Metal corrosion inhibitor for use in aqueous acid solutions

Details Metal corrosion inhibitor for use in aqueous acid solutions Metal corrosion inhibitor for use in aqueous acid solutions

1998-05-28

2000-05-02

Brouillette, Gabrielle

Compositions

Preservative agents

Anti-corrosion

252387, 252390, 507232, 507240, 507934, 507939, C09K 300, E21B 2100

Patent

active

060568968

ABSTRACT:
The present invention provides an improved metal corrosion inhibitor for use in aqueous acid solutions which is relatively non-toxic and inexpensive. The corrosion inhibitor is a mixture comprised of oligomerized aromatic amines prepared by contacting the still bottoms residue produced in the distillation of quinoline from coal tar with oxygen in the presence of a catalyst.

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patent: 5441929 (1995-08-01), Walker
patent: 5756004 (1998-05-01), Brezinski
patent: 5792420 (1998-08-01), Brezinski

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