-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Ho5WxZomPFoKAuCMkUMk23zEka3Y1MAwEHI06D2OtqF1NWBxq7IAfl1jcjVFBPH1
 Ho8yscg7SiHGwOhowdOCmg==

<SEC-DOCUMENT>0001181431-03-026229.txt : 20031009
<SEC-HEADER>0001181431-03-026229.hdr.sgml : 20031009
<ACCEPTANCE-DATETIME>20031009111228
ACCESSION NUMBER:		0001181431-03-026229
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030428
FILED AS OF DATE:		20031009

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROBERTS W IAN
		CENTRAL INDEX KEY:			0001265095

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22333
		FILM NUMBER:		03934413

	MAIL ADDRESS:	
		STREET 1:		1319 MARQUETTE DRIVE
		CITY:			ROMBOVILLE
		STATE:			IL
		ZIP:			60446

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NANOPHASE TECHNOLOGIES CORPORATION
		CENTRAL INDEX KEY:			0000883107
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS PRIMARY METAL PRODUCTS [3390]
		IRS NUMBER:				363687863
		STATE OF INCORPORATION:			IL
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		453 COMMERCE ST
		CITY:			BURR RIDGE
		STATE:			IL
		ZIP:			60521
		BUSINESS PHONE:		6303231200

	MAIL ADDRESS:	
		STREET 1:		453 COMMERCE STREET
		CITY:			BURR RIDGE
		STATE:			IL
		ZIP:			60521
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>rrd19644.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>3</documentType><periodOfReport>2003-04-28</periodOfReport>
    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000883107</issuerCik>
        <issuerName>NANOPHASE TECHNOLOGIES CORPORATION</issuerName>
        <issuerTradingSymbol>NANX</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001265095</rptOwnerCik>
            <rptOwnerName>ROBERTS W IAN</rptOwnerName>
        </reportingOwnerId>
<reportingOwnerAddress/>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1319 MARQUETTE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ROMBOVILLE</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60446</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>VP U.S. &amp; International Sales</officerTitle></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeHolding><securityTitle><value>Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>2.375</value></conversionOrExercisePrice><exerciseDate><value>2000-05-24</value><footnoteId id="F1"/></exerciseDate><expirationDate><value>2009-05-24</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>12000</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>1.75</value></conversionOrExercisePrice><exe
rciseDate><value>2000-07-27</value><footnoteId id="F2"/></exerciseDate><expirationDate><value>2009-07-27</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>6667</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>7.6875</value></conversionOrExercisePrice><exerciseDate><value>2001-05-24</value><footnoteId id="F2"/></exerciseDate><expirationDate><value>2010-05-24</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>5200</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnersh
ip></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>10.875</value></conversionOrExercisePrice><exerciseDate><value>2002-01-26</value><footnoteId id="F2"/></exerciseDate><expirationDate><value>2011-01-26</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>12500</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>7.0625</value></conversionOrExercisePrice><exerciseDate><value>2002-02-28</value><footnoteId id="F2"/></exerciseDate><expirationDate><value>2011-02-28</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Sto
ck</value></underlyingSecurityTitle><underlyingSecurityShares><value>12500</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>6.65</value></conversionOrExercisePrice><exerciseDate><value>2003-01-03</value><footnoteId id="F2"/></exerciseDate><expirationDate><value>2012-01-03</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>15000</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>3.66</value></conversion
OrExercisePrice><exerciseDate><value>2004-03-24</value><footnoteId id="F2"/></exerciseDate><expirationDate><value>2013-03-24</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>12000</value></underlyingSecurityShares></underlyingSecurity><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding></derivativeTable><footnotes><footnote id="F1">Subject to certian restrictions, beginning on this date, options vest in five equal annual installments</footnote><footnote id="F2">Subject to certian restrictions, beginning on this date, options vest in three equal annual installments</footnote></footnotes><ownerSignature><signatureName>/s/ W. Ian Roberts</signatureName><signatureDate>2003-10-09</signatureDate></ownerSignature></ownershipDocument>



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