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:
Jul. 29, 2025
Filed:
Aug. 05, 2020
Applicant:
Vita Zahnfabrik H. Rauter Gmbh & Co. KG, Bad Säckingen, DE;
Inventors:
Michael Gödiker, Bad Säkingen, DE;
Eva Kolb, Bad Säkingen, DE;
Christian Strasser, Bad Säkingen, DE;
Assignee:
Vita Zahnfabrik H. Rauter GmbH & Co. KG, Bad Säkingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C 13/00 (2006.01); A61K 6/818 (2020.01); A61K 6/822 (2020.01); A61K 6/824 (2020.01); B28B 1/00 (2006.01); B28B 3/00 (2006.01); B28B 3/02 (2006.01); B28B 11/24 (2006.01); C04B 35/488 (2006.01); C04B 35/64 (2006.01); C04B 35/645 (2006.01);
U.S. Cl.
CPC ...
A61C 13/0022 (2013.01); A61K 6/818 (2020.01); A61K 6/822 (2020.01); A61K 6/824 (2020.01); B28B 1/008 (2013.01); B28B 3/003 (2013.01); B28B 3/02 (2013.01); B28B 11/243 (2013.01); C04B 35/4885 (2013.01); C04B 35/64 (2013.01); C04B 35/6455 (2013.01); A61C 2201/002 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3224 (2013.01); C04B 2235/3225 (2013.01); C04B 2235/3244 (2013.01); C04B 2235/3272 (2013.01); C04B 2235/3277 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/5445 (2013.01); C04B 2235/604 (2013.01); C04B 2235/608 (2013.01); C04B 2235/75 (2013.01); C04B 2235/77 (2013.01); C04B 2235/786 (2013.01); C04B 2235/9661 (2013.01);
Abstract
The invention relates to a sintered molding with a color gradient for use in the manufacture of dental restorations, obtainable by sintering a compression-molded element comprising five or more different ceramic powder layers, each powder layer comprising at least two different base powders and each base powder containing at least 80 wt. % ZrO, each weight amount being relative to the total weight of the base powder.