Coating solution for forming insulating film for grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11499055
APP PUB NO 20200354582A1
SERIAL NO

16760254

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A coating solution for forming an insulating film for a grain-oriented electrical steel sheet which contains one or more types of hydrous silicate powders having an average particle size of 2 μm or less, and one or more types of phosphoric acids and phosphates satisfying a relation of ΣniMi/ΣPi≤0.5, and satisfies (Formula 1).

description='In-line Formulae' end='lead'1.5≤(ΣniMi+Σn′jM′j)/ΣPi≤15  (Formula 1)description='In-line Formulae' end='tail'

(P represents the number of moles of phosphorus, M represents the number of moles of metal ions derived from the phosphate, n represents the valence of the metal ions derived from the phosphate, i represents the number of types of phosphates, M′ represents the number of moles of metal elements in the hydrous silicate, n′ represents the valence of the metal elements in the hydrous silicate, and j represents the number of types of hydrous silicates).

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATIONTOKYO 100-8071

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujii, Hiroyasu Tokyo, JP 60 275
Takeda, Kazutoshi Tokyo, JP 125 341
Yamazaki, Shuichi Tokyo, JP 60 411

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 May 15, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 May 15, 2030
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 15, 2034
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