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:
May. 19, 1981
Filed:
Apr. 21, 1980
Applicant:
Inventors:
Dong-Sil Park, Clifton Park, NY (US);
Louis Navias, Schenectady, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
106 54 ;
Abstract
Sodium resistant sealing glasses having borosilicate glass compositions in which glass stability is improved by the incorporation of several percent sodium oxide with a select percentage of the alkali earth oxides of calcium oxide, strontium oxide and barium oxide. The sodium oxide is present in the sealing glass compositions in a total weight percent range from 2 to 6 weight percent. Each of the alkali earth oxides is present in the glass compositions in the range from 2 to 8 weight percent with the total of the three oxides not exceeding 16 weight percent.