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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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MIC-Info: RSA-MD5,RSA,
 QlUdAKZiTnKzEiiLgVgRzpOnVetN680xkQ8OYb4XWbfq+GrnSksT0vIzpbVPccec
 6oINu1y9VbYjKWi4YE8eZg==

<SEC-DOCUMENT>0001208442-07-000003.txt : 20070726
<SEC-HEADER>0001208442-07-000003.hdr.sgml : 20070726
<ACCEPTANCE-DATETIME>20070726162833
ACCESSION NUMBER:		0001208442-07-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070726
FILED AS OF DATE:		20070726
DATE AS OF CHANGE:		20070726

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DYCK MARTIN C
		CENTRAL INDEX KEY:			0001208442

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31238
		FILM NUMBER:		071003370

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

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-07-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001208442</rptOwnerCik>
            <rptOwnerName>DYCK MARTIN C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-07-26</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2007-07-27</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.95</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>88680</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Martin Dyck</signatureName>
        <signatureDate>2007-07-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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