PARIS -(Dow Jones)- French drug company Sanofi-Aventis (SNY) Tuesday said it has obtained antitrust clearance in connection with its $93.50 per share tender offer for Chattem, Inc (CHTT). MAIN FACTS: MAIN FACTS: - The waiting period under the Hart-Scott Rodino Antitrust Improvements Act of 1976 has expired, which satisfies one of the conditions of the tender offer. - The tender offer remains subject to the other conditions described in the Offer to Purchase filed January 11, 2010 - The tender offer is scheduled to expire at 1200 midnight, New York City time, on February 8, unless the tender offer is extended. - By Paris Bureau, Dow Jones Newswires; +331-4017-1740; djnews.paris@dowjones.com