-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 AvkOqhb0vzxMQRi1sFHuG7RQcaj0vkKBqNIr8UHad9ak10n6JY4e8LIEhhIuhXFo
 vLmzJADJDj2VzoTAQCH2qw==

<SEC-DOCUMENT>0000716823-03-000053.txt : 20031001
<SEC-HEADER>0000716823-03-000053.hdr.sgml : 20031001
<ACCEPTANCE-DATETIME>20031001172046
ACCESSION NUMBER:		0000716823-03-000053
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030930
FILED AS OF DATE:		20031001

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MILACRON INC
		CENTRAL INDEX KEY:			0000716823
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				311062125
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1228

	BUSINESS ADDRESS:	
		STREET 1:		2090 FLORENCE AVENUE
		STREET 2:		PO BOX 63716
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45206
		BUSINESS PHONE:		5134875000

	MAIL ADDRESS:	
		STREET 1:		2090 FLORENCE AVENUE
		STREET 2:		P.O. BOX 63716
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45206

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CINCINNATI MILACRON INC /DE/
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CINCINNATI MILACRON HOLDINGS INC
		DATE OF NAME CHANGE:	19830503

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CINCINNATI MILLING MACHINE CO
		DATE OF NAME CHANGE:	19600201

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HACKMAN FRANKLIN BARBARA
		CENTRAL INDEX KEY:			0001182003

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08485
		FILM NUMBER:		03921539

	BUSINESS ADDRESS:	
		STREET 1:		C/O AETNA INC CORP SECRETARY
		STREET 2:		151 FARMINGTON AVE RC4A
		CITY:			HARTFORD
		STATE:			CT
		ZIP:			06156
		BUSINESS PHONE:		8602733338

	MAIL ADDRESS:	
		STREET 1:		C/O AETENA INC CORP SECRETARY OFFICE
		STREET 2:		151 FARMINGTON AVE RC4A
		CITY:			HARTFORD
		STATE:			CT
		ZIP:			06156
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-09-30</periodOfReport>
    <issuer>
        <issuerCik>0000716823</issuerCik>
        <issuerName>MILACRON INC</issuerName>
        <issuerTradingSymbol>MZ</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001182003</rptOwnerCik>
            <rptOwnerName>HACKMAN FRANKLIN BARBARA</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2090 FLORENCE AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CINCINNATI</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>45206</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeTransaction><securityTitle><value>Phantom Stock Units</value></securityTitle><conversionOrExercisePrice><footnoteId id="F1"/></conversionOrExercisePrice><transactionDate><value>2003-09-30</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>1052.63</value></transactionShares><transactionPricePerShare><value>2.375</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><footnoteId id="F2"/></exerciseDate><expirationDate><footnoteId id="F2"/></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><unde
rlyingSecurityShares><value>1052.63</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5751.54</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">1-for-1</footnote><footnote id="F2">Acquisition of phantom stock units under the company's deferred compensation plan for non-employee directors.  Benefits are payable upon the earlier of termination of services or death.</footnote></footnotes><remarks/><ownerSignature><signatureName>Walter S. Wood</signatureName><signatureDate>2003-10-01</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----