Patent 7772250 was granted and assigned to Theravance on August, 2010 by the United States Patent and Trademark Office.
This invention relates to cinnamate salts of 5-[(R)-2-(2-{4-[4-(2-amino-2-methyl-propoxy)-phenylamino]-phenyl}-ethylamino)-1-hydroxy-ethyl]-8-hydroxy-1H-quinolin-2-one.