Magnesium oxide for annealing separators, and grain-oriented magnetic steel sheet

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United States of America Patent

PATENT NO 11566297
APP PUB NO 20200123627A1
SERIAL NO

16087078

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Abstract

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An object of the present invention is to provide magnesium oxide for an annealing separator which is useful for obtaining grain-oriented electromagnetic steel sheets with excellent magnetic properties and insulating properties. To resolve the above object, an aspect of the present invention resides in magnesium oxide for an annealing separator which has a BET specific surface area of 12.0×103 to 25.0×103 m2·kg−1 and a Blaine specific surface area of 2.0×103 to 7.0×103 m2·kg−1.

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Patent Owner(s)

Patent OwnerAddress
TATEHO CHEMICAL INDUSTRIES CO LTDAKO-SHI HYOGO 678-0239

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hiratsu, Yutaka Ako, JP 6 12
Kamei, Tadasuke Ako, JP 5 3
Migita, Tsubasa Ako, JP 36 40

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