Compositions – Preservative agents – Anti-corrosion
Patent
1995-02-14
1996-12-31
Gibson, Sharon
Compositions
Preservative agents
Anti-corrosion
25238922, 25238923, 25238962, 252392, 252394, 252391, 252396, 422 15, 422 17, 422 18, C23F 1118, C23F 11173
Patent
active
055891063
ABSTRACT:
The prevention of corrosion on the surfaces of metallic pipes, heat exchangers, and the like which are in contact with industrial cooling waters, and particularly industrial cooling waters containing low levels of hardness is controlled utilizing a corrosion inhibiting amount of a composition including an alkali metal silicate, a hydroxycarboxylic acid or its water soluble salts, an organophosphonate, and a water soluble polymer which acts as a dispersant. Superior corrosion inhibition is achieved using the compositions of this invention as corrosion inhibitors, particularly in cooling water systems employing mild steel metallurgy.
REFERENCES:
patent: 451826 (1936-08-01), Fritz
patent: 3308062 (1967-03-01), Gunther
patent: 3589859 (1971-06-01), Foroulis
patent: 3711246 (1973-01-01), Foroulis
patent: 4237090 (1980-12-01), DeMonbrun et al.
patent: 4490308 (1984-12-01), Fong et al.
patent: 4546156 (1985-10-01), Fong et al.
patent: 4566973 (1986-01-01), Masler, III et al.
patent: 4595517 (1986-06-01), Abadi
patent: 4604431 (1986-08-01), Fong et al.
patent: 4680399 (1987-07-01), Fong
patent: 4703092 (1987-10-01), Fong
patent: 4752443 (1988-06-01), Hoots et al.
patent: 4762894 (1988-08-01), Fong et al.
patent: 4777219 (1988-10-01), Fong
patent: 4801388 (1989-01-01), Fong et al.
patent: 4898686 (1990-02-01), Johnson et al.
patent: 4923634 (1990-05-01), Hoots et al.
patent: 4929425 (1990-05-01), Hoots et al.
patent: 5034155 (1991-07-01), Soeder et al.
patent: 5035806 (1991-07-01), Fong et al.
patent: 5120797 (1992-06-01), Fong et al.
patent: 5179173 (1993-01-01), Fong et al.
patent: 5259985 (1993-11-01), Nakanishi et al.
JP 62280381 (Dec. 5, 1987) as abstracted by Derwent AN No. 88-018071.
Huaxue Shijie (1990), vol. 31, No. 2 pp. 85-87 as abstracted by Chemical Abstract AN No. 1990:597522.
EP 140519 (May 8, 1985) as abstracted by Derwent AN No. 85-112069.
Bakalik Dennis P.
Johnson Donald A.
Lu Frank F.
Shim Sang-Hea
Yang Bo
Drake James J.
Fee Valerie
Gibson Sharon
Miller Robert A.
Nalco Chemical Company
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