-----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,
 WCbC562OYdEpVXHVmEbROAt3/QjyLplc2Bwju9sCJPwWVUlGh3qjJEjFI0sdI++G
 Vf3tiGvTMTCVHc2LNGJQCg==

<SEC-DOCUMENT>0001209191-05-024012.txt : 20050505
<SEC-HEADER>0001209191-05-024012.hdr.sgml : 20050505
<ACCEPTANCE-DATETIME>20050505082921
ACCESSION NUMBER:		0001209191-05-024012
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050503
FILED AS OF DATE:		20050505
DATE AS OF CHANGE:		20050505

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PARKER H STEWART
		CENTRAL INDEX KEY:			0001217456
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27718
		FILM NUMBER:		05801359

	BUSINESS ADDRESS:	
		STREET 1:		1100 OLIVE WAY
		STREET 2:		STE 100
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98101
		BUSINESS PHONE:		2066237612
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-05-03</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001217456</rptOwnerCik>
            <rptOwnerName>PARKER H STEWART</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>102 WITMER ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HORSHAM</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks>The reporting person is not the direct or beneficial owner of any of the issuer's securities at this time.</remarks>

    <ownerSignature>
        <signatureName>By: Scott R. Jones for H. Stewart Parker</signatureName>
        <signatureDate>2005-05-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----