D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
9/59
D21H 17/45 (2006.01)
Patent
CA 1239256
ABSTRACT OF THE DISCLOSURE Certain cppolymers with lower alkyl quaternary ammonium salts of 1-acryloyl-4-methyl piperazine, particularly copolymers containing acrylamide, give outstanding results as fine and filler retention agents used in the manufacture of paper.
481023
Nalco Chemical Company
Smart & Biggar
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