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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
TECHNISCHE UNIVERSITEIT DELFT	STEVINWEG 1 DELFT 2628 CN

International Classification(s)

• B01D:SEPARATION

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Jansen, Jacobus Cornelis	Deflt, NL	11	305
# of filed Patents : 11 Total Citations : 305
Kapteijn, Frederik	Purmerend, NL	2	12
# of filed Patents : 2 Total Citations : 12
Khajavi, Sheida	The Hague, NL	1	0
# of filed Patents : 1 Total Citations : 0

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• 0 Citation Count
• B01D Class

• 0 % this patent is cited more than
• 12 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 26, 2013	US,8382988,B2   US8382988B2	GRANTED PATENT AS SECOND PUBLICATION
December 01, 2011	US,20110290729,A1   US20110290729A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8382988

Process for the production of ultra pure water using a membrane

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Abstract

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The invention is directed to a process for the production of ultra pure water, comprising feeding water containing ions and optionally other impurities to one side of a membrane based on hydroxy sodalite (H-SOD), and recovering ultra pure water from the other side of the membrane.

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Description

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Claims

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Legal Events

 

• STCH2017
• FP2017
• LAPS2017
• REMI2016
• CC2015
• I2013
• P2011
• AS2011
• AS2011
• F2009
• PD2008

Date	Code	Event	Description
Mar 27, 2017	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Feb 26, 2017	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Feb 26, 2017
Feb 26, 2017	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Oct 07, 2016	REMI	MAINTENANCE FEE REMINDER MAILED
Sep 01, 2015	CC	CERTIFICATE OF CORRECTION
Feb 26, 2013	I	Issuance
Dec 01, 2011	P	Published
Sep 26, 2011	AS	ASSIGNMENT	free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE ADDRESS PREVIOUSLY RECORDED ON REEL 026759 FRAME 0780. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT TO 'TECHNISCHE UNIVERSITEIT DELFT, OF STEVINWEG 1, 2628 CN DELFT, THE NETHERLANDS';ASSIGNORS:KHAJAVI, SHEIDA;KAPTEIJN, FREDERIK;JANSEN, JACOBUS CORNELIS;SIGNING DATES FROM 20110701 TO 20110727;REEL/FRAME:027049/0123 Owner name: TECHNISCHE UNIVERSITEIT DELFT, NETHERLANDS
Aug 16, 2011	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KHAJAVI, SHEIDA;KAPTEIJN, FREDERIK;JANSEN, JACOBUS CORNELIS;SIGNING DATES FROM 20110701 TO 20110727;REEL/FRAME:026759/0780 Owner name: TECHNISCHE UNIVERSITEIT DELFT, NETHERLANDS
Nov 30, 2009	F	Filing
Dec 01, 2008	PD	Priority Date