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, 2003
Filed:
Aug. 08, 2000
Applicant:
Inventors:
Carlino Panzera, Belle Mead, NJ (US);
Lisa M. Kaiser, Parsippany, NJ (US);
Assignee:
Jeneric/Pentron Incorporated, Wallingford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 1/010 ;
U.S. Cl.
CPC ...
C03C 1/010 ;
Abstract
A porcelain composition for dental restorations comprising a leucite crystallite phase and a glass matrix phase, wherein the leucite crystallites possess diameters not exceeding about 10 micron. Preferably, the porcelain composition has a maturing temperature from about 750° to about 1050° C. and a coefficient of thermal expansion from about 12×10 /° C. to about 17.5×10 /° C., and comprises: