Magnesium oxide for annealing separator, and grain-oriented electromagnetic steel sheet

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11097955
APP PUB NO 20200115250A1
SERIAL NO

16087072

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

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 having a Blaine specific surface area of 2.5×103 to 7.0×103 m2·kg−1 and CAA of 50 to 170 seconds.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

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

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hiratsu, Yutaka Ako, JP 6 12
Kamei, Tadasuke Ako, JP 5 3
Kitagaki, Masaki Ako, JP 1 0

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Feb 24, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Feb 24, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Feb 24, 2033
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00