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. 02, 1980
Filed:
Aug. 14, 1978
Applicant:
Inventors:
Daniel R Sassano, Monroeville, PA (US);
William H Fink, Manor, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528289 ; 260 / ; 260 / ; 260 / ; 525447 ; 525448 ; 528296 ; 528302 ; 528303 ; 528486 ;
Abstract
A high temperature capability, water soluble polyester resin solution is made by esterifying an admixture comprising: an organic, aliphatic dihydric alcohol, an organic, polycarboxylic acid containing major portions of aromatic tricarboxylic acid, an organic, aliphatic dicarboxylic acid, and tris (2 hydroxy alkyl) isocyanurate; and then adding an amount of organic solvent effective to provide a solution; wherein the esterification is continued until the acid value drops to between about 35 to about 45 and wherein the mole ratio of OH/COOH=1.1 to 2.0.