Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Treatment with particular chemical
Reexamination Certificate
2009-08-05
2011-11-08
Hug, Eric (Department: 1741)
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Treatment with particular chemical
C162S075000, C162S076000, C162S082000, C162S091000, C162S199000, C162S048000
Reexamination Certificate
active
08052840
ABSTRACT:
Compositions and methods for the removal of resin from wood chips processed in a Kraft pulping process are disclosed. The method is particularly useful for removing triterpene and triterpenoid resin.
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P. A. Krasutsky “Birch Bark Research and Development”, v 23, 2006, pp. 919-942.
Chin Peter
Fobare Rossi Joanne Mary
Hercules Incorporated
Hug Eric
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