Patent ID: 6589565
Filing Date: 2003-07-08
Classification: A01N,A61L

Abstract:
A method of sterilizing an article comprising:(a) mixing a first aqueous solution and a second aqueous solution to form a sterilizing solution comprising at least 100 ppm peroxy acid and a sufficient amount of phosphate buffering agent to provide the sterilizing solution with a pH of about 5 to about 7, wherein: (i) the first aqueous solution comprises a mixture of carboxylic acid, hydrogen peroxide, and water, and (ii) the second aqueous solution comprises phosphate buffering agent and water; and (b) immersing the article in the sterilizing solution for at least 5 minutes to sterilize the article; wherein the sterilizing solution contains no effective amount of organic corrosion inhibitor and has a weight ratio of peroxy acid to hydrogen peroxide of at least 2:1.