Composition and method for inhibiting scale

Details Composition and method for inhibiting scale Composition and method for inhibiting scale

1985-03-11

1986-04-08

Hruskoci, Peter

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210700, 252180, C02F 514

Patent

active

045811458

ABSTRACT:
The accumulation of scale in an aqueous system is inhibited by the addition of a composition comprising a copolymer of maleic acid or anhydride and vinyl sulfonic acid and an organic phosphonate such as aminotri(methylene phosphonic acid), hydroxyethylidene diphosphonic acid, or a water soluble salt thereof.

REFERENCES:
patent: 3879288 (1975-04-01), Siegele
patent: 4118318 (1978-10-01), Welder et al.
patent: 4255259 (1981-03-01), Hwa et al.
patent: 4306991 (1981-12-01), Hwa et al.
patent: 4351796 (1982-09-01), Marshall

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