Process for the production of paper
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United States of America Patent
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Sep 5, 2000
Grant Date -
N/A
app pub date -
Dec 4, 1997
filing date -
Dec 6, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a process for the production of paper on a paper machine containing a dilution headbox in which a main aqueous flow containing cellulosic fibres and filler is mixed in said headbox with a diluting aqueous flow to form a resulting aqueous flow which is ejected onto a wire and dewatered to form a web of paper, wherein one or more components providing improved retention are introduced into the main aqueous flow and an additive resulting in slower dewatering and/or being selected from non-ionic and anionic organic polymers is introduced into the diluting aqueous flow.
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