Patent 7347946 was granted and assigned to Eastman Kodak on March, 2008 by the United States Patent and Trademark Office.
A method for inhibiting growth of microbes in a liquid having a pH equal to or greater than about 2.5 by using a filter bed assembly or filter for filtering the liquid having a metal-ion sequestering agent for removing designated metal ion from the liquid. The liquid is passed through the filter bed or filter for a sufficient time so as to substantially reduce the designated metal ion from the liquid.