Corrosion inhibition with amine adducts of maleic anhydride poly

Compositions – Preservative agents – Anti-corrosion

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21 25R, 21 27R, 210 58, 252180, 252390, 252392, C23F 1114, C23F 1118

Patent

active

040187020

ABSTRACT:
A method of inhibiting corrosion and scale formation in an aqueous system is disclosed which comprises the step of treating the said system with 0.1 to 500 parts per million by weight of the total aqueous content of the said system, of a composition which comprises amine adducts of maleic anhydride polymers and which may additionally include zinc.

REFERENCES:
patent: 3549538 (1970-12-01), Jacklin
patent: 3617577 (1971-11-01), King
patent: 3715307 (1973-02-01), Johnson
patent: 3810834 (1974-05-01), Jones et al.
patent: 3897209 (1975-07-01), Harris et al.
patent: 3948792 (1976-04-01), Watsen et al.

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