C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 228/02 (2006.01) C08F 2/32 (2006.01) C08F 220/58 (2006.01)
Patent
CA 2310719
Disclosed herein is an inverse emulsion polymer composition comprising a copolymer or copolymer salt of N,N,-dimethylacrylamide and 2-acrylamido-2-methylpropane sulfonic acid or acid salts thereof, having a Brookfield viscosity of less than 20,000 Cps at 23° C and an active polymer concentration of about 25 to about 75 weight percent. The inverse emulsion polymer composition is in a hydrocarbon with a primary surfactant and optionally contains water.
Chen Shih-Ruey T.
Frederick Kevin W.
Loeffler Randy J.
Rak James E.
Calgon Corporation
Marks & Clerk
Nalco Company
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