Process for manufacturing a flat steel product having an aluminum-based corrosion-resistant coating, and flat steel product having an aluminum-based corrosion-resistant coating

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12252755
APP PUB NO 20230304117A1
SERIAL NO

18020338

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A process for manufacturing a flat steel product having a prealloyed corrosion-resistant coating, comprises providing a coated flat steel product comprising a steel substrate having, at least on one side of the steel substrate, and an aluminum-based corrosion-resistant coating. The coated flat steel product is heat-treated, comprising the following substeps: Heating the coated flat steel product in a furnace at a furnace temperature T of between 950° C. and 1150° C. with a furnace dwell time tV of between 40 seconds and 150 seconds, the furnace temperature being chosen such that the heating rate of the coated flat steel product in the temperature range from 500° C. to 700° C. is more than 10 K/s. The coated flat steel product is held at a temperature above Ac3 for a hold time of between 20 seconds and 60 seconds.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • THYSSENKRUPP STEEL EUROPE AG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Banik, Janko Altena, DE 34 61
Rosenstock, Dirk Essen, DE 4 3
Schrooten, Axel Ralf Dortmund, DE 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 Sep 18, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 18, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 18, 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