0001306830-05-000017 3 1 20050119 20050119 20050119 JAKOBSMEIER PETER 0001314138 3 34 001-32410 05537372 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Celanese CORP 0001306830 2810 980420726 DE 1231 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Blackstone Crystal Holdings Capital Partners (Cayman) IV Ltd. 20041022 3 1 primary_doc.xml PRIMARY DOCUMENT X0202 3 2005-01-19 1 0001306830 Celanese CORP ce 0001314138 JAKOBSMEIER PETER 1601 W. LBJ FREEWAY DALLAS TX 75234 0 1 0 0 Vice President Mai-Anh Nguyen 2005-01-19