The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 03, 2021
Filed:
Jun. 04, 2020
Applicant:
Kuraray Noritake Dental Inc., Kurashiki, JP;
Inventors:
Yoshihisa Ito, Miyoshi, JP;
Yasutaka Kudo, Miyoshi, JP;
Assignee:
KURARAY NORITAKE DENTAL INC., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 18/00 (2006.01); A61C 7/14 (2006.01); A61C 13/083 (2006.01); A61C 13/08 (2006.01); C04B 35/486 (2006.01); A61C 8/00 (2006.01); A61C 13/00 (2006.01); A61C 13/09 (2006.01);
U.S. Cl.
CPC ...
B32B 18/00 (2013.01); A61C 7/14 (2013.01); A61C 8/0012 (2013.01); A61C 13/082 (2013.01); A61C 13/083 (2013.01); C04B 35/486 (2013.01); A61C 13/0022 (2013.01); A61C 13/09 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3225 (2013.01); C04B 2235/3232 (2013.01); C04B 2235/3239 (2013.01); C04B 2235/3246 (2013.01); C04B 2235/3248 (2013.01); C04B 2235/3279 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/9653 (2013.01); C04B 2235/9661 (2013.01);
Abstract
A zirconia composition, a zirconia semi-sintered body, a zirconia sintered body, and a dental product are provided. The zirconia sintered body contains 4 mol % to 7 mol % of yttria as stabilizer, and a shielding material. The zirconia sintered body comprises first region and second region having a higher content ratio of the shielding material than the first region. Difference between content ratio of yttria in the first region and that of yttria in the second region is 1 mol % or less.