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:
Jan. 02, 2007
Filed:
Dec. 10, 2004
Anna V Belykh, Orlando, FL (US);
Sergey K Evstropiev, Suwon-si, KR;
Mikhail D Mikhailov, St. Petersburg, RU;
Lionel Beunet, Fountainbleau, FR;
Monique Comte, Fontenay-aux-Roses, FR;
Sophie Peschiera, Veneux les Sablons, FR;
Anna V Belykh, Orlando, FL (US);
Sergey K Evstropiev, Suwon-si, KR;
Mikhail D Mikhailov, St. Petersburg, RU;
Lionel Beunet, Fountainbleau, FR;
Monique Comte, Fontenay-aux-Roses, FR;
Sophie Peschiera, Veneux les Sablons, FR;
EuroKera, Chateau-Thierry, FR;
Abstract
The present invention relates to a product, comprising a body which is delimited by a surface, of a lithium aluminosilicate-based glass-ceramic, as well as to its method of preparation. Characteristically, said glass-ceramic has, on at least one part of said surface, a surface layer the degree of crystallization of which is greater than that of said glass-ceramic within said body.