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:
Dec. 09, 2025
Filed:
Dec. 22, 2020
Applicant:
Ivoclar Vivadent Ag, Schaan, LI;
Inventors:
Christian Ritzberger, Grabs, CH;
Marc Dittmer, Feldkirch, AT;
Markus Rampf, Seewis-Dorf, CH;
Christian Niedrig, Azmoos, CH;
Assignee:
Ivoclar Vivadent AG, Schaan, LI;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 23/00 (2006.01); A61K 6/15 (2020.01); A61K 6/822 (2020.01); A61K 6/833 (2020.01); A61K 6/838 (2020.01); C03C 3/097 (2006.01); C03C 3/11 (2006.01); C03C 4/00 (2006.01); C03C 4/02 (2006.01); C03C 4/04 (2006.01); C03C 10/00 (2006.01); C03C 10/16 (2006.01);
U.S. Cl.
CPC ...
C03C 23/002 (2013.01); A61K 6/15 (2020.01); A61K 6/822 (2020.01); A61K 6/833 (2020.01); A61K 6/838 (2020.01); C03C 3/097 (2013.01); C03C 3/11 (2013.01); C03C 4/0021 (2013.01); C03C 4/02 (2013.01); C03C 4/04 (2013.01); C03C 10/0027 (2013.01); C03C 10/16 (2013.01); C03C 23/007 (2013.01); C03C 2204/04 (2013.01);
Abstract
A process for the preparation of multi-coloured dental restorations is described, in which glasses and glass ceramics with various compositions are given the shapes of dental restorations and colour changes are effected in the glasses and glass ceramics by irradiating them with artificial electromagnetic radiation and subjecting them to a heat treatment.