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Method of inhibiting the corrosion of metals in an acidic environment using quaternary ammonium salts of polyepihalohydrin

Patent ·
OSTI ID:6752530

A corrosion inhibitor is described for inhibiting corrosion of ferrous metals in an acid system. The system consists of adding a quaternary compound formed by the reaction of a polyepihalohydrin and a tertiary amine where the tertiary amine is a heterocyclic aromatic compound containing a tertiary nitrogen as part of the ring and is a member selected from the group consisting of pyridine, quinoline, isoquinoline, alkyl derivatives thereof, and mixtures thereof. (7 claims)

Assignee:
Petrolite Corp
Patent Number(s):
US 3885913
OSTI ID:
6752530
Country of Publication:
United States
Language:
English