Compositions – Water-softening or purifying or scale-inhibiting agents – Plant or organic material containing
Patent
1982-12-13
1984-05-01
Kittle, John E.
Compositions
Water-softening or purifying or scale-inhibiting agents
Plant or organic material containing
210698, 210701, C02F 510
Patent
active
044460457
ABSTRACT:
Compositions are disclosed for inhibiting scale formation and dispersing solids particulate matter in aqueous mediums. The compositions comprise an acrylic acid/lower alkyl hydroxy acrylate copolymer (I) in combination with a water soluble polymeric material (II) having the formula ##STR1## wherein a or b may be zero or a positive integer, with the proviso that a+b<1; and wherein d is H or HSO.sub.3. From about 0.1-500 parts (based upon 1 million parts of the aqueous medium treated) of the combined treatment (I and II) are administered to the particular aqueous system for which treatment is desired.
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Feuerstein Diane
Snyder William R.
Betz Laboratories Inc.
Kittle John E.
Peacock Bruce E.
Ricci Alexander D.
Wax Robert A.
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