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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 AFdT/VnLtUwZATPl3cpVgg==

<SEC-DOCUMENT>0001208439-03-000001.txt : 20031006
<SEC-HEADER>0001208439-03-000001.hdr.sgml : 20031006
<ACCEPTANCE-DATETIME>20031006161927
ACCESSION NUMBER:		0001208439-03-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031006
FILED AS OF DATE:		20031006

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HEINEMANN DIETER
		CENTRAL INDEX KEY:			0001208439

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31238
		FILM NUMBER:		03929879

	BUSINESS ADDRESS:	
		STREET 1:		35 INDUSTRIAL PARKWAY
		CITY:			BRANCHBURG
		STATE:			NJ
		ZIP:			08876

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HYDROMER INC
		CENTRAL INDEX KEY:			0000704432
		STANDARD INDUSTRIAL CLASSIFICATION:	PATENT OWNERS & LESSORS [6794]
		IRS NUMBER:				222303576
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		35 INDUSTRIAL PKWY
		CITY:			SOMERVILLE
		STATE:			NJ
		ZIP:			08876
		BUSINESS PHONE:		9085262828

	MAIL ADDRESS:	
		STREET 1:		35 INDUSTRIAL PKWY
		CITY:			BRANCHBURG
		STATE:			NJ
		ZIP:			08876-3518
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-10-06</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000704432</issuerCik>
        <issuerName>HYDROMER INC</issuerName>
        <issuerTradingSymbol>HYDI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001208439</rptOwnerCik>
            <rptOwnerName>HEINEMANN DIETER</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>35 INDUSTRIAL PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BRANCHBURG</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08876</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>

        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2003-10-06</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2003-10-06</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.75</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>661000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>

    </nonDerivativeTable>


    <remarks>Exercise of a Stock Option at US$0.75 per share.  Option was awarded on October 21, 1998 to active directors at the then market price.  Stock is restricted.</remarks>

    <ownerSignature>
        <signatureName>/ss/ Dieter Heinemann</signatureName>
        <signatureDate>2003-10-06</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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