Texaco USA, a unit of Texaco Inc.,...

Texaco USA, a unit of Texaco Inc., said a letter of intent has been signed with Mobil Oil Corp., a unit of Mobil Corp., for Mobil to acquire all of Texaco’s 82 retail outlets in the Chicago metropolitan area and its Des Plaines, Ill., terminal . . . Eastman Kodak and Elan Corp. said they agreed in principle, subject to execution of a formal contract, for Kodak to purchase 740,000 shares of Elan common shares for $9 a share.