<SEC-DOCUMENT>0001607953-17-000006.txt : 20170224
<SEC-HEADER>0001607953-17-000006.hdr.sgml : 20170224
<ACCEPTANCE-DATETIME>20170224160558
ACCESSION NUMBER:		0001607953-17-000006
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170222
FILED AS OF DATE:		20170224
DATE AS OF CHANGE:		20170224

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENTEGRIS INC
		CENTRAL INDEX KEY:			0001101302
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTICS PRODUCTS, NEC [3089]
		IRS NUMBER:				411941551
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		129 CONCORD ROAD
		CITY:			BILLERICA
		STATE:			MA
		ZIP:			01821
		BUSINESS PHONE:		9784366500

	MAIL ADDRESS:	
		STREET 1:		129 CONCORD ROAD
		CITY:			BILLERICA
		STATE:			MA
		ZIP:			01821

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Rucci Corey
		CENTRAL INDEX KEY:			0001607953

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32598
		FILM NUMBER:		17637170

	MAIL ADDRESS:	
		STREET 1:		700 DOVER PLACE
		CITY:			SOUTHLAKE
		STATE:			TX
		ZIP:			76092
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
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        <issuerTradingSymbol>ENTG</issuerTradingSymbol>
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            <rptOwnerStreet1>1613 RIVIERA LANE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SOUTHLAKE</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76092</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP, Business Development</officerTitle>
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            <expirationDate>
                <value>2022-02-19</value>
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                <underlyingSecurityTitle>
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                    <value>7198</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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                    <value></value>
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        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
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                <value>12.20</value>
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                <value>2017-02-22</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
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                <transactionShares>
                    <value>6498</value>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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                <footnoteId id="F6"/>
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            <expirationDate>
                <value>2023-02-19</value>
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                    <value>19494</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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    <footnotes>
        <footnote id="F1">The price reported in column 4 is a weighted average price reported in reliance on a letter from the Office of Chief Counsel, Securities and Exchange Commission's Division of Corporate Finance to the Society of Corporate Secretaries &amp; Corporate Governance Professionals dated June 25, 2008. These shares were sold in multiple transactions at prices ranging from $21.625 to $21.75, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.</footnote>
        <footnote id="F2">This option was granted pursuant to the Entegris, Inc. 2010 Stock Plan, as amended, in consideration of service as an employee.</footnote>
        <footnote id="F3">This option is fully vested.</footnote>
        <footnote id="F4">This option vests in four equal annual installments. The first three installments became exercisable on February 19, 2015, February 19, 2016 and February 19, 2017, respectively. The last installment becomes exercisable on February 19, 2018.</footnote>
        <footnote id="F5">This option vests in four equal annual installments. The first two installments became exercisable on February 19, 2016 and February 19, 2017, respectively. The remaining installments will become exercisable on February 19, 2018 and February 19, 2019, respectively.</footnote>
        <footnote id="F6">This option vests in four equal annual installments. The first installment became exercisable on February 19, 2017. The remaining installments become exercisable on February 19, 2018, February 19, 2019 and February 19, 2020, respectively.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Sue Lee, Attorney-In-Fact for Corey Rucci</signatureName>
        <signatureDate>2017-02-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
