Dusa Pharma files $75 mln mixed shelf offering

May 16 (Reuters) - Dusa Pharmaceuticals Inc (DUSA.O: Quote, Profile, Research, Stock Buzz) said on Friday it may periodically sell up to $75 million shares in debt securities, common and preferred stock, warrants and depositary shares.

The company said it intends to use the proceeds for general corporate purposes, which may include working capital, capital expenditures, acquisitions, joint ventures and stock repurchase programs.

Under a shelf registration filed with the U.S. Securities and Exchange Commission, a company may sell securities in one or more separate offerings with the size, price and terms to be determined at the time of sale. (Reporting by Shivani Singh in Bangalore; Editing by Himani Sarkar)