Coastal Corp. reported that the waiting period under the Hart-Scott-Rodino Act in connection with its tender offer for shares of American Natural Resources has expired. Withdrawal rights expire at 12:00 a.m. EDT, March 22 . . . Eastman Kodak has agreed to acquire Eikonix Corp. of Bedford, Mass., a company that specializes in electronic imaging, for about $56 million . . . Beverly Hills-based Cardis Corp. said it has completed the acquisition of Chanslor & Lyon Co., Brisbane, Calif., for about $15.7 million.