PROCESS FOR THE PRODUCTION OF PAPER AND BOARD
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United States of America Patent
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Issued Date -
Jun 25, 2015
app pub date -
Mar 4, 2015
filing date -
Jun 8, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a process for the production of paper and board which comprises:
- (a) introducing one or more fillers, one or more anionic polysaccharides and one or more cationic agents into a mixing zone to form a filler composition;(b) introducing by means of a pump the filler composition into an aqueous suspension comprising cellulosic fibres; and(c) dewatering the obtained suspension.
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