Retention aids

D - Textiles – Paper – 21 – H

Patent

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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

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