9999999995-11-000675 EFFECT 1 20110314 20110315 20110314 CNA HOLDINGS LLC 0000812427 2820 135568434 DE 1231 EFFECT 33 333-172362-04 11687024 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 CNA HOLDINGS INC 20050118 HNA HOLDINGS INC 19980114 HOECHST CELANESE CORP 19920703 Celanese CORP 0001306830 2820 980420726 DE 1231 EFFECT 33 333-172362 11687020 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 Celanese Acetate LLC 0001314497 562051387 DE 1231 EFFECT 33 333-172362-15 11687036 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-400 1601 W. LBJ FREEWAY DALLAS TX 75234 Celanese Americas LLC 0001314498 221862783 DE 1231 EFFECT 33 333-172362-05 11687025 1601 W. LBJ FREEWAY DALLAS TX 75234 (972) 443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Celanese Americas CORP 20050114 Celanese Chemicals, Inc. 0001314499 132916623 DE 1231 EFFECT 33 333-172362-14 11687035 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Celanese Fibers Operations LLC 0001314500 133373680 DE 1231 EFFECT 33 333-172362-03 11687034 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Celanese Fibers Operations, Ltd. 20050114 Celanese International Corp 0001314502 752622529 DE 1231 EFFECT 33 333-172362-13 11687033 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Celanese International CORP 20050114 Celanese Ltd. 0001314503 752622526 TX 1231 EFFECT 33 333-172362-07 11687027 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Celtran, Inc. 0001314506 560818166 DE 1231 EFFECT 33 333-172362-12 11687032 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 CNA Funding LLC 0001314508 223847453 DE 1231 EFFECT 33 333-172362-11 11687031 1601 W. LBJ FREEWAY DALLAS TX 75234 (972) 443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Ticona Fortron Inc. 0001314511 223140276 DE 1231 EFFECT 33 333-172362-10 11687030 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Ticona LLC 0001314512 223546190 DE 1231 EFFECT 33 333-172362-08 11687028 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Ticona Polymers, Inc. 0001314513 133313358 DE 1231 EFFECT 33 333-172362-09 11687029 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 Celanese US Holdings LLC 0001314514 2673 201206848 DE 1231 EFFECT 33 333-172362-06 11687026 1601 W. LBJ FREEWAY DALLAS TX 75234 972-443-4000 1601 W. LBJ FREEWAY DALLAS TX 75234 BCP Crystal US Holdings Corp. 20050114 KEP Americas Engineering Plastics, LLC 0001513331 223537574 DE 1231 EFFECT 33 333-172362-02 11687023 1601 W LBJ FREEWAY DALLAS TX 75234 9724434917 1601 W LBJ FREEWAY DALLAS TX 75234 Celanese Global Relocation LLC 0001513332 412243055 DE 1231 EFFECT 33 333-172362-01 11687021 1601 W LBJ FREEWAY DALLAS TX 75234 9724434917 1601 W LBJ FREEWAY DALLAS TX 75234 EFFECT 1 primary_doc.xml UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 NOTICE OF EFFECTIVENESS Effective Date: March 14, 2011 Form: S-4 CIK: 0001306830 Company Name: Celanese CORP File Number: 333-172362 CIK: 0001314497 Company Name: Celanese Acetate LLC File Number: 333-172362-15 CIK: 0001314499 Company Name: Celanese Chemicals, Inc. File Number: 333-172362-14 CIK: 0001314502 Company Name: Celanese International Corp File Number: 333-172362-13 CIK: 0001314506 Company Name: Celtran, Inc. File Number: 333-172362-12 CIK: 0001314508 Company Name: CNA Funding LLC File Number: 333-172362-11 CIK: 0001314511 Company Name: Ticona Fortron Inc. File Number: 333-172362-10 CIK: 0001314513 Company Name: Ticona Polymers, Inc. File Number: 333-172362-09 CIK: 0001314512 Company Name: Ticona LLC File Number: 333-172362-08 CIK: 0001314503 Company Name: Celanese Ltd. File Number: 333-172362-07 CIK: 0001314514 Company Name: Celanese US Holdings LLC File Number: 333-172362-06 CIK: 0001314498 Company Name: Celanese Americas LLC File Number: 333-172362-05 CIK: 0000812427 Company Name: CNA HOLDINGS LLC File Number: 333-172362-04 CIK: 0001314500 Company Name: Celanese Fibers Operations LLC File Number: 333-172362-03 CIK: 0001513331 Company Name: KEP Americas Engineering Plastics, LLC File Number: 333-172362-02 CIK: 0001513332 Company Name: Celanese Global Relocation LLC File Number: 333-172362-01