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U.S. Department of Energy
Office of Scientific and Technical Information

Inhibition of corrosion

Patent ·
OSTI ID:6950145

Corrosion of ferrous metals by corrosive acids at elevated temperatures is inhibited by adding to the corrosive acid a composition comprising effective amounts of the following: (1) at least one acetylenic alcohol; (2) a quaternary ammonium compound and/or an amine; (3) a surfactant; (4) an organic solvent; and (5) a formic acid compound selected from the group consisting of formate esters, the structure of which is given. (15 claims)

Assignee:
Esso Research and Eng. Co.
Patent Number(s):
US 3779935
OSTI ID:
6950145
Country of Publication:
United States
Language:
English