Compositions – Preservative agents – Anti-corrosion
Patent
1988-12-20
1990-02-27
Thexton, Matthew A.
Compositions
Preservative agents
Anti-corrosion
25238922, 252180, 422 13, 422 15, C23F 1106, C23F 1116, C02F 510
Patent
active
049044133
ABSTRACT:
A composition and method for inhibiting corrosion in industrial cooling waters which contain hardness and have a pH of at least 8, which composition comprises a water-soluble organic phosphonate capable of inhibiting corrosion in an aqueous alkaline environment and a co- or terpolymer of acrylic acid and certain substituted acrylamides such as t-butyl acrylamide.
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Hoots John E.
Johnson Donald A.
Cupoli Anthony L.
Epple Donald G.
Nalco Chemical Company
Premo John G.
Thexton Matthew A.
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