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:
Jul. 26, 1977
Filed:
Mar. 30, 1976
Applicant:
Inventors:
James R Gamble, Unity Township, Westmoreland County, PA (US);
James W Chapman, Penn Hills Township, Allegheny County, PA (US);
Assignee:
Westinghouse Electric Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B / ; C08L / ;
U.S. Cl.
CPC ...
1741 / ; 106 54 ; 1741 / ; 252 635 ; 252 64 ; 260 / ; 260 / ; 260 38 ; 260 / ;
Abstract
A fluid, filled, resinous casting composition, having a viscosity below about 20,000 cp. at 100.degree. C, is made from liquid resin, resin curing agent, and as high as 85 weight percent of a glassy filler comprising about 50 to about 60 weight percent of SiO.sub.2, about 12 to about 22 weight percent of Al.sub.2 O.sub.3, about 5 to about 15 weight percent of B.sub.2 O.sub.3, about 4 to about 14 weight percent of MgO and about 2.5 to about 12.5 weight percent of CaO.