Reaction product of nitrogen bases and phosphate esters as corro

Details Reaction product of nitrogen bases and phosphate esters as corro Reaction product of nitrogen bases and phosphate esters as corro

1995-12-12

1999-09-07

Degen, Nancy

Compositions

Preservative agents

Anti-corrosion

25238921, 252390, 252396, 252394, 210700, 422 15, 422 16, C23F 11167, C10G 7502

Patent

active

RE0362913

ABSTRACT:
A method for inhibiting corrosion of metal surfaces in an aqueous medium, comprising incorporating into the medium a corrosion inhibitor in an amount sufficient to inhibit corrosion, the corrosion inhibitor comprising a water-soluble agent selected from the group consisting of compositions of the formula ##STR1## compositions of the formula ##STR2## and mixtures thereof, wherein R is R.sup.2 .paren open-st.OCH.sub.2 CH.sub.2 .paren close-st..sub.x, wherein R.sup.2 is a substituted or unsubstituted alkyl, aryl, or aralkyl group of from about five to about fifteen carbon atoms, each carbon atom having at least one hydrogen and x is an integer of from about one to about ten, and R'N is a basic nitrogen compound that is at least water-dispersible.

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