C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 293/00 (2006.01) C02F 1/54 (2006.01) C02F 1/56 (2006.01) C02F 11/14 (2006.01)
Patent
CA 2060042
A composition and method of use thereof for the treatment of wastewater comprising a block copolymer having the formula: (see formula I) wherein E is a polymeric segment obtained from the polymerization of hydrophobic monomers, x when present is a nonionic monomer, y is a cationic monomer, R1 and R2 are the same or different and are H or a lower alkyl group from C1 to C3 and X is a salt of an ammonium cation.
Chen Fu
Liao Wen P.
Vasconcellos Stephen R.
Betz Laboratories Inc.
Betzdearborn Inc.
Borden Ladner Gervais Llp
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