Process for treating compressed cellulose and applications thereof
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United States of America Patent
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Dec 5, 1995
Grant Date -
N/A
app pub date -
Jan 21, 1993
filing date -
Jan 21, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for removing impurities and potentially toxic substances from cellulose is disclosed. The method comprises the following steps: (a) immersing cellulose containing organic extractables in one or more acid baths so as to remove traces of organic extractables; (b) immersing the cellulose in a water bath; (c) immersing the compressed cellulose in an alkaline bath; and (d) sterilizing the treated cellulose using pressurized steam.
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