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.

Date of Patent:
Jun. 17, 2014

Filed:

Jan. 21, 2011
Applicants:

Marie Jacqueline Monique Comte, Fontenay aux Roses, FR;

Isabelle Marie Melscoét-chauvel, Chalette-sur-Loing, FR;

Delavand Ovono Ovono, Chalette-sur-Loing, FR;

Philippe Pradeau, Avon, FR;

Inventors:

Marie Jacqueline Monique Comte, Fontenay aux Roses, FR;

Isabelle Marie Melscoét-Chauvel, Chalette-sur-Loing, FR;

Delavand Ovono Ovono, Chalette-sur-Loing, FR;

Philippe Pradeau, Avon, FR;

Assignee:

Eurokera, Chateau-Thierry, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 10/12 (2006.01); C03C 10/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

β-quartz glass-ceramics, the composition of which is most particularly optimized, with reference to the refining of their precursor glasses, with reference to good resistance to devitrification of said precursor glasses and with reference to their resistance to temperature ageing, articles comprising such glass-ceramics, lithium alumino-silicate glasses, which are precursors of such glass-ceramics, as well as methods for preparing such glass-ceramics and articles.


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