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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Vd0DtEZKVkbgvWHgpArPZOT41RUx0Vjxwfb41V3yJYqbZiO44n3/TODobo2bEl1i
 bYgdzWW56eRvoCFmXUpkGg==

<SEC-DOCUMENT>0000897101-05-002689.txt : 20051220
<SEC-HEADER>0000897101-05-002689.hdr.sgml : 20051220
<ACCEPTANCE-DATETIME>20051220172735
ACCESSION NUMBER:		0000897101-05-002689
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051104
FILED AS OF DATE:		20051220
DATE AS OF CHANGE:		20051220

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NORTHERN TECHNOLOGIES INTERNATIONAL CORP
		CENTRAL INDEX KEY:			0000875582
		STANDARD INDUSTRIAL CLASSIFICATION:	CONVERTED PAPER & PAPERBOARD PRODS (NO CONTAINERS/BOXES) [2670]
		IRS NUMBER:				410857886
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1104

	BUSINESS ADDRESS:	
		STREET 1:		6680 N HIGHWAY 49
		CITY:			LINO LAKES
		STATE:			MN
		ZIP:			55014
		BUSINESS PHONE:		6127841250

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NORTHERN INSTRUMENTS CORP
		DATE OF NAME CHANGE:	19930328

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DALAL VINEET
		CENTRAL INDEX KEY:			0001346739

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11038
		FILM NUMBER:		051276392

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		651-784-1250

	MAIL ADDRESS:	
		STREET 1:		6680 N HIGHWAY 49
		CITY:			LINO LAKES
		STATE:			MN
		ZIP:			55014
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>nt055209dalal_3ex.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-11-04</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000875582</issuerCik>
        <issuerName>NORTHERN TECHNOLOGIES INTERNATIONAL CORP</issuerName>
        <issuerTradingSymbol>NTI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001346739</rptOwnerCik>
            <rptOwnerName>DALAL VINEET</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3122 AILSA CRAIG CT</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ANN ARBOR</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>48108</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Marketing Mgr of New Tech</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <remarks>Officer does not beneficially own any securities at this time. Late Filing</remarks>

    <ownerSignature>
        <signatureName>/s/ Vineet Dalal</signatureName>
        <signatureDate>2005-12-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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