C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 261/04 (2006.01) C02F 1/56 (2006.01)
Patent
CA 2172467
Disclosed are methods for reducing turbidity of aqueous systems and clarifying wastewater systems utilizing a graft copolymer having the structure: Image whereby F is hydrogen or a cationic monomer having the formula Image wherein R is hydrogen or a C1 to C3 alkyl group, R1 is the salt of an ammonium cation, and the molar percentage of a:b is from about 95:5 to about 5:95, with the proviso that the sum of a and b equals 100%.
Bair Keith A.
Bissinger Elizabeth V.
Meyer Ellen M.
Betzdearborn Inc.
Borden Ladner Gervais Llp
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