-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 GpP5TzNLtdM32L3rHelrCu6to9lZ6d8wJVAISoMG25dGe4r8sLzPqZPpFNhYe7vw
 TLoEXWbkUqjsPcs3Vl9nXw==

<SEC-DOCUMENT>0001181431-05-065114.txt : 20051207
<SEC-HEADER>0001181431-05-065114.hdr.sgml : 20051207
<ACCEPTANCE-DATETIME>20051207114827
ACCESSION NUMBER:		0001181431-05-065114
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051207
FILED AS OF DATE:		20051207
DATE AS OF CHANGE:		20051207

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BRIGHAM MICHAEL F
		CENTRAL INDEX KEY:			0001136544

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12934
		FILM NUMBER:		051248858

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		2078782770

	MAIL ADDRESS:	
		STREET 1:		IMMUCELL CORP
		STREET 2:		56 EVERGREEN DRIVE
		CITY:			PORTLAND
		STATE:			ME
		ZIP:			04103

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IMMUCELL CORP /DE/
		CENTRAL INDEX KEY:			0000811641
		STANDARD INDUSTRIAL CLASSIFICATION:	IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
		IRS NUMBER:				010382980
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		56 EVERGREEN DR
		CITY:			PORTLAND
		STATE:			ME
		ZIP:			04103
		BUSINESS PHONE:		2078782770

	MAIL ADDRESS:	
		STREET 1:		56 EVERGREEN DRIVE
		CITY:			PORTLAND
		STATE:			ME
		ZIP:			04103
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd99195.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-12-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000811641</issuerCik>
        <issuerName>IMMUCELL CORP /DE/</issuerName>
        <issuerTradingSymbol>ICCC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001136544</rptOwnerCik>
            <rptOwnerName>BRIGHAM MICHAEL F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O IMMUCELL CORP</rptOwnerStreet1>
            <rptOwnerStreet2>56 EVERGREEN DRIVE</rptOwnerStreet2>
            <rptOwnerCity>PORTLAND</rptOwnerCity>
            <rptOwnerState>ME</rptOwnerState>
            <rptOwnerZipCode>04103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.10 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2005-12-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.6875</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>96276</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Incentive stock options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.6875</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-12-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>1996-12-08</value>
            </exerciseDate>
            <expirationDate>
                <value>2005-12-08</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <ownerSignature>
        <signatureName>/s/ Michael F. Brigham, President &amp; CEO</signatureName>
        <signatureDate>2005-12-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----