A readily openable pouch containing a moistened hygenic cleaning pad is attached to the bottom of a beverage can. The pad can be removed from the pouch and used to wipe and sanitize the can top and adjacent side wall prior to drinking from the can through a top orifice. After use the pad may be replaced...http://www.google.es/patents/US4651890?utm_source=gb-gplus-sharePatente US4651890 - Beverage can wipe stored in pouch affixed to can
