Dehydrated hydrogels
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United States of America Patent
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Mar 20, 2001
Grant Date -
N/A
app pub date -
Oct 15, 1998
filing date -
Apr 20, 1996
priority date (Note) -
Expired
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Abstract
A method of producing a dehydrated hydrogel comprises dispensing fibers into an aqueous solution of a hydrogel precursor material incorporating a plasticiser, the fibers incorporating cations which are capable of cross-linking said precursor material to form a hydrogel, and freeze drying the mixture thus produced to provide a dehydrated hydrogel which incorporates said fibers, the dehydrated hydrogel being cross-linked by said cations.
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