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US 4,057,390 AGranted
Sulfur-containing bis-quaternaries
AssigneePetrolite Corporation
InventorPatrick M. Quinlan
Life of this patent
Estimating the term…
Abstract
This invention relates to sulfur-containing Bis-Quaternaries of the idealized formula [N .sup.+ CH.sub.2 CH.sub.2 ].sub.2 Z 2X.sup.- where N is a quaternary amino group, Z is a sulfur-containing group, for example S, SO, SO.sub.2 and X is an anion; to methods of preparing such compounds; and to uses of such compounds.
Claims10
A process of inhibiting corrosion which comprises treating a corrosive aqueous medium with Bis-quaternaries of the following formula:
- (N.sup.+ CH.sub.2 CH.sub.14 2).sub.2 Z .multidot. 2X .sup.-
- is an N is a quaternary amino group, Z is the sulfur-containing group S, SO, or SO.sub.2 and X is an anion.
Dependencies are inferred from the claim text.