C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 222/00 (2006.01) C08F 222/04 (2006.01) C08F 232/04 (2006.01)
Patent
CA 2111403
ABSTRACT OF THE DISCLOSURE The present invention provides an aqueous process for preparing water-soluble addition copolymers of containing, as polymerized units: (a) from about 3 to about 95 percent by weight of one or more cyclohexene anhydrides or the alkali metal or ammonium salts thereof, and (b) from about 5 to about 97 percent by weight of one or more monomers C4-C6 monoethylenically unsaturated dicarboxylic acids and the alkali metal and ammonium salts thereof. These copolymers are useful as water-treatment additives for boiler waters and cooling towers and as detergent additives acting as builders, anti-filming agents, dispersants, sequestering agents and encrustation inhibitors.
Mccallum Thomas F. III
Weinstein Barry
Gowling Lafleur Henderson Llp
Mccallum Thomas F. III
Weinstein Barry
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