C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
134/39
C02F 5/08 (2006.01) C02F 5/10 (2006.01)
Patent
CA 1326430
Abstract of the Disclosure Methods of Controlling the formation of calcium oxalate and/or barium sulfate scale in aqueous systems are disclosed. The methods comprise adding from about .1 to 500 ppm of a water soluble (meth)acrylic acid/allyl ether copolymer to the desired water system. The methods are especially well adapted for use in pulping and paper making systems wherein calcium oxalate and/or barium sulfate is often encountered as a troublesome scale forming compound.
601560
Chen Fu
Michalopoulos Daniel L.
Borden Ladner Gervais Llp
Hercules Incorporated
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