Corrosion inhibiting systems, products containing residual amounts of such systems, and methods therefor
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United States of America Patent
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Dec 10, 1991
Issued Date -
N/A
app pub date -
Dec 12, 1988
filing date -
Aug 29, 1988
priority date (Note) -
Expired
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Abstract
The corrosion inhibiting systems comprise at least one of the following: sodium fluorophosphate, and a water soluble salt of phosphonic acid derivatives having the general formula R.sub.n R.sub.1 N(CH.sub.2 PO.sub.3 H.sub.2).sub.2-n wherein R.sub.n and R.sub.1 are each independently selected from a member selected from the group consisting of alkyl, aminoalkyl and N-hydroxyalkyl and n is an integer selected from 1 and 0. The methods comprise laying on a surface a system as defined above. The invention also discloses deicers, paints and other corrosion inhibitors in numerous carriers. Products containing at least residual amounts of a system as defined above are also disclosed.
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