-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 WkehS1WJjAgkEx+D6IGWaaJhW6bHsjq+2nGpR/qOaWnfwv8Oiyo8vmKSrJlCC7kv
 cf0g6Nw+KcV5Q/HLesgGYg==

<SEC-DOCUMENT>0001194368-03-000002.txt : 20030514
<SEC-HEADER>0001194368-03-000002.hdr.sgml : 20030514
<ACCEPTANCE-DATETIME>20030514113957
ACCESSION NUMBER:		0001194368-03-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030514
FILED AS OF DATE:		20030514

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RACHESKY MARK H MD
		CENTRAL INDEX KEY:			0001194368

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27718
		FILM NUMBER:		03697480

	BUSINESS ADDRESS:	
		STREET 1:		NEOSE TECHNOLOGIES INC
		STREET 2:		102 WITMER RD
		CITY:			HORSHAM
		STATE:			PA
		ZIP:			19044
		BUSINESS PHONE:		2153159000

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEOSE TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0000877902
		STANDARD INDUSTRIAL CLASSIFICATION:	MEDICINAL CHEMICALS & BOTANICAL PRODUCTS [2833]
		IRS NUMBER:				133549286
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		102 WITMER RD
		CITY:			HORSHAM
		STATE:			PA
		ZIP:			19044
		BUSINESS PHONE:		2154415890

	MAIL ADDRESS:	
		STREET 1:		102 WITMER ROAD
		CITY:			HORSHAM
		STATE:			PA
		ZIP:			19044

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NEOSE PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	19950817
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0101</schemaVersion>

<documentType>4</documentType>

    <periodOfReport>2003-05-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

<issuer>        <issuerCik>0000877902</issuerCik>
        <issuerName>NEOSE TECHNOLOGIES INC</issuerName>
<issuerTradingSymbol>NTEC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001194368</rptOwnerCik>
            <rptOwnerName>RACHESKY MARK H MD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
<reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeSecurity>
        <securityTitle>
            <value>Non-Qualified Stock Option (right to buy)</value>
        </securityTitle>
        <conversionOrExercisePrice>
            <value>9.78</value>
        </conversionOrExercisePrice>
        <transactionDate>
            <value>2003-05-13</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>A</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionAmounts>
            <transactionShares>
                <value>10000</value>
            </transactionShares>
            <transactionValue>
                <value>0</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <exerciseDate>
            <value>2003-05-13</value>
                <footnoteId id="F1"/>
        </exerciseDate>
        <expirationDate>
            <value>2013-05-13</value>
        </expirationDate>
        <underlyingSecurity>
            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>
            <underlyingSecurityShares>
                <value>10000</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>
            <valueOwnedFollowingTransaction>
                <value>10000</value>
            </valueOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </derivativeSecurity>

    <footnotes>
        <footnote id="F1">Grant to reporting person of an option to buy 10,000 shares of common stock, exercisable immediately on the date of grant subject to the Issuer's right of repurchase, which right of repurchase expires on May 13, 2004, the first anniversary of the date of grant.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Wendy L. Nagy  For: Mark H. Rachesky</signatureName>
        <signatureDate>2003-05-14</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----