C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/397
C08F 2/32 (2006.01) C02F 1/54 (2006.01) C02F 1/56 (2006.01) D21H 17/37 (2006.01) D21H 17/44 (2006.01) D21H 17/45 (2006.01)
Patent
CA 1295081
Abstract of the Disclosure Water-in-oil emulsions of cationic water-soluble copolymers which are prepared by incorporating only a portion of the cationic monomer in the aqueous phase prior to forming the water-in-oil emulsion in which polymerization will occur, forming the emulsion, adding the balance of the cationic monomer, and then polymerizing the monomers. Copolymers prepared by this new process show improved performance over conventionally prepared cationic copolymers.
537257
Robinson Peter Mitchell
Van-Det Nguyen
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
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