-----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,
 Hp/75kRPpP+ONJn/sLHYem/dd4zZdayGzBFIGKnoNLSc68NOzivw5eX9bPYkMyUe
 DX1hpXt6v4NJ9i9n2bVv8A==

<SEC-DOCUMENT>0001289317-05-000012.txt : 20051121
<SEC-HEADER>0001289317-05-000012.hdr.sgml : 20051121
<ACCEPTANCE-DATETIME>20051121153831
ACCESSION NUMBER:		0001289317-05-000012
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051114
FILED AS OF DATE:		20051121
DATE AS OF CHANGE:		20051121

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Denney Larry W
		CENTRAL INDEX KEY:			0001289317

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50520
		FILM NUMBER:		051217944

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		561-793-4643

	MAIL ADDRESS:	
		STREET 1:		12871 COMPTON ROAD
		CITY:			LOXAHATCHEE
		STATE:			FL
		ZIP:			33470

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BIOMASS PROCESSING TECHNOLOGY INC
		CENTRAL INDEX KEY:			0001230489
		STANDARD INDUSTRIAL CLASSIFICATION:	FOOD & KINDRED PRODUCTS [2000]
		IRS NUMBER:				650638890
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3222 COMMERCE PLACE
		STREET 2:		SUITE A
		CITY:			WEST PALM BEACH
		STATE:			FL
		ZIP:			33407
		BUSINESS PHONE:		5616846611

	MAIL ADDRESS:	
		STREET 1:		3222 COMMERCE PLACE, SUITE A
		CITY:			WEST PALM BEACH
		STATE:			FL
		ZIP:			33407
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-11-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001230489</issuerCik>
        <issuerName>BIOMASS PROCESSING TECHNOLOGY INC</issuerName>
        <issuerTradingSymbol>n/a</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001289317</rptOwnerCik>
            <rptOwnerName>Denney Larry W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>12871 COMPTON ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LOXAHATCHEE</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33470</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President, CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-11-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>482500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>31514163.5</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Disposition of shares to the issuer for no consideration.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Larry W Denney</signatureName>
        <signatureDate>2005-11-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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