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<TITLE>SECURITIES AND EXCHANGE COMMISSION</TITLE>


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<META NAME="_EmailSubject" CONTENT="Latest draft of 8-Ks">


<META NAME="_AuthorEmail" CONTENT="Eileen.Cheng@Lyondell.com">


<META NAME="_AuthorEmailDisplayName" CONTENT="Cheng, Eileen K">


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<B><P ALIGN="CENTER">UNITED STATES</P>


<P ALIGN="CENTER">SECURITIES AND EXCHANGE COMMISSION</P>


<P ALIGN="CENTER">Washington, D.C. 20549</P>


</B><P ALIGN="CENTER"></P>


<B><P ALIGN="CENTER">FORM 8-K</P>


<P ALIGN="CENTER"></P>


</B><P ALIGN="CENTER">Current Report </P>


<P ALIGN="CENTER">Pursuant to Section </P>


<P ALIGN="CENTER">13 or 15(d) of the</P>


<P ALIGN="CENTER">Securities Exchange Act of 1934</P>


<P ALIGN="CENTER"></P>


<P ALIGN="CENTER">&nbsp;</P>


<P ALIGN="CENTER">Date of Report (date of earliest event reported): November 30, 2005</P>


<P ALIGN="CENTER"></P>


<P ALIGN="CENTER">&nbsp;</P>


<B><FONT SIZE=5><P ALIGN="CENTER">LYONDELL CHEMICAL COMPANY</P>


</B></FONT><P ALIGN="CENTER">(Exact name of registrant as specified in its charter)</P>


<P ALIGN="CENTER"></P>


<B><P ALIGN="CENTER">Delaware</P>


</B><P ALIGN="CENTER">(State or other jurisdiction of incorporation)</P>


<P ALIGN="JUSTIFY"></P>


<P ALIGN="JUSTIFY">&#9;<B>1-10145&#9;&#9;&#9;&#9;&#9;&#9;&#9;&#9;95-4160558</P>


</B><P ALIGN="JUSTIFY">(Commission File Number)&#9;&#9;&#9;&#9;&#9;(I.R.S. Employer Identification No.)</P>


<P ALIGN="JUSTIFY"></P>


<P ALIGN="JUSTIFY">&nbsp;</P>


<B><P ALIGN="JUSTIFY">1221 McKinney Street, Suite 700, Houston, Texas&#9;&#9;&#9;   77010</P>


</B><P ALIGN="JUSTIFY">&#9;(Address of principal executive offices)&#9;&#9;&#9;&#9;(Zip Code)</P>


<P ALIGN="JUSTIFY"></P>


<B><P ALIGN="CENTER">(713) 652-7200</P>


</B><P ALIGN="CENTER">(Registrant's telephone number, including area code)</P>


<P ALIGN="CENTER"></P>


<B><P ALIGN="CENTER">Not Applicable</P>


</B><P ALIGN="CENTER">(Former Name or Former Address, if Changed Since Last Report)</P>


<P ALIGN="CENTER"></P>


<P ALIGN="JUSTIFY">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (<I>see </I>General Instruction A.2. below):</P>


<P ALIGN="JUSTIFY"></P>


<P ALIGN="JUSTIFY">&#9;[ ]&#9;Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</P>


<P ALIGN="JUSTIFY"></P>


<P ALIGN="JUSTIFY">&#9;[ ]&#9;Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</P>


<P ALIGN="JUSTIFY"></P>


<P ALIGN="JUSTIFY">&#9;[ ]&#9;Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</P>


<P ALIGN="JUSTIFY"></P>


<P ALIGN="JUSTIFY">&#9;[ ]&#9;Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</P>


<P ALIGN="JUSTIFY">The description set forth below is qualified in its entirety by the full text of the document to which it refers, which document is incorporated herein by reference.</P>


<B><P ALIGN="JUSTIFY"></P>


<P ALIGN="JUSTIFY">&nbsp;</P>


<P ALIGN="JUSTIFY"><A NAME="OLE_LINK1"><A NAME="OLE_LINK2">Item 1.01&#9;Entry into a Material Definitive Agreement</A></A>.</P>


</B><P ALIGN="JUSTIFY">On November 30, 2005, the Board of Directors of Lyondell Chemical Company (the "Company") approved an amendment (the "Amendment") to the&nbsp;Rights Agreement (the &quot;Rights Agreement&quot;) dated December 8, 1995, as amended, between the Company and American Stock Transfer &amp; Trust Company, a New York banking corporation, as Rights Agent.  The Amendment extends the term of the Rights Agreement to December&nbsp;8, 2015.  The Amendment is filed with this Current Report on Form 8-K as Exhibit 4.4(c).</P>


<P ALIGN="JUSTIFY">&nbsp;</P>


<B><P ALIGN="JUSTIFY">Item 3.03&#9;Material Modification to Rights of Security Holders.</P>


</B><P ALIGN="JUSTIFY">See Item 1.01 above.  As more fully described in and subject to the terms of the Rights Agreement, the Rights Agreement generally gives holders of Lyondell's common stock and series B common stock rights to acquire additional shares of Lyondell's common stock upon the occurrence of specified events. </P>


<P ALIGN="JUSTIFY">&nbsp;</P>


<B><P ALIGN="JUSTIFY">Item 9.01&#9;Financial Statements and Exhibits</P><DIR>


<DIR>





</B><P ALIGN="JUSTIFY">(c)&#9;Exhibits</P><DIR>


<DIR>


<DIR>


<DIR>





<P ALIGN="JUSTIFY">4.4(c)&#9;Amendment to Rights Agreement dated December 1, 2005 (incorporated herein by this reference to Exhibit 4.4 of our Form 8-A/A filed December 6, 2005)</P>


