Patent ID: 7939686
Filing Date: 2011-05-10
Classification: A61K,D06M,Y10T

Abstract:
1. A method for providing antimicrobial properties to a composite item, comprising: immersing a composite item in an aqueous bath comprising an organic antimicrobial agent, wherein said organic antimicrobial agent is silicone based quaternary ammonium salt that is a copolymer of a long chain (C separating the immersed composite item from the bath; and drying the separated composite item at a temperature of from 50-90° C., wherein the composite item is a member selected from the group consisting of composite yarns, composite fabrics and composite articles; wherein the resulting composite item retains antimicrobial properties for at least 40 wash cycles; wherein the antimicrobial properties can be regenerated after one or more uses by contacting the treated item with a hypochlorite solution.