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<TITLE>Filed by Bowne Pure Compliance</TITLE>
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<P style="font-size: 14pt" align="center"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
<FONT
style="font-size: 12pt">Washington, D.C. 20549 </FONT></B>

<P style="font-size: 18pt" align="center"><B>FORM 8-K</B>

<P style="font-size: 12pt" align="center"><B>CURRENT REPORT<BR>
Pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934</B>

<P style="font-size: 10pt" align="center"><B>Date of Report (Date of earliest event reported): October 22, 2008</B>

<P align="center">&nbsp;

<P style="font-size: 24pt" align="center"><B>CLEANTECH BIOFUELS, INC.<BR>
</B><FONT style="font-size: 10pt">(Exact name
of registrant as specified in its charter) </FONT>
<TABLE style="font-size: 10pt; text-align: center" cellspacing="0" cellpadding="0" width="100%" border="0">

 <TR>
  <TD width="32%">&nbsp;</TD>
  <TD width="1%">&nbsp;</TD>
  <TD width="33%">&nbsp;</TD>
  <TD width="1%">&nbsp;</TD>
  <TD width="32%">&nbsp;</TD>
 </TR>
 <TR valign="bottom">
  <TD style="border-bottom: #000000 1px solid"><B>Delaware</B></TD>
  <TD>&nbsp;</TD>
  <TD style="border-bottom: #000000 1px solid"><B>333-145939</B></TD>
  <TD>&nbsp;</TD>
  <TD style="border-bottom: #000000 1px solid"><B>33-0754902</B></TD>
 </TR>
 <TR valign="top">
  <TD>(State or other Jurisdiction of Incorporation)</TD>
  <TD>&nbsp;</TD>
  <TD>(Commission File Number)</TD>
  <TD>&nbsp;</TD>
  <TD>(IRS Employer Identification No.)</TD>
 </TR>

</TABLE>
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  <TD width="49%">&nbsp;</TD>
  <TD width="1%">&nbsp;</TD>
  <TD width="49%">&nbsp;</TD>
 </TR>
 <TR valign="bottom">
  <TD style="border-bottom: #000000 1px solid"><B>7386 Pershing Ave, University City, Missouri<BR>
</B></TD>
  <TD>&nbsp;</TD>
  <TD style="border-bottom: #000000 1px solid"><B>63130</B></TD>
 </TR>
 <TR valign="top">
  <TD>(Address of Principal Executive Offices)</TD>
  <TD>&nbsp;</TD>
  <TD>(Zip Code)</TD>
 </TR>

</TABLE>


<P style="font-size: 10pt" align="center">Registrant&#8217;s telephone number, including area code: <B>(314)
862-8670</B>
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  <TD style="border-bottom: #000000 1px solid" nowrap><B>N/A<BR>
</B></TD>
 </TR>
 <TR>
  <TD nowrap>(Former name or former address if changed since last report.)</TD>
 </TR>

</TABLE>


<P style="font-size: 10pt" align="left">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:

<P style="font-size: 10pt" align="left"><FONT face="Wingdings">o</FONT> Written communications pursuant to Rule 425
under the Securities Act (17 CFR 230.425)<BR>
<BR>
<FONT face="Wingdings">o</FONT> Soliciting material pursuant to Rule
14a-12 under the Exchange Act (17 CFR 240.14a-12)<BR>
<BR>
<FONT face="Wingdings">o</FONT> Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<BR>
<BR>
<FONT
face="Wingdings">o</FONT> Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))<BR>


<P>&nbsp;
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<P style="display: none; font-size: 10pt" align="center">1
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<P style="font-size: 10pt" align="justify"><B>Section&nbsp;1 &#8211; Registrant&#8217;s Business and Operations</B>

<P style="font-size: 10pt" align="justify"><B>Item&nbsp;1.01. Entry into a Material Definitive Agreement.</B>

<P style="font-size: 10pt" align="justify">On October&nbsp;22, 2008, CleanTech Biofuels, Inc. (the
&#8220;Company&#8221;) completed the purchase of Patent No.&nbsp;6,306,248 (the &#8220;Patent&#8221;) pursuant to a
Patent Purchase Agreement (&#8220;Agreement&#8221;) with World Waste Technologies, Inc. (&#8220;WWT&#8221;) dated as of
October&nbsp;22, 2008. The Patent is the basis for the pressurized steam classification technology that cleans and
separates municipal solid waste into its component parts, which the Company currently licenses from Bio Products
International, Inc.

