C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 220/06 (2006.01) C02F 5/10 (2006.01) C02F 5/14 (2006.01) C08F 222/02 (2006.01) C08K 5/53 (2006.01) C08L 33/02 (2006.01) C08L 35/00 (2006.01)
Patent
CA 2067533
0980H C-1518 TITLE OF THE INVENTION TERPOLYMER OF ITACONIC ACID FOR HIGH pH SCALE CONTROL ABSTRACT OF THE DISCLOSURE A particular terpolymer of itaconic acid (IA) with acrylic acid (AA) and methacrylic acid (MAA), with a molar ratio of monomers of 25-35 M : 30-40 MAA : 30-45 IA, has been found to give excellent inhibition of scale, especially CaCO3 scale, at elevated pH I 8 of 8.5 - 9.5, when used either alone or in combination with phosphonates and acrylate based copolymers.
Bendiksen Beverly
Matz Gary F.
Persinski Leonard J.
Yorke Monica
Bendiksen Beverly
Calgon Corporation
Goudreau Gage Dubuc
Matz Gary F.
Persinski Leonard J.
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