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, 1981
Filed:
Jan. 14, 1980
Applicant:
Inventor:
Howard E Kellberg, Corning, NY (US);
Assignee:
Corning Glass Works, Corning, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
106 53 ; 106 734 ; 106 396 ; 106 / ; 428428 ;
Abstract
A thermally devitrifiable sealing composition exhibiting a sealing temperature below about 420.degree. C. and compatibility with a glass having a linear coefficient of thermal expansion (0.degree.-300.degree. C.) of about 83.times.10.sup.-7 /.degree. C. consisting of about 4-10 parts by weight of particulate cordierite for each 100 parts by weight of a devitrifiable glass consisting essentially, expressed in parts by weight on the oxide basis as calculated from the batch, of about