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.:

US 6706654 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 16, 2004

Filed:

Apr. 19, 2002
Applicant:
Inventor:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 1/400 ; C03C 8/02 ; A61C 1/308 ; C09K 3/00 ;
U.S. Cl.
CPC ...
C03C 1/400 ; C03C 8/02 ; A61C 1/308 ; C09K 3/00 ;
Abstract

A pressable glass ceramic which contains lithium silicate glass and leucite is disclosed. Also, disclosed is the combination of leucite and a lithium silicate glass to stably increase the coefficients of thermal expansion of the resulting glass composition, and the preparation of leucite suitable for addition to the glass composition. Also disclosed are methods for fabricating glass ceramic and dental products from the pressable glass ceramic.


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van der Zel, Joseph. (2004). Pressable glass ceramic, method for the fabrication thereof, and method for the fabrication of a dental restoration using such glass ceramic (U.S. Patent No. 6706654). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6706654

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