US 4,393,026 A · Compounds containing sulfur and amino groups

Abstract

This invention relates to the following: (a) An amino-containing composition characterized by polymercapto groups, (2) A polyamino-containing composition characterized by mercapto or polymercapto groups, (3) A composition characterized by the presence of A. a mercapto or polymercapto groups, and B. a nitrogen-containing group characterized by at least one of the following: 1. an amido or a polyamido group, 2. a cyclic amidine or a polycyclic amidine group, 3. an epihalohydrin-derived amino-containing group. This invention also relates to the use of the above compositions as corrosion inhibitors.

Claims6

Dependent claims

A process for inhibiting corrosion which is characterized by treating a metal with a composition containing ##STR53## where R.sub.1 is a hydrocarbon group, R.sub.2, R.sub.3 are H or alkyl, R.sub.4, R.sub.5 are H, alkyl, alkanol, or --alkylene N).sub.n H, n, m or p are one or more, or mixtures thereof.

Dependencies are inferred from the claim text.

Facts

Application

06/320,048Filed 10 Nov 1981 · division

Priority

19 Jun 1980

Granted

12 Jul 1983

Term ends

Not estimatedThe source records don’t support an estimate.

Classification8 codes

C23F 11/16
Using organic inhibitors: sulfur-containing compounds
C07D 233/20
Having one double bond between ring members or between a ring member and a non-ring member: with substituted hydrocarbon radicals, directly…
C09K 8/54
Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations:…
C23G 1/065
Organic inhibitors: sulfur-containing compounds

Compounds containing sulfur and amino groups

Life of this patent

Compounds containing sulfur and amino groups

Life of this patent

Abstract

Claims6