Patent 7980251 was granted and assigned to Philip Morris USA on July, 2011 by the United States Patent and Trademark Office.
A pouched tobacco product includes a lined pouch material of a web and a water-soluble liner adjacent the web and a tobacco component contained within the lined pouch material. The water-soluble liner is interposed between the web and the tobacco component. The liner preferably reduces staining of the web by the tobacco component. Additionally, the liner may include a flavorant.