FRANKFURT (Dow Jones)--German pharmaceutical and chemicals company Bayer AG (BAYN.XE) said Monday that it has received U.S. approval for Staxyn, a new formulation of its erectile dysfunction treatment Levitra. MAIN FACTS: -Staxyn is a tablet that disintegrates on the tongue without liquid. -GlaxoSmithKline (GSK) and Merck & Co. Inc. (MRK), Bayer's U.S. marketing partners, expect to make the medicine available by prescription later this year. -Bayer has submitted the product for marketing authorization in Europe and expects to receive approval in 2010. -Frankfurt Bureau, Dow Jones Newswires; 49-69-29725-500 (END) Dow Jones Newswires June 21, 2010 03:32 ET (07:32 GMT)