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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QLPxqIyx2CVyP/rXFVpV1wHjucZqxsOCz2/+2Dsa8qRRpvtTnjjJR/KxPFoRPRhg
 38h7fh2hNev6pyOatj0qzQ==

<SEC-DOCUMENT>0001181431-04-000549.txt : 20040105
<SEC-HEADER>0001181431-04-000549.hdr.sgml : 20040105
<ACCEPTANCE-DATETIME>20040105133001
ACCESSION NUMBER:		0001181431-04-000549
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040103
FILED AS OF DATE:		20040105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LARY JOHN E
		CENTRAL INDEX KEY:			0001191274

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09781
		FILM NUMBER:		04503237

	BUSINESS ADDRESS:	
		STREET 1:		C/O MILLIPORE CORP
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730
		BUSINESS PHONE:		7815332272

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MILLIPORE CORP /MA
		CENTRAL INDEX KEY:			0000066479
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				042170233
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		80 ASHBY RD
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730
		BUSINESS PHONE:		7815336000

	MAIL ADDRESS:	
		STREET 1:		80 ASHBY ROAD
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MILLIPORE CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MILLIPORE FILTER CORP
		DATE OF NAME CHANGE:	19661116
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd27129.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2004-01-03</periodOfReport><notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000066479</issuerCik>
        <issuerName>MILLIPORE CORP /MA</issuerName>
        <issuerTradingSymbol>MIL</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001191274</rptOwnerCik>
            <rptOwnerName>LARY JOHN E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>290 CONCORD ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BILLERICA</rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode>01821</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Vice President</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock 1.00 par value</value></securityTitle><transactionDate><value>2004-01-03</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>F</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>600</value></transactionShares><transactionPricePerShare><value>43.07</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>10714</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></owne
rshipNature></nonDerivativeTransaction></nonDerivativeTable><remarks>The reporting person also directly owns employee stock options to purchase shares of Millipore Common Stock: 20130 shares at 20.9457 per share granted 12/08/1994 expiration 12/08/2004; 13458 shares at 33.27 per share granted 12/07/1995 expiration 12/07/2005; 12440 shares at 37.1386 per share granted 12/12/1996 expiration 12/12/2006; 11083 shares at 32.662 per share granted 12/11/1997 expiration 12/11/2007; 16850 shares at 25.588 per share granted 12/10/1998 expiration 12/10/2008; 28273 shares at 31.0593 per share granted 12/09/1999 expiration 12/09/2009; 28273 shares at 40.7308 per share granted 12/07/2000 expiration 12/07/2010; 67854 shares at 53.904 per share granted 12/05/2001 expiration 12/05/2011; 50000 shares at 31.94 per share granted 02/13/2003 expiration 02/13/2013. Options become exercisable in annual cumulative increments of 25% commencing on the first anniversary of the date of grant and expire no later than 10 years after the d
ate of grant.</remarks><ownerSignature><signatureName>patricia a. powers, attorney in fact</signatureName><signatureDate>2004-01-05</signatureDate></ownerSignature></ownershipDocument>



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