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:
Aug. 30, 1983
Filed:
Sep. 10, 1981
Tadahiko Takata, Ibaraki, JP;
Teijin Limited, Osaka, JP;
Abstract
A polyester fiber composite material useful for reinforcing rubber articles, comprises a polyester fiber substrate impregnated with an impregnating composition containing (A) a polyepoxide compound, (B) a rubber latex, (C) a resorcin-formaldehyde prepolymer and a water-soluble polyurethane compound of the formula (I): ##STR1## wherein A=a tri-hepta valent radical, X=a monovalent residue of blocking compound capable of dissociating from the compound (c) at an elevated temperature, Y=a monovalent residue of an aminosulfonic acid having 2 to 6 carbon atoms or aminocarboxylic acid having 1 to 6 carbon atoms, n=5-30, m=1-5, l=1-5 and l+m=2-6, the impregnating composition having been heat-treated on the substrate at least once at a temperature of 120.degree. C. to the melting point of the polyester fiber.