Method and composition for inhibiting corrosion in aqueous systems
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United States of America Patent
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Jul 1, 2003
Grant Date -
N/A
app pub date -
May 3, 1999
filing date -
May 3, 1999
priority date (Note) -
Expired
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Abstract
A method and composition for controlling corrosion of metals, particularly ferrous-based metals in contact with aqueous systems is disclosed, which includes treating industrial waters with a combination of a tetrazolium salt of the general formula: ##STR1## where R.sub.1, R.sub.2 and R.sub.3 may be various organic or inorganic substitutents, where n may be 1 or 2, and at least one other aqueous system treatment material.
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