<P style="font-size: 10pt" align="justify">Upon signing the Agreement, the Company paid WWT $150,000, issued a Note in
the amount of $450,000 (the &#8220;Note&#8221;), and issued a warrant to purchase 900,000 shares of the Company&#8217;s
Common Stock at a price of $0.45 per share (the &#8220;Warrant&#8221;). The Note matures on July&nbsp;22, 2009, bears
interest at 6.0% per annum and is secured by a security interest in the Patent. The Warrants are exercisable at any
time for five years from the date of issuance. In addition, the Company issued a contingent Warrant to purchase 900,000
shares of its Common Stock at a price of $0.45 per share (the &#8220;Contingent Warrant&#8221;). The Contingent Warrant
becomes exercisable if the Company defaults on its obligations under the Note and remains exercisable for five years
from that date.

<P style="font-size: 10pt" align="justify">A copy of the Agreement, the Note, and the Security Agreement between WWT
and the Company dated October&nbsp;22, 2008 is attached as Exhibit&nbsp;10.15, Exhibit&nbsp;10.16, and
Exhibit&nbsp;10.17, respectively, and each is incorporated herein by reference. The foregoing description of each
agreement is qualified in its entirety by reference to the full text of such agreement.

<P style="font-size: 10pt" align="justify"><B>Section&nbsp;2 &#8211; Financial Information</B>

<P style="font-size: 10pt" align="justify"><B>Item&nbsp;2.03. Creation of a Direct Financial Obligation or an
Obligation under an Off-Balance Sheet Arrangement of a Registrant.</B>

<P style="font-size: 10pt" align="justify">Pursuant to the terms of the Agreement mentioned in Item&nbsp;1.01 of this
Form 8-K, the Company issued the Note to WWT in the principal amount of $450,000. The Note matures on July&nbsp;22, 2009, bears
interest at 6.0% per annum and is secured by a security interest in the Patent.

<P style="font-size: 10pt" align="justify"><B>Item 9.01 Financial Statements and Exhibits</B>

<P style="font-size: 10pt" align="justify">(d)&nbsp;<B>Exhibits</B>

<P>
<TABLE style="font-size: 10pt" cellspacing="0" cellpadding="0" width="100%" border="0">

<TR style="font-size: 10pt; background: none transparent scroll repeat 0% 0%; color: #000000" valign="top">
  <TD style="background: none transparent scroll repeat 0% 0%" width="4%">&nbsp;</TD>
  <TD nowrap align="left" width="7%"><B><U>Exhibit No.</U></B></TD>
  <TD width="3%">&nbsp;</TD>
  <TD><DIV style="text-align: justify"><B><U>Description</U></B></DIV></TD>
</TR>

<TR style="font-size: 10pt; background: none transparent scroll repeat 0% 0%; color: #000000" valign="top">
  <TD style="background: none transparent scroll repeat 0% 0%" width="4%">&nbsp;</TD>
  <TD nowrap align="left">10.15</TD>
  <TD>&nbsp;</TD>
  <TD><DIV style="text-align: justify">Patent Purchase Agreement dated October&nbsp;22, 2008 by and between CleanTech Biofuels, Inc. and World Waste Technologies, Inc.</DIV></TD>
</TR>

<TR style="font-size: 10pt; background: none transparent scroll repeat 0% 0%; color: #000000" valign="top">
  <TD style="background: none transparent scroll repeat 0% 0%" width="4%">&nbsp;</TD>
  <TD nowrap align="left">&nbsp;</TD>
  <TD>&nbsp;</TD>
  <TD>&nbsp;</TD>
</TR>

<TR style="font-size: 10pt; background: none transparent scroll repeat 0% 0%; color: #000000" valign="top">
  <TD style="background: none transparent scroll repeat 0% 0%" width="4%">&nbsp;</TD>
  <TD nowrap align="left">10.16</TD>
  <TD>&nbsp;</TD>
  <TD><DIV style="text-align: justify">Note issued in favor of World Waste Technologies, Inc. dated October&nbsp;22, 2008.</DIV></TD>
</TR>

