Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal
Patent
1983-02-09
1985-10-22
Lusignan, Michael R.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Maintaining environment nondestructive to metal
210697, 210698, 252175, 252181, 252389A, 252396, 422 16, 422 18, 422 19, C23F 1116, C23F 1118, C02F 510
Patent
active
045487871
ABSTRACT:
Compositions for inhibiting mineral scale and the corrosion of metals particularly the cavitation corrosion of aluminum in the presence of aqueous liquids are disclosed. The combination of a water-soluble phosphate with at least one of a water-soluble molybdate, tungstate, or selenate is disclosed as providing a synergistic protective effect against the cavitation corrosion of aluminum in aqueous liquids.
REFERENCES:
patent: 2147395 (1939-02-01), Bayes
patent: 2147409 (1939-02-01), Lamprey
patent: 3030308 (1962-04-01), Agnew et al.
patent: 4217216 (1980-08-01), Lipinski
Rao et al., Prevention of Cavitation Damage of Aluminum by Corrosion Inhibitors and Cathodic Protection, J. Electrochem. Soc. India 23-1, 1974.
Conville John J.
Hirozawa Stanley T.
Wilson Joe C.
BASF Wyandotte Corporation
Hedden David L.
Lusignan Michael R.
Michaels Joseph D.
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