Patent 7381334 was granted and assigned to Eastman Kodak on June, 2008 by the United States Patent and Trademark Office.
A method for making a web having a metal-ion sequestering agent and treating a liquid using the web. The method of making the web includes electrostatically providing at least one metal-ion sequestering agent and/or antimicrobial agent. The web can be used to tread a liquid by placing the web into a tank and subjecting the liquid to the web.