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:
Feb. 21, 2023
Filed:
Aug. 14, 2019
Applicant:
Ivoclar Vivadent Ag, Schaan, LI;
Inventor:
Christian Ritzberger, Grabs, CH;
Assignee:
Ivoclar Vivadent AG, Schaan, LI;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C 13/00 (2006.01); C03C 10/00 (2006.01); C03C 1/00 (2006.01); C03C 1/02 (2006.01); A61C 13/083 (2006.01); C03B 32/02 (2006.01); C03B 19/02 (2006.01);
U.S. Cl.
CPC ...
A61C 13/0022 (2013.01); A61C 13/083 (2013.01); C03B 19/02 (2013.01); C03B 32/02 (2013.01); C03C 1/002 (2013.01); C03C 1/026 (2013.01); C03C 10/0009 (2013.01); C03C 10/0063 (2013.01); C03C 2204/00 (2013.01);
Abstract
The invention relates to a process for the preparation of a glass-ceramic blank for dental purposes with lithium silicate as crystal phase, in which lithium silicate blanks that are no longer required and in particular residues thereof are used as starting material and which allows the production of a homogeneous starting glass within a short time.