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:
Apr. 07, 2026
Filed:
Aug. 16, 2019
Applicant:
Ivoclar Vivadent Ag, Schaan, LI;
Inventors:
Assignee:
Ivoclar Vivadent AG, Schaan, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 6/00 (2020.01); A61K 6/02 (2006.01); A61K 6/807 (2020.01); A61K 6/818 (2020.01); A61K 6/822 (2020.01); C04B 41/00 (2006.01); C04B 41/50 (2006.01); C04B 41/51 (2006.01); C04B 41/88 (2006.01);
U.S. Cl.
CPC ...
A61K 6/818 (2020.01); A61K 6/807 (2020.01); A61K 6/822 (2020.01);
Abstract
Provided are pre-sintered and sintered zirconia dental ceramic materials. The materials have a gradient in yttria content. The materials may have a gradient in one or more physical/mechanical property and/or one or more optical property. The materials may be made by mixing at least two zirconia ceramic powders having different yttria content. A sintered zirconia dental ceramic material may be in the form of a dental article.