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:
Mar. 17, 2026
Filed:
Aug. 07, 2019
Applicant:
Tosoh Corporation, Yamaguchi, JP;
Inventors:
Assignee:
TOSOH CORPORATION, Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/64 (2006.01); B32B 18/00 (2006.01); C04B 35/488 (2006.01);
U.S. Cl.
CPC ...
C04B 35/64 (2013.01); B32B 18/00 (2013.01); C04B 35/488 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3225 (2013.01); C04B 2235/3229 (2013.01); C04B 2235/785 (2013.01); C04B 2235/9661 (2013.01); C04B 2237/348 (2013.01);
Abstract
A complex sintered body includes a lamination of a layer composed of a zirconia sintered body containing 0.5% or more by mole and less than 4% by mole of an oxide of cerium in terms of CeO, 2% or more by mole and less than 6% by mole of yttria and 0.1% or more by mass and less than 2% by mass of an oxide of aluminum; and at least one of a layer composed of a zirconia-based sintered body containing 2.0% or more by mass and 20.0% or less by mass of an oxide of aluminum, and a layer composed of a zirconia-based sintered body containing 2% or more by mole and less than 6% by mole of yttria and a coloring agent.