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. 16, 1997
Filed:
Jun. 30, 1995
Applicant:
Inventors:
Martin Frank, Schaan, LI;
Marcel Schweiger, Chur, CH;
Volker Rheinberger, Vaduz, LI;
Wolfram Hoeland, Schaan, LI;
Assignee:
Ivoclar AG, , LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ; A61C / ;
U.S. Cl.
CPC ...
106 35 ; 501-6 ; 501 10 ; 501 67 ; 501 70 ; 4332121 ; 433218 ; 65 337 ;
Abstract
A leucite-containing phosphosilicate glass-ceramic is described which, in addition to a leucite crystalline phase and at least one further crystalline phase, also contains one or more glass phases.