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. 20, 1977
Filed:
May. 13, 1976
Applicant:
Inventor:
Donald L Motsinger, Forest City, NC (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
260 / ; 65 / ; 260 / ; 260 / ; 427314 ; 427401 ; 428378 ; 428392 ;
Abstract
A glass fiber sizing composition comprising a phenolic epoxy resin; the reaction product of a partial ester of a polycarboxylic acid which contains one or more unesterified carboxyl groups with a compound containing more than one epoxy group; a glass fiber lubricant; sufficient emulsifiers to impart a homogeneous mixture; a saturated fatty triglyceride; a silane coupling agent and a major amount of water. Glass fibers sized in accordance with the invention exhibit excellent reinforcing characteristics.