Method treating terne steel
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United States of America Patent
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Mar 22, 1994
Grant Date -
N/A
app pub date -
Jul 10, 1991
filing date -
Jul 10, 1991
priority date (Note) -
Expired
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Abstract
A method of treating a terne coating to accelerate the patina on the terne coating. The terne coated metal is coated with a specially formulated asphalt based paint which produces a semi-transparent or translucent, dull finish on the terne coated metal. The coated terne coated metal is then exposed to the natural atmospheric elements for at least six months wherein such time enhanced oxidation of lead and tin occurs.
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