UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: September 13, 2011 4:00 P.M.
Form: S-4
CIK: 0001489393
Company Name: LyondellBasell Industries N.V.
File Number: 333-175077
CIK: 0000842635
Company Name: LYONDELL CHEMICAL CO
File Number: 333-175077-21
CIK: 0001442732
Company Name: LyondellBasell Finance CO
File Number: 333-175077-20
CIK: 0001489347
Company Name: LyondellBasell Acetyls, LLC
File Number: 333-175077-19
CIK: 0001374330
Company Name: Houston Refining LP
File Number: 333-175077-18
CIK: 0001489394
Company Name: LyondellBasell F&F Holdco, LLC
File Number: 333-175077-17
CIK: 0001489344
Company Name: LyondellBasell Acetyls Holdco, LLC
File Number: 333-175077-16
CIK: 0001370995
Company Name: Lyondell Refining I, LLC
File Number: 333-175077-15
CIK: 0001370988
Company Name: Lyondell Refining CO LLC
File Number: 333-175077-14
CIK: 0001437175
Company Name: Lyondell Europe Holdings Inc.
File Number: 333-175077-13
CIK: 0001437188
Company Name: Lyondell Chimie France LLC
File Number: 333-175077-12
CIK: 0001164464
Company Name: LYONDELL CHEMICAL TECHNOLOGY LP
File Number: 333-175077-11
CIK: 0001371047
Company Name: Lyondell Chemical Technology Management, Inc.
File Number: 333-175077-10
CIK: 0001370998
Company Name: Lyondell Chemical Technology 1 Inc.
File Number: 333-175077-09
CIK: 0001371048
Company Name: Lyondell Chemical Properties, L.P.
File Number: 333-175077-08
CIK: 0001489345
Company Name: Lyondell Chemical Overseas Services, Inc.
File Number: 333-175077-07
CIK: 0001489346
Company Name: Lyondell Chemical International Co
File Number: 333-175077-06
CIK: 0001371049
Company Name: Lyondell Chemical Delaware CO
File Number: 333-175077-05
CIK: 0001081158
Company Name: EQUISTAR CHEMICALS LP
File Number: 333-175077-04
CIK: 0001437417
Company Name: Basell North America Inc.
File Number: 333-175077-03
CIK: 0001489325
Company Name: Equistar GP, LLC
File Number: 333-175077-02
CIK: 0001489326
Company Name: Equistar LP, LLC
File Number: 333-175077-01