Insulating coating composition and an insulated wire, and a coil formed using the same

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United States of America Patent

PATENT NO 8247071
APP PUB NO 20100231345A1
SERIAL NO

12719523

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Abstract

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An insulating coating composition that improves lubricity without reduction of the varnish adhesion strength and an insulated wire using the insulating coating composition, and a coil using the insulated wire are provided. An insulating coating composition comprises a polyamide-imide resin, which is obtained through a synthetic reaction of isocyanate component with acid component, and a lubricant component, wherein the terminal isocyanate group of the polyamide-imide resin is capped with a blocking agent of higher alcohol having a carbon number of eight or more.

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Patent Owner(s)

Patent OwnerAddress
HITACHI MAGNET WIRE CORP10-1 KAWAJIRI-CHO 4-CHOME HITACHI-SHI IBARAKI

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kikuchi, Hideyuki Hitachi, JP 110 1196
Takano, Yuji Mito, JP 25 114

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