ARISTECH CHEMICAL CORP <ARS> 3RD QTR NET Shr 72 cts vs 56 cts Qtly div 18 cts vs 18 cts prior Net 18.7 mln vs 14.4 mln Revs 239.7 mln vs 187.1 mln Nine mths Shr 1.87 dlrs vs 1.26 dlrs Net 48.3 mln vs 32.5 mln Revs 676.9 mln vs 574.8 mln NOTE: Dividend payable December 1 to shareholders of record October 30.