PROCESSING OF CHEMICALLY MODIFIED CELLULOSIC FIBRES
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United States of America Patent
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Issued Date -
Dec 10, 2015
app pub date -
Dec 20, 2013
filing date -
Dec 20, 2012
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Abstract
A chemically modified cellulosic fibre or filament having a moisture content of at least 7% by weight obtained by a process comprising the steps of (i) obtaining cellulosic fibres or filament and chemically modifying the cellulose by substitution to increase its absorbency; (ii) washing the fibres after step (i) in a mixture comprising water and up to 99% by weight of water-miscible organic solvent; (iii) drying the fibres to a moisture content of at least 7% by weight, tart abstract here
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International Classification(s)
- D06B:TREATING TEXTILE MATERIALS BY LIQUIDS, GASES, OR V....
- D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....
- D01G:PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING....
- D01F:CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL....
- A61L:METHODS OR APPARATUS FOR STERILISING MATERIALS OR ....
- B65B:MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF,....
- D04H:MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAME....
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