-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 AZd5U1MqclvNFR8xJSC5Cfm7JEh7JbBxuOpuy23au2huWUJHSQvz7HcDNwsQSW6H
 62x858R65YtcB4wcVwsugQ==

<SEC-DOCUMENT>0001192482-08-000087.txt : 20080311
<SEC-HEADER>0001192482-08-000087.hdr.sgml : 20080311
<ACCEPTANCE-DATETIME>20080311105225
ACCESSION NUMBER:		0001192482-08-000087
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080310
FILED AS OF DATE:		20080311
DATE AS OF CHANGE:		20080311

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ISCO INTERNATIONAL INC
		CENTRAL INDEX KEY:			0000888693
		STANDARD INDUSTRIAL CLASSIFICATION:	INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS [3825]
		IRS NUMBER:				363688459
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1001 CAMBRIDGE DRIVE
		CITY:			ELK GROVE VILLAGE
		STATE:			IL
		ZIP:			60007
		BUSINESS PHONE:		8473919400

	MAIL ADDRESS:	
		STREET 1:		1001 CAMBRIDGE DRIVE
		CITY:			ELK GROVE VILLAGE
		STATE:			IL
		ZIP:			60007

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Reichard Gordon Jr
		CENTRAL INDEX KEY:			0001428960

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-22302
		FILM NUMBER:		08679732

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		847-391-9400

	MAIL ADDRESS:	
		STREET 1:		C/O ISCO INTERNATIONAL INC.
		STREET 2:		1001 CAMBRIDGE DRIVE
		CITY:			ELK GROVE VILLAGE
		STATE:			IL
		ZIP:			60007
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-03-10</periodOfReport>

    <issuer>
        <issuerCik>0000888693</issuerCik>
        <issuerName>ISCO INTERNATIONAL INC</issuerName>
        <issuerTradingSymbol>ISO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001428960</rptOwnerCik>
            <rptOwnerName>Reichard Gordon Jr</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ISCO INTERNATIONAL, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1001 CAMBRIDGE DRIVE</rptOwnerStreet2>
            <rptOwnerCity>ELK GROVE VILLAGE</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60007</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2008-03-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2000000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2000000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Restricted shares awarded to Mr. Reichard, Jr. (&quot;Grantee&quot;) which will vest in six installments as follows:( i) 250,000 Restricted Shares will vest on Mar. 17, 2008, if the Grantee remains continuously employed by the Issuer through that date; (ii) an addiitional 250,000 Restricted Shares will vest on Aug. 30, 2008, if the Grantee remains continuously employed by the Issuer through that date; (iii) an additional 500,000 Restricted Shares will vest on Feb. 28, 2009, if the Grantee remains continuously employed by the Issuer through that date; and (iv) an additional 500,000 Restricted Shares will vest on  Aug. 30, 2009, if the Grantee remains continuously employed by the Issuer through that date; and (v) an additional 250,000 Restricted Shares will vest on Feb. 28, 2010, if the Grantee remains continuously employed by the Issuer through that date; and (vi) an additional 250,000 Restricted Shares will vest on Aug. 30, 2010, if the Grantee remains continuously employed by the I
ssuer.</footnote>
        <footnote id="F2">Mr. Reichard, Jr. did not pay for the shares in question; they were awarded to him pursuant to the Issuer's Restricted Stock Award Agreement.  The 2,000,000 Restricted Shares were awarded to Grantee upon his appointment as Chief Executive Officer of the Issuer, subject to the vesting requirements described in Footnote Number One. The closing price of the subject shares on March 10, 2008 were $0.17 per share.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Frank Cesario, Attorney-In-Fact for Gordon Reichard, Jr.</signatureName>
        <signatureDate>2008-03-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----