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. 20, 1998
Filed:
Feb. 12, 1997
Gerhard Tunker, Offenbach, DE;
Cerdec Aktiengesellschaft Keramische Farben, Frankfurt, DE;
Abstract
Using conventional glass frits for the production of black glass coating compositions makes it necessary also to use a relatively large quantity of black pigments. The quantity of pigment used may be reduced by using black glass frits according to the invention, thin layers of which already have a low transmission. The glass frit according to the invention is black and contains in the glass composition (in mol. %): 10-17% of K.sub.2 O, 10-25% of B.sub.2 O.sub.3, 15-30% of TiO.sub.2, 30 to 55% of SiO.sub.2, 0-5% of Al.sub.2 O.sub.3, 0-5% of Bi.sub.2 O.sub.3, 0.05-3% of Fe.sub.2 O.sub.3 (total iron) and 0.1-3% of sulphur (total sulphur).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile