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<title>Prepared By R.R. Donnelley Financial -- Form 8-K</title>
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<b>UNITED STATES </b></font></div>

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<b>SECURITIES AND EXCHANGE COMMISSION </b></font></div>

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<b>Washington D.C., 20549 </b></font></div>

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<b>Form 8-K </b></font></div> <div><font Size="1">&nbsp;</font></div>

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<b>Current Report </b></font></div>

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<b>Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 </b></font></div>

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<b>Date Of Report (Date Of Earliest Event Reported):&nbsp;&nbsp;08/12/2005 </b></font></div>




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<b>OCTEL CORP. </b></font></div>

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<b>(Exact Name of Registrant as Specified in its Charter)</b></font></div>

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<b>Commission File Number:&nbsp;&nbsp;1-13879</b></font></div>

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<div Align="center"><font Face="times New Roman" Size="3" Color="#000000"><b>Delaware</b></font>
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<div Align="center"><font Face="times New Roman" Size="3" Color="#000000"><b>98-0181725</b></font>
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<b>(State or Other Jurisdiction of</b></font>
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<div Align="center"><font Face="times New Roman" Size="2" Color="#000000"><b>(I.R.S. Employer</b></font>
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<b>Incorporation or Organization)</b></font>
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<b>Identification No.)</b></font>
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<b>Global House, Bailey Lane, Manchester,  M90 4AA</b></font></div>


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<b>(Address of Principal Executive Offices, Including Zip Code)</b></font>
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<b>011 44 161 498 8889 </b></font>
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<b>(Registrant&#146;s Telephone Number, Including Area Code) </b></font>
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<b> </b></font>
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<b>(Former name or former address, if changed since last report) </b></font>
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<b>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:<BR><BR>
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<b>[&nbsp;&nbsp;]&nbsp;&nbsp;
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<BR><BR>

[&nbsp;&nbsp;]&nbsp;&nbsp;
Soliciting material pursuant to Rule 14a-12 under the Exchange Act(17CFR240.14a-12)<BR><BR>


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Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act(17CFR240.14d-2(b))<BR><BR>


[&nbsp;&nbsp;]&nbsp;&nbsp;
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act(17CFR240.13e-4(c))
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Items to be Included in this Report</b>
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<b>Item 8.01.&nbsp;&nbsp;&nbsp;&nbsp;Other Events</b></font>
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Octel Corp. announced on August 12, 2005, that its Board of Directors had declared a semi-annual dividend of $0.07 (seven cents) per share on common stock. The cash dividend will be payable on September 30, 2005 to holders of record of the Corporation's common stock at close of business on August 31, 2005. </div><div align="left" style="text-indent:4%">The press release, dated August 12, 2005, announcing the semi-annual dividend is filed as Exhibit 99.1 to this report on Form 8-K and is incorporated herein by reference.</div><div align="left" style="text-indent:4%">The information contained in this Item 8.01, including the attached Exhibit 99.1, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. <p></div><div align="left" style="text-indent:4%"></font>
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<b>Signature(s) </b></font>
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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. </font>
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	OCTEL CORP.</font>
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	Date: August 12, 2005.</font>
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	By:</font>
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	/s/&nbsp;&nbsp;&nbsp;&nbsp;Andrew Hartley</font>
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	Andrew Hartley</font>
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	<div><font Face="times New Roman" Size="2" Color="#000000">General Counsel and Corprate Secretary</font>
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<b>Exhibit Index </b></font>
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	<b>Exhibit&nbsp;No.</b></font>
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	<b>Description</b></font>
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	EX-99.1</font>
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	Press release dated August 12, 2005, declaring semi annual dividend.</font>
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Prepared By R.R. Donnelley Financial -- Form 8-K
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):  08/12/2005
OCTEL CORP.
(Exact Name of Registrant as Specified in its Charter)
Commission File Number:  1-13879
Delaware
98-0181725
(State or Other Jurisdiction of
(I.R.S. Employer
Incorporation or Organization)
Identification No.)
Global House, Bailey Lane, Manchester,  M90 4AA
(Address of Principal Executive Offices, Including Zip Code)
011 44 161 498 8889
(Registrant's Telephone Number, Including Area Code)
(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:
[  ]  
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(17CFR240.14a-12)
[  ]  
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act(17CFR240.14d-2(b))
[  ]  
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act(17CFR240.13e-4(c))
Items to be Included in this Report
Item 8.01.    Other Events
Octel Corp. announced on August 12, 2005, that its Board of Directors had declared a semi-annual dividend of $0.07 (seven cents) per share on common stock. The cash dividend will be payable on September 30, 2005 to holders of record of the Corporation's common stock at close of business on August 31, 2005.
The press release, dated August 12, 2005, announcing the semi-annual dividend is filed as Exhibit 99.1 to this report on Form 8-K and is incorporated herein by reference.
The information contained in this Item 8.01, including the attached Exhibit 99.1, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.
Signature(s)
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.
OCTEL CORP.
Date: August 12, 2005.
By:
/s/    Andrew Hartley
Andrew Hartley
General Counsel and Corprate Secretary
Exhibit Index
Exhibit No.
Description
EX-99.1
Press release dated August 12, 2005, declaring semi annual dividend.