Method of producing coal blend and method of producing coke

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12134736
APP PUB NO 20230051325A1
SERIAL NO

17789705

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A method of producing a coal blend by blending plural brands of coal to produce a coal blend includes letting a surface tension of coal when inert material is assumed to be 100 vol % be γ100, and letting a surface tension of coal when reactive material is assumed to be 100 vol % be γ0, determining γ0 of coal; among brands of coal 1, 2, . . . i, . . . , and n to be blended in a coal blend, specifying coal i in which γ100 is outside of γ0; measuring TI of coal i; and determining a blending ratio of coal i such that w calculated by formula (1) is 20.4 mass % or less

description='In-line Formulae' end='lead'w=Σ(xi×TIi)  (1).description='In-line Formulae' end='tail'

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
JFE STEEL CORPORATION2-3 UCHISAIWAI-CHO 2-CHOME CHIYODA-KU TOKYO 1000011 JAPAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dohi, Yusuke Tokyo, JP 25 126
Igawa, Daisuke Tokyo, JP 9 1
Matsui, Takashi Tokyo, JP 243 2482

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 5, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 May 5, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 5, 2036
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