Patent ID: 8926999
Filing Date: 2015-01-06
Classification: A61L,C09D,C11D,D06M

Abstract:
1. A process of preparing an antimicrobial article comprising the steps of (a) providing an aqueous mixture consisting essentially of (1) hydrogen peroxide and (2) one or more chloride, bromide, nitrate, or sulfate salts of magnesium, zinc, or zirconium, (b) adding a source of hydroxide ion to the aqueous mixture to produce an antimicrobial treatment formulation having a degree of neutralization of about 50 to 100%, (c) applying said antimicrobial treatment formulation of step (b) to an article, and then (d) drying the article, wherein the molar ratio of hydrogen peroxide to said one or more chloride, bromide, nitrate, or sulfate salts of magnesium, zinc, or zirconium in the aqueous mixture is equal to or greater than 1:1, wherein an acetate-free complex of magnesium, zinc, or zirconium derivatives comprising a mixture of a hydroxide and an peroxide is incorporated into said article, and whereby durable antimicrobial activity is imparted to said article.