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:
Dec. 27, 2022
Filed:
Sep. 20, 2017
Applicant:
Kuraray Noritake Dental Inc., Kurashiki, JP;
Inventor:
Yoshihisa Ito, Miyoshi, JP;
Assignee:
KURARAY NORITAKE DENTAL INC., Kurashiki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 35/48 (2006.01); A61C 5/73 (2017.01);
U.S. Cl.
CPC ...
C04B 35/48 (2013.01); A61C 5/73 (2017.02); C04B 2235/3225 (2013.01); C04B 2235/785 (2013.01); C04B 2235/9646 (2013.01);
Abstract
A composition comprises a zirconia powder, in which 55% or more thereof is monoclinic, and a stabilizer capable of suppressing phase transition of zirconia. An average particle diameter of zirconia particles and particles of the stabilizer is 0.06 μm to 0.17 μm. At least a portion of the stabilizer does not form a solid solution with zirconia.