<P ALIGN="JUSTIFY"></P></DIR>


</DIR>


</DIR>


</DIR>


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</DIR>





<B><P ALIGN="CENTER">SIGNATURE</P>


</B><P ALIGN="JUSTIFY"></P>


<P ALIGN="JUSTIFY">&nbsp;</P>


<P ALIGN="JUSTIFY">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</P>


<P ALIGN="JUSTIFY"></P>


<P ALIGN="JUSTIFY">&#9;&#9;&#9;&#9;&#9;&#9;&#9;LYONDELL CHEMICAL COMPANY</P>


<P ALIGN="JUSTIFY"></P>


<P ALIGN="JUSTIFY">&nbsp;</P>


<P ALIGN="JUSTIFY">&nbsp;</P>


<P ALIGN="JUSTIFY">&#9;&#9;&#9;&#9;&#9;&#9;&#9;By:<U>/s/ Kerry A. Galvin&#9;&#9;&#9;</P>


</U><P ALIGN="JUSTIFY">&#9;&#9;&#9;&#9;&#9;&#9;&#9;Name:&#9;Kerry A. Galvin</P>


<P ALIGN="JUSTIFY">&#9;&#9;&#9;&#9;&#9;&#9;&#9;Title:&#9;Senior Vice President, General &#9;&#9;&#9;&#9;&#9;&#9;&#9;&#9;&#9;Counsel &amp; Secretary</P>


<P ALIGN="JUSTIFY">&#9;&#9;&#9;&#9;&#9;&#9;&#9;&#9;</P>


<P ALIGN="JUSTIFY"></P>


<P ALIGN="JUSTIFY">&nbsp;</P>


<P ALIGN="JUSTIFY">Date:  December 6, 2005</P>


<FONT FACE="Arial" SIZE=1><P ALIGN="CENTER"></P>


</FONT><B><P ALIGN="CENTER">INDEX TO EXHIBITS</P>


</B><P ALIGN="CENTER"></P>


<P>Exhibit</P>


<U><P>Number</U>&#9;&#9;<U>Description</P>


<DIR>


<DIR>


<DIR>


<DIR>


<DIR>


<DIR>





</U><P ALIGN="JUSTIFY">4.4(c)&#9;Amendment to Rights Agreement dated December 1, 2005 (incorporated herein by this reference to Exhibit 4.4 of our Form 8-A/A filed December 6, 2005)</P>


<P ALIGN="JUSTIFY"></P></DIR>


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{"company-data": {"conformed-name": "LYONDELL CHEMICAL CO", "cik": "0000842635", "assigned-sic": "2860", "irs-number": "954160558", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-10145", "film-number": "051246830"}, "business-address": {"street1": "1221 MCKINNEY ST", "street2": "SUITE 700", "city": "HOUSTON", "state": "TX", "zip": "77010", "phone": "713-652-7200"}, "mail-address": {"street1": "1221 MCKINNEY ST", "street2": "SUITE 700", "city": "HOUSTON", "state": "TX", "zip": "77010"}, "former-company": {"former-conformed-name": "LYONDELL PETROCHEMICAL CO", "date-changed": "19920703"}}
SECURITIES AND EXCHANGE COMMISSION
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
Current Report
Pursuant to Section
13 or 15(d) of the
Securities Exchange Act of 1934
Date of Report (date of earliest event reported): November 30, 2005
LYONDELL CHEMICAL COMPANY
(Exact name of registrant as specified in its charter)
Delaware
(State or other jurisdiction of incorporation)
1-10145								95-4160558
(Commission File Number)					(I.R.S. Employer Identification No.)
1221 McKinney Street, Suite 700, Houston, Texas			   77010
(Address of principal executive offices)				(Zip Code)
(713) 652-7200
(Registrant's telephone number, including area code)
Not Applicable
(Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (
see
General Instruction A.2. below):
[ ]	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[ ]	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[ ]	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
[ ]	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
The description set forth below is qualified in its entirety by the full text of the document to which it refers, which document is incorporated herein by reference.
Item 1.01	Entry into a Material Definitive Agreement
.
On November 30, 2005, the Board of Directors of Lyondell Chemical Company (the "Company") approved an amendment (the "Amendment") to the Rights Agreement (the "Rights Agreement") dated December 8, 1995, as amended, between the Company and American Stock Transfer & Trust Company, a New York banking corporation, as Rights Agent.  The Amendment extends the term of the Rights Agreement to December 8, 2015.  The Amendment is filed with this Current Report on Form 8-K as Exhibit 4.4(c).
Item 3.03	Material Modification to Rights of Security Holders.
See Item 1.01 above.  As more fully described in and subject to the terms of the Rights Agreement, the Rights Agreement generally gives holders of Lyondell's common stock and series B common stock rights to acquire additional shares of Lyondell's common stock upon the occurrence of specified events.
Item 9.01	Financial Statements and Exhibits
(c)	Exhibits
4.4(c)	Amendment to Rights Agreement dated December 1, 2005 (incorporated herein by this reference to Exhibit 4.4 of our Form 8-A/A filed December 6, 2005)
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
LYONDELL CHEMICAL COMPANY
By:
/s/ Kerry A. Galvin
Name:	Kerry A. Galvin
Title:	Senior Vice President, General 									Counsel & Secretary
Date:  December 6, 2005
INDEX TO EXHIBITS
Exhibit
Number
Description
4.4(c)	Amendment to Rights Agreement dated December 1, 2005 (incorporated herein by this reference to Exhibit 4.4 of our Form 8-A/A filed December 6, 2005)