Steel sheet product provided with an anticorrosion coating and process for producing it
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 9, 2013
Grant Date -
Feb 4, 2010
app pub date -
May 15, 2007
filing date -
May 15, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A flat steel product, and a method for its production, which is formed from a steel substrate, such as strip or sheet steel, and a zinc-based corrosion protection coating, applied to at least one side of the steel substrate, which contains (in wt. %) Mg: 0.25 to 2.5%, Al: 0.2 to 3.0%, Fe: ≦4.0%, and optionally in total up to 0.8% of one or more elements of the group Pb, Bi, Cd, Ti, B, Si, Cu, Ni, Co, Cr, Mn, Sn and rare earths, remainder zinc and unavoidable impurities are described. The corrosion protection coating has an Al content of maximum 0.5 wt. % in an intermediate layer extending between a surface layer directly adjacent to the surface of the flat steel product and a border layer adjacent to the steel substrate and with a thickness amounting to at least 20% of the total thickness of the corrosion protection coating.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2007 Application Filing Year
- C23C Class
- 1198 Applications Filed
- 602 Patents Issued To-Date
- 50.26 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 4 Citation Count
- C23C Class
- 7.13 % this patent is cited more than
- 12 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 9, 2025 |
