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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,
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 G6sKuPSuDDpQnbvK3Bt69g==

<SEC-DOCUMENT>9999999995-07-002014.txt : 20070521
<SEC-HEADER>9999999995-07-002014.hdr.sgml : 20070521
<ACCEPTANCE-DATETIME>20070521001549
ACCESSION NUMBER:		9999999995-07-002014
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20070518
DATE AS OF CHANGE:		20070521
EFFECTIVENESS DATE:		20070518

FILER:

	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

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-140461
		FILM NUMBER:		07866274

	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>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2007-05-18</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>16:30:00</finalEffectivenessDispTime>
        <form>S-3</form>
        <filer>
            <cik>0000883107</cik>
            <entityName>NANOPHASE TECHNOLOGIES CORPORATION</entityName>
            <fileNumber>333-140461</fileNumber>
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</edgarSubmission>
</XML>
</TEXT>
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