METHOD AND APPARATUS FOR THE TREATMENT OF BLACK SLAG
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United States of America Patent
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Issued Date -
Apr 25, 2024
app pub date -
Mar 1, 2022
filing date -
Mar 1, 2022
priority date (Note) -
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Abstract
A method for the treatment of black slag, which contains lime (CaO) or lime-based compounds, and which is generated in an electric furnace that produces steel from scrap, includes indirectly cooling the black slag immediately after the black slag exits from the electric furnace or after collection of the black slag in a cauldron, for a period of time between about 10 minutes and about 45 minutes.
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
TRUYOINS S R L | PIAZZA DEL QUARTIERE LATINO 12/4 TREVISO 31100 |
International Classification(s)

- 2022 Application Filing Year
- C21B Class
- 102 Applications Filed
- 16 Patents Issued To-Date
- 15.69 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
CARLESSO, Franco | Treviso, IT | 4 | 8 |
# of filed Patents : 4 Total Citations : 8 | |||
PIZZATO, Edoardo | Treviso, IT | 3 | 0 |
# of filed Patents : 3 Total Citations : 0 |
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- 0 Citation Count
- C21B Class
- 0 % this patent is cited more than
- 1 Age
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Oct 25, 2027 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Oct 25, 2031 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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