<TR style="font-size: 10pt; background: none transparent scroll repeat 0% 0%; color: #000000" valign="top">
  <TD style="background: none transparent scroll repeat 0% 0%" width="4%">&nbsp;</TD>
  <TD nowrap align="left">&nbsp;</TD>
  <TD>&nbsp;</TD>
  <TD>&nbsp;</TD>
</TR>

<TR style="font-size: 10pt; background: none transparent scroll repeat 0% 0%; color: #000000" valign="top">
  <TD style="background: none transparent scroll repeat 0% 0%" width="4%">&nbsp;</TD>
  <TD nowrap align="left">10.17</TD>
  <TD>&nbsp;</TD>
  <TD><DIV style="text-align: justify">Security Agreement between CleanTech Biofuels, Inc. and World Waste Technologies, Inc. dated October&nbsp;22, 2008.</DIV></TD>
</TR>

</TABLE>


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<P style="display: none; font-size: 10pt" align="center">2
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<P style="font-size: 10pt" align="center"><B>SIGNATURES</B>

<P style="font-size: 10pt" align="justify">Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

<P style="font-size: 10pt; margin-left: 45%" align="justify"><B>CLEANTECH BIOFUELS, INC.</B>

<P style="font-size: 10pt" align="justify"> <BR>
Date: October&nbsp;27, 2008

<P style="margin-top: -11pt; font-size: 10pt; margin-left: 45%" align="justify">By:&nbsp;&nbsp;<U><B>/</B>s/ Edward P.
Hennessey&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
<BR>
Name:&nbsp;&nbsp;Edward P. Hennessey <BR>
Title:&nbsp;&nbsp;Chief Executive Officer and President

<P style="font-size: 10pt" align="center">

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<P style="font-size: 10pt" align="center"><B>EXHIBIT INDEX</B>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" cellpadding="0" width="100%" border="0">
<!-- Begin Table Head -->

 <TR valign="bottom">
  <TD width="8%">&nbsp;</TD>
  <TD width="5%">&nbsp;</TD>
  <TD width="87%">&nbsp;</TD>
 </TR>
 <TR style="font-size: 10pt" valign="bottom">
  <TD style="border-bottom: #000000 1px solid" nowrap align="left"><B>Exhibit No.</B></TD>
  <TD>&nbsp;</TD>
  <TD style="border-bottom: #000000 1px solid" nowrap align="center"><B>Description</B></TD>
 </TR>
<!-- End Table Head -->
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 <TR valign="bottom">
  <TD valign="top">
<DIV style="margin-left: 0px; text-indent: 0px">10.15 </DIV>
</TD>
  <TD>&nbsp;</TD>
  <TD valign="top" align="left">Patent Purchase Agreement dated October&nbsp;22, 2008 by and between CleanTech
Biofuels, Inc. and World Waste Technologies, Inc.</TD>
 </TR>
 <TR valign="bottom">
  <TD valign="top">
<DIV style="margin-left: 0px; text-indent: 0px">&nbsp;</DIV>
</TD>
  <TD>&nbsp;</TD>
  <TD valign="top" align="left">&nbsp;</TD>
 </TR>
 <TR valign="bottom">
  <TD valign="top">
<DIV style="margin-left: 0px; text-indent: 0px">10.16 </DIV>
</TD>
  <TD>&nbsp;</TD>
  <TD valign="top" align="left">Note issued in favor of World Waste Technologies, Inc. dated October&nbsp;22, 2008.</TD>
 </TR>
 <TR valign="bottom">
  <TD valign="top">
<DIV style="margin-left: 0px; text-indent: 0px">&nbsp;</DIV>
</TD>
  <TD>&nbsp;</TD>
  <TD valign="top" align="left">&nbsp;</TD>
 </TR>
 <TR valign="bottom">
  <TD valign="top">
<DIV style="margin-left: 0px; text-indent: 0px">10.17 </DIV>
</TD>
  <TD>&nbsp;</TD>
  <TD valign="top" align="left">Security Agreement between CleanTech Biofuels, Inc. and World Waste Technologies, Inc.
dated October&nbsp;22, 2008.</TD>
 </TR>
<!-- End Table Body -->

