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:
Dec. 07, 1982
Filed:
Oct. 14, 1981
Applicant:
Inventor:
Dennis C Shen, Clifton Park, NY (US);
Assignee:
Schenectady Chemicals, Inc., Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528289 ; 428379 ; 428383 ; 428458 ; 4284735 ; 528350 ;
Abstract
A low molecular weight polyester-imide resin is prepared wherein there is employed as the dibasic acid either 100% of the diimide dicarboxylic prepared by reacting two moles of trimellitic anhydride with one mole of methylene dianiline (the diimide is abbreviated DID) or oxydianiline or the dibasic acid can also contain a small percent of another aromatic acid. The product is used to produce coated wires having outstanding heat shock. The product also is useful to provide a top coat to wire coated with a polyester or with another polyester-imide.