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:
Sep. 05, 2023
Filed:
Apr. 27, 2021
Applicant:
Tosoh Corporation, Yamaguchi, JP;
Inventors:
Kiyotaka Kawamura, Yamaguchi, JP;
Akiko Ito, Yamaguchi, JP;
Hiroyuki Fujisaki, Yamaguchi, JP;
Sho Azechi, Yamaguchi, JP;
Assignee:
TOSOH CORPORATION, Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/488 (2006.01); A61C 13/083 (2006.01); C04B 35/64 (2006.01);
U.S. Cl.
CPC ...
C04B 35/4885 (2013.01); A61C 13/083 (2013.01); C04B 35/64 (2013.01); A61C 2201/002 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3246 (2013.01); C04B 2235/656 (2013.01); C04B 2235/785 (2013.01); C04B 2235/786 (2013.01);
Abstract
A method for manufacturing a zirconia sintered body includes molding a powder composition that has a yttria content of more than 3% by mole and 5.2% by mole or less and that contains a first zirconia powder having a yttria content of 2% by mole or more and 4% by mole or less and a second zirconia powder having a yttria content of more than 4% by mole and 6% by mole or less to obtain a green body, and sintering the green body to obtain a sintered body.