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US 5,849,220 AGranted
Corrosion inhibitor
AssigneeNalco Chemical Company
InventorsCarol B. Batton, Tzu-Yu Chen, Christopher C. Towery
Life of this patent
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Abstract
A corrosion inhibiting composition for use in inhibiting corrosion of metallic surfaces, the composition comprising a first surfactant wherein the first surfactant includes at least one sorbitan fatty acid ester and a second surfactant wherein the second surfactant includes at least one polyoxyethylene derivative of a sorbitan fatty acid ester.
Claims20
A method of inhibiting corrosion on metallic surfaces in contact with a fluid contained in an industrial fluid system which comprises adding to such fluid an effective corrosion controlling amount of a composition comprising:
- a first surfactant wherein the first surfactant includes at least one sorbitan fatty acid ester;
- and,
- a second surfactant wherein the second surfactant includes at least one polyoxyethylene derivative of a sorbitan fatty acid ester.
Dependencies are inferred from the claim text.