Steam-assisted paper impregnation
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United States of America Patent
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Mar 25, 2003
Grant Date -
Nov 15, 2001
app pub date -
Nov 12, 1998
filing date -
Nov 12, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a process of using steam to achieve simultaneous impregnation and drying of lignocellulosic material to improve the strength of lignocellulosic material and to reduce the number of serial processing steps. The steam may be either indigenously generated by way of a heated press or heated nip, or the steam may be externally applied.
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