Scale inhibitor

Details Scale inhibitor Scale inhibitor

1983-10-19

1985-12-31

Willis, Prince E.

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

252180, 252181, 536105, C02F 510

Patent

active

045619824

ABSTRACT:
The present invention relates to a scale inhibitor for water and aqueous systems.
The scale inhibitor comprising an oxidized polysaccharide containing, as the essential units, carboxyl group-bearing units of the formula: ##STR1## where A is CH.sub.2 OR, R is H, (CH.sub.2).sub.n COOM or COOM, M is H, an alkali metal ion, or an ammonium group, and n is an integer from 1 to 3, obtained by the oxidative cleavage of polysaccharides containing 6-membered monosaccharide rings.

REFERENCES:
patent: 3400078 (1968-09-01), Jones
patent: 3596766 (1971-08-01), Johnston et al.
patent: 3629121 (1971-12-01), Eldib
patent: 3873614 (1975-03-01), Lamberti et al.

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