Chemical treatment steel sheet, and method for producing chemical treatment steel sheet
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United States of America Patent
Stats
-
May 21, 2019
Grant Date -
Sep 7, 2017
app pub date -
Oct 8, 2015
filing date -
Oct 9, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is a chemical treatment steel sheet including a steel sheet; a composite coated layer which is formed on at least one surface of the steel sheet, and contains 2 to 200 mg/m2 of Ni in terms of an amount of metal Ni and 0.1 to 10 g/m2 of Sn in terms of an amount of metal Sn, and in which an island-shaped Sn coated layer is formed on an Fe—Ni—Sn alloy layer; and a chemical treatment layer that is formed on the composite coated layer, and contains a 0.01 to 0.1 mg/m2 of Zr compounds in terms of an amount of metal Zr and 0.01 to 5 mg/m2 of phosphate compounds in terms of an amount of P.
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International Classification(s)
- 2015 Application Filing Year
- C23C Class
- 3009 Applications Filed
- 2118 Patents Issued To-Date
- 70.39 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C23C Class
- 0 % this patent is cited more than
- 6 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 21, 2026 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 21, 2030 |
