Form 8-K Filing

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of
The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) April 28, 2010  

NANOPHASE TECHNOLOGIES CORPORATION
(Exact name of registrant as specified in its charter)


Delaware 		 
0-22333 		 
36-3687863
(State or other jurisdiction
of incorporation) 		  (Commission File Number)   (IRS Employer Identification No.)


 
1319 Marquette Drive, Romeoville, Illinois 		 
60446 		 
  (Address of principal executive offices)   (Zip Code)  

Registrant's telephone number, including area code:   (630) 771-6700



________________________________________________________________________________
(Former name or former address, if changed since last report)



Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
    [    ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
    [    ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
    [    ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
    [    ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.02. Results of Operations and Financial Condition.

On April 28, 2010, Nanophase reported financial results from its first quarter 2010 and announced an upcoming investor call. A copy of the press release is being furnished as Exhibit 99.1 to this report.

Item 9.01. Financial Statements and Exhibits.

    Exhibit 99.1.       Press release dated April 28, 2010

SIGNATURE

    Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

    NANOPHASE TECHNOLOGIES CORPORATION
(Registrant)
April 28, 2010
(Date) 		  /s/   FRANK CESARIO
FRANK CESARIO
Chief Financial Officer

  Exhibit Index
  99.1 Press release dated April 28, 2010