A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
167/178, 167/206
A61K 31/755 (2006.01) A01N 59/12 (2006.01) A01N 59/14 (2006.01) A61L 15/18 (2006.01) A61L 27/00 (2006.01)
Patent
CA 2014114
ABSTRACT OF THE DISCLOSURE A sustained and controlled release form of iodine is achieved by a complex of polyvinyl alcohol and the iodine characterized by a low water solubility. The polyvinyl alcohol may be reacted to form hydroxy- lated polyvinyl acetal sponge and the sponge is topically applied as an antimicrobial agent which releases controlled amounts of iodine sufficient to kill germ cells with minimal toxicity to surrounding tissue.
Mccarthy Tetrault Llp
Merocel Corporation
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