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:
Sep. 15, 2015
Filed:
Dec. 26, 2013
Schott Ag, Mainz, DE;
Dieter Goedeke, Landshut, DE;
Peter Brix, Mainz, DE;
Olaf Claussen, Undenheim, DE;
Joern Besinger, Ludwigshafen, DE;
Bastian Schoen, Landshut, DE;
SCHOTT AG, Mainz, DE;
Abstract
A crystallizing glass solder for high-temperature applications, which is free of PbO and contains, in % by weight on an oxide basis: 45% to 60% of BaO; 25% to 40% of SiO; 5% to 15% of BO; 0 to <2% of AlO; 2 to 7.0, preferably 4.4 to 7.0%, of MgO; and at least one alkaline earth metal oxide from the group consisting of MgO, CaO and SrO, wherein CaO is 0% to 5% and the sum of the alkaline earth metal oxides MgO, CaO and SrO is 2% to 15%. Preferred embodiments of the glass solder contain from 3 to 15 wt. % of YOand have low porosity and high stability with respect to a moist fuel gas environment.