Corrosion inhibition treatments and method

Details Corrosion inhibition treatments and method Corrosion inhibition treatments and method

1979-12-10

1981-12-01

Kight, III, John

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106 1412, 252181, 252389A, 422 13, C08L 3102, C08L 3302

Patent

active

043035680

ABSTRACT:
The invention deals with a method and composition(s) for use in inhibiting corrosion of metallic parts in contact with aqueous systems. It has been discovered that protective oxide films can be formed on the metallic surface if such is allowed to contact an aqueous system containing a sufficient amount for the purpose of a polymer composed primarily of acrylic moieties and hydroxylated lower alkyl acrylate moieties and a water-soluble orthophosphate. Optionally but desirably, polyphosphates, organo-phosphonates, and copper corrosion inhibitors may be included.

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patent: 3941562 (1976-03-01), Hollingshad
patent: 3992318 (1976-11-01), Gaupp et al.
patent: 4029577 (1977-06-01), Godlewski et al.
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patent: 4149969 (1979-04-01), Robitaille et al.
patent: 4202796 (1980-05-01), Jacob et al.
patent: 4209398 (1980-06-01), Ii et al.

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