High-temperature resistant electrically insulating coating powder

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United States of America Patent

PATENT NO 4621122
SERIAL NO

06708701

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Abstract

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Electrically insulating wire coatings are resistant to prolonged exposure to 200.degree. C. when formed from a powder which, in a preferred composition, is a blend of (a) epoxy-terminated adduct of hydantoin diepoxide and aromatic dicarboxylic acid imide dissolved in hydantoin diepoxide, (b) acid-terminated polyester of aromatic dicarboxylic acid and diphenol containing one aromatic ring pendant from a central carbon atom, (c) bismaleimide, and (d) fumaric acid.

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Patent Owner(s)

Patent OwnerAddress
MINNESOTA MINING AND MANUFACTURING COMPANYP O BOX 33427 ST PAUL MN 55133-3427

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fialla, Peter Wiener Neudorf, AT 8 23
Guilbert, Curtis R St. Paul, MN 7 71

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