00566nab a2200205 4500 20260520002756.0 260224s2008 xxu US olefins see improving feed economics, demand Second -half 2007 4 feb. 2008 11/03/2008 ; 11/03/2008 7 p. ; 56-62 5 Oil & Gas Journal 106 ARTICULO Olefinas 2792 Etileno 7199 Propileno 1970 Lippe, Dan 37774 167476 167476 0 0 0 0 235295 BAAB BAAB 2026-03-05 200042227 0 200042227 2026-03-05 14:46:56 2026-03-05 ARTICULO