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Patent Searching and Data


Title:
ZIRCONIA COMPOSITION, ZIRCONIA CALCINED BODY, ZIRCONIA SINTERED BODY, AND DENTAL PRODUCT
Document Type and Number:
WIPO Patent Application WO/2016/104724
Kind Code:
A1
Abstract:
Provided are a zirconia composition, a zirconia calcined body, a zirconia sintered body, and dental products with minimized defects and varying transparency. The zirconia sintered body comprises 4 to 7 mol% of yttria as a stabilizer. The zirconia sintered body includes a light blocking material. The zirconia sintered body has a first area, and a second area with a higher content rate of the light blocking material than the first area. The difference in the content rate of yttria in the first area and the content rate of yttria in the second area is 1 mol% or less.

Inventors:
ITO YOSHIHISA (JP)
KUDO YASUTAKA (JP)
Application Number:
PCT/JP2015/086272
Publication Date:
June 30, 2016
Filing Date:
December 25, 2015
Export Citation:
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Assignee:
KURARAY NORITAKE DENTAL INC (JP)
International Classes:
C04B35/48; A61C5/08; A61C5/70; A61C7/14; A61C8/00; A61C13/083
Domestic Patent References:
WO2014181828A12014-11-13
Foreign References:
JP2007314536A2007-12-06
JPH11100305A1999-04-13
JP2007126360A2007-05-24
JP2004035332A2004-02-05
Other References:
See also references of EP 3246300A4
Attorney, Agent or Firm:
KATO, Asamichi (JP)
Asamichi Kato (JP)
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