Process for preventing corrosion of metals by contacting them wi

Details Process for preventing corrosion of metals by contacting them wi Process for preventing corrosion of metals by contacting them wi

1989-02-14

1990-10-09

Terapane, John F.

Compositions

Leather or fur treating

252390, 544336, 544357, 544408, 544409, C23F 1114

Patent

active

049618679

ABSTRACT:
Novel compositions are prepared from (1) amino substituted pyrazine compounds such as pyrazinamine and (2) at least one of (a) a carboxylic acid, (b) carboxylic acid anhydride, (c) carboxylic acid ester or (d) combination thereof, such as tall oil fatty acid, and (3) optionally in the presence of sodium hydride. These novel compositions are useful as oil and gas well corrosion inhibitors.

REFERENCES:
patent: 4212764 (1980-07-01), Quinlan
patent: 4251384 (1981-02-01), Rooney
patent: 4329381 (1982-05-01), Eschwey et al.
patent: 4676834 (1986-02-01), Treybig
patent: 4725373 (1988-02-01), Treybig et al.
patent: 4740320 (1988-04-01), Treybig et al.
patent: 4762627 (1988-08-01), Martinez et al.

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