D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 21/10 (2006.01) D21H 17/00 (2006.01) D21H 17/29 (2006.01) D21H 17/37 (2006.01) D21H 17/68 (2006.01) D21H 17/74 (1995.01)
Patent
CA 2069308
A process for the production of paper by forming and dewatering a suspension of cellulose containing fibers and optional fillers on a wire. Three components are added to the suspension, a cationic starch, a cationic polyacrylamide and a polymeric sili- cic acid, in order to improve retention and dewatering at paper production.
Carlson Ulf Rune
Johansson Hans Erik
Johansson Kjell Axel
Eka Nobel Ab
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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