Method and a composition for inhibiting corrosion

Details Method and a composition for inhibiting corrosion Method and a composition for inhibiting corrosion

1978-11-09

1980-12-09

Padgett, Benjamin R.

Compositions

Preservative agents

Anti-corrosion

106 1413, 106 1418, 106 1442, 106 1443, 252 855D, 252 855E, 252392, 252394, 422 12, 252395, C23F 1116, C23F 1114, C23F 1112, E21B 4322

Patent

active

042383480

ABSTRACT:
Corrosion of metals in contact with liquid systems is reduced by adding to the system a small amount of a carboxylic acid containing an organic hydrophobic group in combination with a sulfite or bisulfite of an amine. Preferred carboxylic acids and preferred sulfites are amino and amido carboxylic acids and preferred sulfites are those of ether amines. Combinations of the two types of compounds are particularly useful for preventing corrosion in different areas of oil recovery and in petroleum industry.

REFERENCES:
patent: 3119447 (1964-01-01), Raifsnider et al.
patent: 3121091 (1964-02-01), Green
patent: 3629104 (1971-12-01), Maddox
patent: 3645896 (1972-02-01), Larsen
patent: 3712863 (1973-01-01), Bundrant et al.
patent: 3770055 (1973-11-01), Larsen
patent: 3976593 (1976-08-01), Hartke et al.

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