Process for bleaching a pulp in a sequence including an enzyme stage
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United States of America Patent
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Jul 8, 1997
Grant Date -
N/A
app pub date -
Oct 13, 1994
filing date -
Oct 22, 1993
priority date (Note) -
Expired
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Abstract
Process for bleaching a chemical paper pulp by means of a sequence of treatment stages involving at least one stage with an enzyme and at least one stage with a peroxyacid.
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