This invention concerns coatings having high surface area materials and at least one metal ion adsorbed onto the high surface area material as well as substrates having the coating and methods of applying the coating. The substrates may be films, woven fabrics or may be nonwoven fabrics. The coatings...http://www.google.com.au/patents/US7141518?utm_source=gb-gplus-sharePatent US7141518 - Durable charged particle coatings and materials