Back to results
US 4,387,041 AGranted
Corrosion inhibitors
AssigneeGAF Corporation
InventorsEugene V. Hort, Lowell R. Anderson, Dru W. Alwani
Life of this patent
Estimating the term…
Abstract
An aqueous composition for inhibiting the corrosion of metals placed therein is described. The composition comprises a non-oxidizing acid and, as a corrosion inhibitor, an effective amount of a 3-dialkylamino-3-(substituted phenyl)-prop-1-yne.
Claims26
An aqueous composition for inhibiting the corrosion of metals placed therein comrising:
- (a) an effective amount of a corrosion-inhibiting compound having the formula:
- ##STR6## where R.sub.1 and R.sub.2 are independently alkyl C.sub.1 -C.sub.8 ;
- R.sub.3 is independently halo, alkyl C.sub.1 -C.sub.8, or alkoxy C.sub.1 -C.sub.8 ;
- and
- n is 1 or 2;
- and
- (b) a non-oxidizing acid.
4 more elements
A compound of the formula:
- ##STR7## where R.sub.1 and R.sub.2 are independently alkyl C.sub.1 -C.sub.8 ;
- R.sub.3 is independently halo, alkyl C.sub.1 -C.sub.8 or alkoxy C.sub.1 -C.sub.8 ;
- and
- n is 1 or 2.
1 more element
Dependencies are inferred from the claim text.