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:
Feb. 15, 1977
Filed:
Aug. 16, 1974
Applicant:
Inventors:
Takashi Ishizuka, Ibaraki, JA;
Naoki Miwa, Ibaraki, JA;
Assignee:
Nitto Electric Industrial Co., Ltd., Ibaraki, JA;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C08L / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 2608 / ; 2608 / ; 428375 ; 428423 ; 428457 ;
Abstract
An aqueous insulating varnish which comprises an aqueous medium containing dissolved therein a resin containing ester groups, imide groups and free carboxyl groups in the resin molecule, with a volatile base selected from the group consisting of ammonia and a volatile organic amine to render the resin soluble, the resin comprising the reaction product of A. a carboxyl group containing polyol (containing ester groups in the molecule) comprising the reaction product of