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:
Mar. 05, 1991
Filed:
Sep. 06, 1989
Applicant:
Inventors:
Robert W Cicero, Scotia, NY (US);
Tsutomu Iwasaki, Osaka, JP;
Kenneth C Heckeler, Scotia, NY (US);
James M Stanton, Lake Jackson, TX (US);
Kunihiko Yanagihara, Ballston Spa, NY (US);
Assignee:
Schenectady Chemicals, Inc., Schenectady, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08G / ; C08L / ;
U.S. Cl.
CPC ...
525424 ; 428379 ; 528 45 ; 1741 / ;
Abstract
A solderable polyurethane wire enamel composition comprising a mixture of a blocked isocyanate and polyesterimide resin wherein the ratio of isocyanate groups in the blocked isocyanate to hydroxyl groups in the polyesterimide resin is about 0.82:1 to about 5.7:1 and the hydroxyl to carboxylic acid ratio of the raw materials used in preparing the polyesterimide is about 1.4:1 to about 2.5:1.