Processing of chemically modified cellulosic fibres
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 29, 2022
Grant Date -
Sep 24, 2020
app pub date -
Mar 2, 2020
filing date -
Mar 2, 2020
priority date (Note) -
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status (Latency Note)
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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.
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International Classification(s)
- A61F:FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES....
- D06B:TREATING TEXTILE MATERIALS BY LIQUIDS, GASES, OR V....
- D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....
- D06M:TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D0....
- 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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