Biocidal fibrous and film materials comprising silver and chlorite ions
First Claim
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1. A composition comprising:
- (a) a hydrophilic polymer comprising a chlorite anion;
(b) a hydrophobic polymer; and
(c) a silver ion, wherein the silver ion associates with at least one hydrophilic or hydrophobic polymer.
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Abstract
Disclosed are compositions comprising a hydrophilic polymer, a hydrophobic polymer, a silver ion, and a chlorite anion, wherein the silver ion associates with at least one hydrophilic or hydrophobic polymer, and wherein the chlorite ion associates with the hydrophilic polymer. Also disclosed are methods of making a photo-stable silver ion and chlorite ion containing wound dressing and methods of reducing or preventing infection of a wound by using the compositions and wound dressings of the present invention.
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Citations
35 Claims
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1. A composition comprising:
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(a) a hydrophilic polymer comprising a chlorite anion;
(b) a hydrophobic polymer; and
(c) a silver ion, wherein the silver ion associates with at least one hydrophilic or hydrophobic polymer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A wound dressing comprising:
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(a) a hydrophilic polymer comprising a chlorite anion;
(b) a hydrophobic polymer; and
(c) a silver ion, wherein the silver ion associates with at least one hydrophilic or hydrophobic polymer.
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33. A method of making a photo-stable silver ion containing wound dressing comprising:
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(a) obtaining a composition comprising;
(i) a hydrophilic polymer comprising a chlorite anion;
(ii) a hydrophobic polymer; and
(iii) a silver ion, wherein the silver ion associates with at least one hydrophilic or hydrophobic polymer wherein the composition reduces or prevents discoloration of the wound dressing, and (b) incorporating the composition of step (a) into a wound dressing.
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34. A method of reducing or preventing infection of a wound comprising:
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(a) obtaining a wound dressing comprising;
(i) a hydrophilic polymer comprising a chlorite anion;
(ii) a hydrophobic polymer; and
(iii) a silver ion, wherein the silver ion associates with at least one hydrophilic or hydrophobic polymer, and (b) applying the wound dressing to the wound. - View Dependent Claims (35)
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Specification