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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 MrRhB09kt8gqFl3qasAzx3lgxKbnCn+wjIHHCxnLSQ9e0tHMGNnZ4pnMGBh5aVUs
 4qKvYL9wDSDxa/zSMw0npQ==

<SEC-DOCUMENT>0001209191-04-004510.txt : 20040123
<SEC-HEADER>0001209191-04-004510.hdr.sgml : 20040123
<ACCEPTANCE-DATETIME>20040123190413
ACCESSION NUMBER:		0001209191-04-004510
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040121
FILED AS OF DATE:		20040123

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BIOTIME INC
		CENTRAL INDEX KEY:			0000876343
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				943127919
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		935 PARDEE ST
		CITY:			BERKELEY
		STATE:			CA
		ZIP:			94710
		BUSINESS PHONE:		5108459535

	MAIL ADDRESS:	
		STREET 1:		935 PARDEE STREET
		CITY:			BERKELEY
		STATE:			CA
		ZIP:			94710

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GREENBELT CORP /NY
		CENTRAL INDEX KEY:			0000938354

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12830
		FILM NUMBER:		04541705

	BUSINESS ADDRESS:	
		STREET 1:		277 PARK AVE 27TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2123505100

	MAIL ADDRESS:	
		STREET 1:		277 PARK AVENUE
		STREET 2:		27TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10172
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2004-01-21</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000876343</issuerCik><issuerName>BIOTIME INC</issuerName>        <issuerTradingSymbol>BTX</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0000938354</rptOwnerCik><rptOwnerName>GREENBELT CORP /NY</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>110 E. 59TH STREET</rptOwnerStreet1><rptOwnerStreet2>SUITE 3203</rptOwnerStreet2><rptOwnerCity>NEW YORK</rptOwnerCity><rptOwnerState>NY</rptOwnerState><rptOwnerZipCode>10022</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>1</isOther><otherText>13D Group-10% Owner</otherText></reportingOwnerRelationship></reportingOwner><nonDerivat
iveTable><nonDerivativeTransaction><securityTitle><value>Common Shares, no par value</value></securityTitle><transactionDate><value>2004-01-21</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>X</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>96807.0000</value><footnoteId id="F1" /></transactionShares><transactionPricePerShare><value>1.4000</value><footnoteId id="F2" /></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>951267.0000</value><footnoteId id="F1" /><footnoteId id="F3" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownersh
ipNature></nonDerivativeTransaction></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Subcription Rights</value></securityTitle><conversionOrExercisePrice><value>1.4000</value><footnoteId id="F2" /></conversionOrExercisePrice><transactionDate><value>2004-01-21</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>X</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>774460.0000</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-12-10</value></exerciseDate><expirationDate><value>2004-01-21</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Shares</v
alue></underlyingSecurityTitle><underlyingSecurityShares><value>96807.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction><derivativeHolding><securityTitle><value>Subcription Rights</value></securityTitle><conversionOrExercisePrice><value>1.4000</value><footnoteId id="F2" /></conversionOrExercisePrice><exerciseDate><value>2003-12-10</value></exerciseDate><expirationDate><value>2004-01-21</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Warrants</value></underlyingSecurityTitle><underlyingSecurityShares><value>48403.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNat
ure><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeTransaction><securityTitle><value>Warrants</value></securityTitle><conversionOrExercisePrice><value>2.0000</value></conversionOrExercisePrice><transactionDate><value>2004-01-21</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>X</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>48403.0000</value><footnoteId id="F1" /></transactionShares><transactionPricePerShare><value>1.4000</value><footnoteId id="F2" /></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2004-01-21</value></exerciseDate><expirationDate><value>2007-01-14</value></expirationDate><underlyingSe
curity><underlyingSecurityTitle><value>Common Shares</value></underlyingSecurityTitle><underlyingSecurityShares><value>48403.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>48403.0000</value><footnoteId id="F1" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">Does not include additional securities that may be acquired by over-subscription under subscription rights exercised. The allocation of such additional securities has not been determined.</footnote><footnote id="F2">Price includes one common share and one-half warrant.</footnote><footnote id="F3">Includes 20,000 shares issuable on March 31, 2004 for performance of services under a Consulting Agreement.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>/s/ Alfred D. Kingsl
ey, President</signatureName><signatureDate>2004-01-23</signatureDate></ownerSignature></ownershipDocument>

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</TEXT>
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</SEC-DOCUMENT>
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