Alberto-Culver Co., Melrose Park, IL, secured a 3-year, $300 million revolving credit line. In a state, the household and personal products maker said that the new credit line replaces a previous 5-year, $250 million facility that expired on Tuesday and would be used for general corporate purposes, including possible acquisitions.Alberto-Culver said the $300 million credit line was secured from a group of four banks: Bank of America, Bank One, LaSalle Bank and Citibank....