Title:
ZIRCONIA POWDER, SINTERED ZIRCONIA OBJECT, AND METHOD FOR PRODUCING SINTERED ZIRCONIA OBJECT
Document Type and Number:
WIPO Patent Application WO/2023/190119
Kind Code:
A1
Abstract:
A zirconia powder comprising stabilized zirconia which comprises zirconia and stabilizers, wherein the stabilizers comprise a first stabilizer and a second stabilizer, the first stabilizer being CaO and the second stabilizer being one or more oxides selected from the group consisting of Y2O3, Yb2O3, Er2O3, CeO2, Nd2O3, La2O3, and Tb2O3, the sum of the stabilizers contained in the stabilized zirconia is 2.5-6.5 mol% in terms of oxide amount, and the [CaO amount (mol%)]/[sum of stabilizers (mol%)] proportion is 50-98%.
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Inventors:
TANAKA SATOSHI (JP)
KANENISHI KEITA (JP)
KANENISHI KEITA (JP)
Application Number:
PCT/JP2023/011743
Publication Date:
October 05, 2023
Filing Date:
March 24, 2023
Export Citation:
Assignee:
DAIICHI KIGENSO KAGAKU KOGYO (JP)
International Classes:
C04B35/486; C01G25/02
Domestic Patent References:
| WO2021153211A1 | 2021-08-05 |
Foreign References:
| JPS6278113A | 1987-04-10 | |||
| JP2015137187A | 2015-07-30 | |||
| JPH02157157A | 1990-06-15 | |||
| JPH03159960A | 1991-07-09 | |||
| JPH05254933A | 1993-10-05 | |||
| US4619817A | 1986-10-28 | |||
| JPH10194831A | 1998-07-28 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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