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:
Aug. 12, 2003
Filed:
Feb. 07, 2000
Marco Bitossi, Montelupo Fiorentino, IT;
Giovanni Baldi, Montespertoli, IT;
Davide Settembre Blundo, Reggio Emilia, IT;
Enrico Generali, Modena, IT;
Colorobbia Italia S.p.A., Sovigliana Vinci, IT;
Abstract
The present invention refers to glass-ceramics consisting of the mixtures (I): ZrO —SiO —Me O, or (II) SiO —Me O —Me O, wherein: Me is chosen in the group consisting of: Ca, Ba, Mg, Zn or mixture thereof; Me is chosen in the group consisting of Al, B or mixtures thereof; each of the above said constituents being present in determined quantities; the invention refers also to a process for preparing the glass-ceramics above defined; porcelain stonewares and glazes containing them and their use for preparing ceramic items.