Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent
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United States of America Patent
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Mar 9, 2004
Grant Date -
May 8, 2003
app pub date -
May 1, 2001
filing date -
May 1, 2001
priority date (Note) -
Expired
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Abstract
A method to enhance brightness in Chemical and Mechanical bleached pulps comprising adding an organic sulfide chelant to the Chemical and Mechanical pulp.
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