Zinc alloys yielding anticorrosive coatings on ferrous materials
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United States of America Patent
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Oct 1, 2002
Grant Date -
Jul 19, 2001
app pub date -
Sep 3, 1999
filing date -
Jan 2, 1997
priority date (Note) -
Expired
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Abstract
The present invention relates to a Zinc alloy yielding anti-corrosive coatings on ferrous materials; characterized as consisting of zinc plus its usual impurities and possibly aluminum and/or lead as well as alloying metals consisting of between x and y% by weight of nickel together with between v and w% by weight of at least one of the metal: vanadium and chrome wherein: x is equal to or higher than 0.001% by weight, preferably higher than 0.04% by weight, y is lower than or equal to 0.6% by weight, preferably lower than 0.2% by weight, v is equal to or higher than 0.001% by weight, preferably higher than 0.03% by weight, w is lower than or equal to 0.6% by weight, preferably lower than 0.04% by weight.
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