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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 5EC39KvTa9welF9ErhBqDA==

<SEC-DOCUMENT>0001209191-05-011965.txt : 20050224
<SEC-HEADER>0001209191-05-011965.hdr.sgml : 20050224
<ACCEPTANCE-DATETIME>20050224161300
ACCESSION NUMBER:		0001209191-05-011965
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050218
FILED AS OF DATE:		20050224
DATE AS OF CHANGE:		20050224

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			AANONSEN FRED G
		CENTRAL INDEX KEY:			0001236536

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00496
		FILM NUMBER:		05637608

	MAIL ADDRESS:	
		STREET 1:		1313 N MARKET ST
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19894

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HERCULES INC
		CENTRAL INDEX KEY:			0000046989
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS CHEMICAL PRODUCTS [2890]
		IRS NUMBER:				510023450
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1313 N MARKET ST
		STREET 2:		HERCULES PLAZA
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19894
		BUSINESS PHONE:		3025945000

	MAIL ADDRESS:	
		STREET 1:		HERCULES PLAZA
		STREET 2:		ROOM 8151 NW
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19894-0001

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HERCULES POWDER CO
		DATE OF NAME CHANGE:	19680321
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-02-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000046989</issuerCik>
        <issuerName>HERCULES INC</issuerName>
        <issuerTradingSymbol>HPC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001236536</rptOwnerCik>
            <rptOwnerName>AANONSEN FRED G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>HERCULES PLAZA</rptOwnerStreet1>
            <rptOwnerStreet2>1313 N. MARKET STREET</rptOwnerStreet2>
            <rptOwnerCity>WILMINGTON</rptOwnerCity>
            <rptOwnerState>DE</rptOwnerState>
            <rptOwnerZipCode>19894-0001</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President and Controller</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-02-18</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>750</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>14.45</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>82757</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The vesting date for the grant was February 21, a federal holiday, and therefore valuation information was delayed.  The number of shares to be withheld pursuant to tax withholding was determined using the closing price of Hercules stock for February 18, the last New York Stock Exchange trading day preceding such holiday.</footnote>
        <footnote id="F2">Shares withheld pursuant to tax withholding provision under the Management Incentive Compensation Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Israel J. Floyd
Acting As Attorney in Fact for Fred G. Aanonsen</signatureName>
        <signatureDate>2005-02-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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