AMES, Iowa, April 24, 2012 (GLOBE NEWSWIRE) -- NewLink Genetics Corporation (Nasdaq:NLNK) today announced that the United States Patent & Trademark Office (USPTO) has allowed broad claims to oral pharmaceutical compositions comprising 1-methyl-D-tryptophan (D-1MT) (US Serial No. 12/175,538) and also to oral pharmaceutical compositions comprising 1-methyl-DL-tryptophan (US Serial No. 11/603,291). The company holds exclusive rights to the allowed applications.
