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. 30, 2005
Filed:
Apr. 07, 2003
Srinivasan Sridharan, Strongsville, OH (US);
George C. Korn, Coraopolis, PA (US);
Jérôme Anquetil, Bar le Duc, FR;
Robert Blonski, North Royalton, OH (US);
Ivan H. Joyce, Hudson, OH (US);
Srinivasan Sridharan, Strongsville, OH (US);
George C. Korn, Coraopolis, PA (US);
Jérôme Anquetil, Bar le Duc, FR;
Robert Blonski, North Royalton, OH (US);
Ivan H. Joyce, Hudson, OH (US);
Ferro Corporation, Cleveland, OH (US);
Abstract
The present invention provides partially crystallizing lead-free and cadmium-free glass enamel composition that fuse at low temperatures. Glass enamel compositions according to the present invention form predominantly bismuth titanate and optionally zinc titanate crystals upon firing. Preferably, glass enamel compositions according to the invention include a glass component that includes by weight from about 11% to about 52% SiO, from 10.2% to about 40% TiO, from about 5% to about 75% BiO, up to about 8% BO, up to about 14% BaO+SrO, and up to about 45% by weight ZnO, where the sum of BiOand ZnO comprises from about 30% to about 85% of the glass component by weight.