Patent 7105178 was granted and assigned to Sun Pharmaceutical on September, 2006 by the United States Patent and Trademark Office.
A cardiotonic composition includes micronized digoxin, hydrophilic polymer(s) and optionally pharmaceutically acceptable excipient(s) in the form of a tablet that releases not more than 50% digoxin in 5 minutes and at least 85% digoxin in 60 minutes.