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US 4,726,914 AGranted
Corrosion inhibitors
AssigneeInternational Minerals & Chemical Corp.
InventorsLarry A. Fellows, Paul E. Eckler
Life of this patent
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Abstract
A corrosion inhibitor for mild steel comprising the combination of trimethylolethane or trimethylolpropane with a disclosed alkanolamine.
Claims9
A corrosion inhibitor for mild steel consisting of the combination of a polyol represented by the formula ##STR3## where R is methyl or ethyl with an alkanolamine represented by the formula ##STR4## where R can be HOCH.sub.2 CH.sub.2 -- or H.sub.3 C--CHOH--CH.sub.2 --;
- R.sup.1 can be H, CH.sub.3 or HOCH.sub.2 CH.sub.2 --;
- and R.sup.2 can be H, CH.sub.3 -- or HOCH.sub.2 CH.sub.2 --, and R.sup.1 and R.sup.2 can be the same or different.
Dependencies are inferred from the claim text.