U.S. Patent No.: 8,217,220 B2
Inventor(s): Carolyn Berland, Mölndal, Sweden; and Shabira Abbas, Göteborg, Sweden.
Company: SCA Hygiene Products AB, Göteborg, Sweden.
An absorbent article, wherein at least one part of said absorbent article carries a film comprising at least one monomolecular layer of a polymer having a functional group and an active agent, and wherein the absorbent article is a diaper, panty diaper, panty liner, sanitary napkin or incontinence device, wherein the polymer has a pKa value of about two to about 10.