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:
Mar. 06, 2012
Filed:
Oct. 25, 2007
Applicants:
Dorothee Martin, Suresnes, FR;
Yannick Lefrere, Malakoff, FR;
Inventors:
Dorothee Martin, Suresnes, FR;
Yannick Lefrere, Malakoff, FR;
Assignee:
Eurokera S.N.C., Chateau-Thierry, FR;
Primary Examiner:
Int. Cl.
CPC ...
C03B 5/225 (2006.01); C03C 3/083 (2006.01); C03C 10/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method of refining lithium aluminosilicate glass capable of being controllably ceramized and free of arsenic oxide, antimony oxide and tin oxide, in which at least 0.05% by weight of at least one sulfide is added to the glass batch materials and said materials are melted at a temperature below 1750° C. The invention also relates to the glass-ceramics obtained from said colored glass, especially glass colored by vanadium oxide, and cooktops and cooking utensils including such glass-ceramics.