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:
Aug. 05, 2014
Filed:
Apr. 04, 2012
Wolfram Höland, Schaan, LI;
Christian Ritzberger, Nenzing, AT;
Elke Apel, Oberschan, CH;
Frank Rothbrust, Frastanz, AT;
Jérôme Chevalier, Rillieux-la Pape, FR;
Dmitri Brodkin, Livingston, NJ (US);
Wolfram Höland, Schaan, LI;
Christian Ritzberger, Nenzing, AT;
Elke Apel, Oberschan, CH;
Frank Rothbrust, Frastanz, AT;
Jérôme Chevalier, Rillieux-la Pape, FR;
Dmitri Brodkin, Livingston, NJ (US);
Ivoclar Vivadent AG, Schaan, LI;
Abstract
The invention relates to compositions based on Ce-stabilized ZrO, and single- and multi-colored blanks made from oxide ceramics, and a process for their preparation, in which oxide ceramic powder is coated with a coloring substance, the coated powders are preferably graded and at least one colored powder is filled into a compression mould, the colored powder or powders are compressed to produce a shaped body, and the compressed shaped body is sintered to produce a blank, and to the use of these blanks for the preparation of dental restorations. The compositions exhibit high fracture toughness and high flexural strength.