C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
195/59
C08F 6/16 (2006.01) C08F 6/00 (2006.01)
Patent
CA 1263326
Abstract The present invention provides for an improved method for reducing the acrylamide present in water-in-oil emulsions of acrylamide polymers with Amidase which com- prises adding the Amidase to the water-in-oil emulsion of the acrylamide polymer upon-completion of its polymeriza- tion and then subjecting the thus treated water-in-oil emulsion to one or more of the following steps: a) pH adjustment b) heating c) inert gas sparging d) adding a chemical reducing agent
558844
Bhattacharyya Bhupati
Kaesler Ralph W.
Wetegrove Robert L.
Bhattacharyya Bhupati
Hewitt Neville S.
Kaesler Ralph W.
Nalco Chemical Company
Wetegrove Robert L.
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