</TABLE>
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<P style="display: none; font-size: 10pt" align="center">4
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{"company-data": {"conformed-name": "CleanTech Biofuels, Inc.", "cik": "0001411036", "assigned-sic": "2860", "irs-number": "330754902"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "333-145939", "film-number": "081142996"}, "business-address": {"street1": "7386 PERSHING AVE.", "city": "ST. LOUIS", "state": "MO", "zip": "63130", "phone": "314-802-8670"}, "mail-address": {"street1": "7386 PERSHING AVE.", "city": "ST. LOUIS", "state": "MO", "zip": "63130"}}
Filed by Bowne Pure Compliance
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): October 22, 2008
CLEANTECH BIOFUELS, INC.
(Exact name
of registrant as specified in its charter)
Delaware
333-145939
33-0754902
(State or other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer Identification No.)
7386 Pershing Ave, University City, Missouri
63130
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number, including area code:
(314)
862-8670
N/A
(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:
o
Written communications pursuant to Rule 425
under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule
14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))
Section 1 – Registrant's Business and Operations
Item 1.01. Entry into a Material Definitive Agreement.
On October 22, 2008, CleanTech Biofuels, Inc. (the
"Company") completed the purchase of Patent No. 6,306,248 (the "Patent") pursuant to a
Patent Purchase Agreement ("Agreement") with World Waste Technologies, Inc. ("WWT") dated as of
October 22, 2008. The Patent is the basis for the pressurized steam classification technology that cleans and
separates municipal solid waste into its component parts, which the Company currently licenses from Bio Products
International, Inc.
Upon signing the Agreement, the Company paid WWT $150,000, issued a Note in
the amount of $450,000 (the "Note"), and issued a warrant to purchase 900,000 shares of the Company's
Common Stock at a price of $0.45 per share (the "Warrant"). The Note matures on July 22, 2009, bears
interest at 6.0% per annum and is secured by a security interest in the Patent. The Warrants are exercisable at any
time for five years from the date of issuance. In addition, the Company issued a contingent Warrant to purchase 900,000
shares of its Common Stock at a price of $0.45 per share (the "Contingent Warrant"). The Contingent Warrant
becomes exercisable if the Company defaults on its obligations under the Note and remains exercisable for five years
from that date.
A copy of the Agreement, the Note, and the Security Agreement between WWT
and the Company dated October 22, 2008 is attached as Exhibit 10.15, Exhibit 10.16, and
Exhibit 10.17, respectively, and each is incorporated herein by reference. The foregoing description of each
agreement is qualified in its entirety by reference to the full text of such agreement.
Section 2 – Financial Information
Item 2.03. Creation of a Direct Financial Obligation or an
Obligation under an Off-Balance Sheet Arrangement of a Registrant.
Pursuant to the terms of the Agreement mentioned in Item 1.01 of this
Form 8-K, the Company issued the Note to WWT in the principal amount of $450,000. The Note matures on July 22, 2009, bears
interest at 6.0% per annum and is secured by a security interest in the Patent.
Item 9.01 Financial Statements and Exhibits
(d)
Exhibits
Exhibit No.
Description
10.15
Patent Purchase Agreement dated October 22, 2008 by and between CleanTech Biofuels, Inc. and World Waste Technologies, Inc.
10.16
Note issued in favor of World Waste Technologies, Inc. dated October 22, 2008.
10.17
Security Agreement between CleanTech Biofuels, Inc. and World Waste Technologies, Inc. dated October 22, 2008.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
CLEANTECH BIOFUELS, INC.
Date: October 27, 2008
By:
/
s/ Edward P.
Hennessey
Name:  Edward P. Hennessey
Title:  Chief Executive Officer and President
EXHIBIT INDEX
Exhibit No.
Description
10.15
Patent Purchase Agreement dated October 22, 2008 by and between CleanTech
Biofuels, Inc. and World Waste Technologies, Inc.
10.16
Note issued in favor of World Waste Technologies, Inc. dated October 22, 2008.
10.17
Security Agreement between CleanTech Biofuels, Inc. and World Waste Technologies, Inc.
dated October 22, 2008.