Process of using thiophosphates as corrosion inhibitors for meta

Details Process of using thiophosphates as corrosion inhibitors for meta Process of using thiophosphates as corrosion inhibitors for meta

1973-06-29

1976-10-05

Wolk, Morris O.

Compositions

Radioactive compositions

Nuclear reactor fuel

252395, 252396, C23F 114, C23F 1110, C23F 1112, C23F 1116

Patent

active

039842037

ABSTRACT:
Thiophosphates of the formula ##EQU1## where X is O or S, R is a hydrocarbon or a substituted hydrocarbon group such as alkyl, aryl, cycloalkyl, alkaryl, aralkyl, etc., and R' is a 3-thione-propene-1 or a substituted 3-thione-propene-1 group; the preparation thereof by reacting a 1,2-dithiolium compound with a phosphite ester; the reversion to the original dithionium compound is effected by reacting the thiophosphate under acid conditions; and the uses of such thiophosphates as corrosion inhibitors in acid systems.

REFERENCES:
patent: 2727067 (1955-12-01), Craig et al.
patent: 2734869 (1956-02-01), Mullen et al.
patent: 2816116 (1957-12-01), Fields
patent: 2912386 (1959-11-01), Salzberg
patent: 3158621 (1964-11-01), Klingsberg
patent: 3186995 (1965-06-01), Klingsberg
patent: 3687608 (1972-08-01), Nestle
patent: 3697221 (1972-10-01), Redmore et al.
patent: 3711403 (1973-01-01), Redmore
patent: 3749554 (1973-07-01), Fischer et al.
patent: 3773465 (1973-11-01), Keeney et al.
patent: 3791789 (1974-02-01), Oude Alink

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