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US 12,714,651 B2Granted
Zirconia composition, partially sintered material and sintered material and methods for production thereof, and laminate
AssigneeKuraray Noritake Dental Inc.
InventorYoshihisa Ito
Life of this patent
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Abstract
A composition may include granules in which zirconia particles are aggregated. The granules may have an average circularity of 0.81 or greater based on a projected image. The zirconia crystal system of the zirconia particles may be 20% or more monoclinic. An angle of repose of the composition, measured in accordance with JIS R9301-2-2, may be in a range of from 20 degrees to 35 degrees.
Claims20
A composition, comprising:
- granules comprising aggregated zirconia particles,
- wherein the granules have an average circularity of 0.81 or greater, based on a projected image, and
- wherein a zirconia crystal system of the zirconia particles has 20% or more of a monoclinic system.
Dependencies are inferred from the claim text.