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.

Date of Patent:
Apr. 28, 2026

Filed:

Oct. 06, 2021
Applicant:

Daiichi Kigenso Kagaku Kogyo Co., Ltd., Osaka, JP;

Inventor:

Masayuki Takai, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 35/488 (2006.01); C01G 25/00 (2006.01);
U.S. Cl.
CPC ...
C04B 35/488 (2013.01); C01G 25/006 (2013.01); C04B 2235/3208 (2013.01); C04B 2235/3224 (2013.01); C04B 2235/3246 (2013.01); C04B 2235/5436 (2013.01);
Abstract

A zirconia powder in which when a stabilizer is YO, a content thereof is 1.4 mol % or more and less than 2.0 mol %; when the stabilizer is ErO, a content thereof is 1.4 mol % or more and 1.8 mol % or less; when the stabilizer is YbO, a content thereof is 1.4 mol % or more and 1.8 mol % or less; and when the stabilizer is CaO, a content thereof is 3.5 mol % or more and 4.5 mol % or less; and in a range of 10 nm or more and 200 nm or less in a pore distribution, a peak top diameter of a pore volume distribution is 20 nm or more and 120 nm or less, a pore volume is 0.2 ml/g or more and less than 0.5 ml/g, and a pore distribution width is 30 nm or more and 170 nm or less.


Find Patent Forward Citations

Quick Actions:

Takai, Masayuki. (2026). Zirconia powder, zirconia sintered body, and method for producing zirconia sintered body (U.S. Patent No. 12612338). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12612338

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…