Method and composition for inhibiting corrosion of nonferrous me

Details Method and composition for inhibiting corrosion of nonferrous me Method and composition for inhibiting corrosion of nonferrous me

1980-08-14

1981-11-03

Richman, Barry

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

252389R, 252389A, 252390, 252392, 422 13, 422 15, 422 17, 422 19, C23F 1106, C23F 1116, C23F 1112, C23F 1114

Patent

active

042985684

ABSTRACT:
A method for inhibiting corrosion of nonferrous metals in contact with circulating water comprising the steps of adding to circulating water in contact with non-ferrrous metals from 0.05 to 10 gm/m.sup.3 of at least one 3-amino-5-alkyl-1,2,4-triazole wherein said alkyl has from 2 to 8 carbon atoms and adjusting said water to a pH of from 6 to 10; as well as corrosion inhibiting compositions containing said 3-amino-5-alkyl-1,2,4-triazole.

REFERENCES:
patent: 2941953 (1960-06-01), Hatch
patent: 3261844 (1966-07-01), Trotimenko
patent: 3639406 (1972-02-01), Reimlinger et al.
patent: 3663448 (1972-05-01), Ralston
patent: 3891568 (1975-06-01), Nishio et al.
patent: 3935125 (1976-01-01), Jacob
patent: 4066398 (1978-01-01), Hwa
patent: 4089796 (1978-05-01), Hams et al.
patent: 4149969 (1979-04-01), Robitaille et al.
patent: 4209487 (1980-06-01), Hogue et al.

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