitable for glazing the surface a dental zirconia article. The glazing composition comprises a liquid, glass particles, and hydrophilic silica nano-particles. The invention also relates to a process for sintering a porous dental zirconia article with a glazing composition on its surface.
Claims16
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.
4 more elements
Dependencies are inferred from the claim text.