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:
Mar. 13, 2001
Filed:
Jun. 12, 1998
Applicant:
Inventors:
Wolfram Höland, Schaan, LI;
Martin Frank, Schaan, LI;
Helga Drescher, Feldkirch, AT;
Volker Rheinberger, Vaduz, LI;
Assignee:
Ivoclar AG, , LI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C 1/3083 ; C03C 1/016 ;
U.S. Cl.
CPC ...
A61C 1/3083 ; C03C 1/016 ;
Abstract
An apatite glass ceramic is described which is characterized by good chemical stability, a low expansion coefficient and high translucence, and is particularly suitable, by itself or together with glasses or other glass ceramics, as a veneering material for ceramic dental restorations.