ELECTROMAGNETIC STEEL SHEET WITH INSULATING COATING FILM, METHOD OF PRODUCING SAME, AND COATING AGENT THAT FORMS THE INSULATING COATING FILM

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United States of America Patent

SERIAL NO

14914915

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Abstract

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A coating material that forms an insulation coating, containing apart from a solvent: an aqueous carboxy group-containing resin as component (A) in an amount of 100 parts by mass in terms of solid content; an aluminum-containing oxide as component (B) in an amount of not less than 100 parts by mass but less than 300 parts by mass in terms of solid content, based on the component (A) present in an amount of 100 parts by mass in terms of solid content; and at least one crosslinking agent as component (C) selected from the group consisting of melamine, isocyanate and oxazoline, in an amount of more than 20 parts by mass but less than 100 parts by mass in terms of solid content, based on the component (A) present in an amount of 100 parts by mass in terms of solid content.

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Patent Owner(s)

Patent OwnerAddress
JFE STEEL CORPORATIONTOKYO 100-0011
DAI NIPPON TORYO CO LTDOSAKA-SHI OSAKA 542-0081

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kimura, Hiroaki Komaki-shi, Aichi, JP 127 1079
Nakagawa, Nobuko Tokyo, JP 19 37
Nakamura, Kengo Otawara-shi, Tochigi, JP 22 195
Tada, Chiyoko Tokyo, JP 25 119

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