Pyrimidines containing sulfur and amino groups as corrosion inhibitors
AssigneePetrolite Corporation
InventorsNeil E. S. Thompson, Derek Redmore, Bernardus A. Oude Alink, Benjamin T. Outlaw
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Abstract
This invention relates to the following: (1) 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. 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.
Claims4
A composition of the following formula ##STR53## where R.sub.1 is an alkyl group, R.sub.2 is H or alkyl, R.sub.3 is H, alkyl, --CH.sub.2).sub.2 CN, ##STR54## or alkanol and n is one to ten.
Dependencies are inferred from the claim text.