Compositions – Preservative agents – Anti-corrosion
Patent
1993-02-25
1994-03-08
Green, Anthony
Compositions
Preservative agents
Anti-corrosion
2523892, 252180, 252 70, 252 71, 252 785, 422 7, C23F 1110
Patent
active
052924556
ABSTRACT:
A method of inhibiting corrosion of metals such as low carbon steel in contact with calcium chloride brine comprising adding to the brine or to the salt prior to dissolution 2-hydroxyphosphono-acetic acid.
REFERENCES:
patent: 4649025 (1987-03-01), Hwa et al.
patent: 4689200 (1987-08-01), Cook et al.
patent: 4849171 (1989-07-01), Murray
patent: 5068059 (1991-11-01), Go et al.
May Roger C.
Zefferi Suzanne M.
Betz Laboratories Inc.
Boyd Steven D.
Green Anthony
Ricci Alexander D.
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