	US 12,116,320 B2
	Zirconia sintered body having high linear light transmittance
Yasutaka Kudo, Aichi (JP)
Assigned to KURARAY NORITAKE DENTAL INC., Kurashiki (JP)
Appl. No. 17/436,238
Filed by KURARAY NORITAKE DENTAL INC., Kurashiki (JP)
PCT Filed Mar. 5, 2020, PCT No. PCT/JP2020/009484 § 371(c)(1), (2) Date Sep. 3, 2021, PCT Pub. No. WO2020/179876, PCT Pub. Date Sep. 10, 2020.
Claims priority of application No. 2019-040981 (JP), filed on Mar. 6, 2019.
Prior Publication US 2022/0153649 A1, May 19, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C04B 35/488 (2006.01); C04B 35/64 (2006.01); C09K 11/02 (2006.01)

CPC C04B 35/488 (2013.01) [C04B 35/64 (2013.01); C09K 11/02 (2013.01); C04B 2235/3246 (2013.01); C04B 2235/5454 (2013.01); C04B 2235/656 (2013.01); C04B 2235/661 (2013.01); C04B 2235/76 (2013.01); C04B 2235/762 (2013.01); C04B 2235/765 (2013.01); C04B 2235/96 (2013.01); C04B 2235/9646 (2013.01); C04B 2235/9653 (2013.01); C04B 2235/9661 (2013.01)]

16 Claims

1. A zirconia molded body, comprising:

zirconia particles comprising 2.0 to 9.0 mol % yttria, having an average primary particle diameter of 60 nm or less, and including 0.5 mass % or less zirconia particles having a particle diameter of more than 100 nm,

wherein the zirconia molded body has a ΔL*(W−B) of 5 or more through a thickness of 1.5 mm.