Treatment of water

Details Treatment of water Treatment of water

1977-06-30

1978-11-21

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

252 855E, 252180, 252388, 526 15, 526272, 422 16, C02B 506

Patent

active

041265491

ABSTRACT:
A process for the prevention of scale and the inhibition of corrosion which comprises adding to water a hydrolyzed terpolymer of maleic anhydride with vinyl acetate and ethyl acrylate, the molar ratio of maleic anhydride to the other monomers being from 2.5:1 to 5:1, the ratio of vinyl acetate to ethyl acrylate being 1:1 to 2:1, and the molecular weight of the terpolymer being below 1000.

REFERENCES:
patent: 2723956 (1955-11-01), Johnson
patent: 3558570 (1971-01-01), Rinno
patent: 3617577 (1971-11-01), King
patent: 3684779 (1972-08-01), Rapko
patent: 3715307 (1973-02-01), Johnson et al.
patent: 3755264 (1973-08-01), Testa
patent: 3810834 (1974-05-01), Jones et al.
patent: 4065607 (1977-12-01), Kurowsky

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