C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/9321
C08L 33/26 (2006.01) C08J 3/02 (2006.01) C08K 5/07 (2006.01) C08K 5/17 (2006.01)
Patent
CA 1085078
ABSTRACT OF THE DISCLOSURE A process for preparing a dilute aqueous solution of a cationically modified polyacrylamide from a water-in-oil emulsion of a finely divided water soluble acrylamide polymer, a secondary amine containing 2 - 4 carbon atoms and formaldehyde is disclosed. This solution finds use in the dewatering of industrial and municipal wastes.
274937
Guardia Carl J.
Nielsen Ralph R.
Tuka Richard F.
Vossos Peter H.
Nalco Chemical Company
Smart & Biggar
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