Hydrogel and method of producing same

Details Hydrogel and method of producing same Hydrogel and method of producing same

A - Human Necessities

61

K

A61K 47/36 (2006.01) A61K 47/32 (2006.01)

Patent

CA 2069650

ABSTRACT The hydrogel of the invention contains polyvinyl alcohol (a hydrogel support), and a high water-absorbent resin and/or a hydrophilic high molecular compound, which are capable of containing a large amount of water. The rate of evaporation of water from this hydrogel is slow. The hydrogel retains water for a long time and releases an active ingredient gradually.

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