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

Patent Owner(s)

Patent Owner	Address
COMPAGNIE EUROPEENNE DU ZIRCONIUM-CEZUS	TOUR AREVA 1 PLACE DE LA COUPOLE COURBEVOIE 92400

International Classification(s)

• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Delons, Laurence	Saint Genis Laval, FR	3	5
Favre-Reguillon, Alain	Villeurbanne, FR	6	23
Lagarde, Stéphane	St Pierre de Mesage, FR	3	3
Lemaire, Marc	Villeurbanne, FR	77	461
Pellet-Rostaing, Stéphane	Villeurbanne, FR	11	12
Poriel, Ludovic	Lyons, FR	2	4

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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
May 04, 2010	US,7708962,B2   US7708962B2	GRANTED PATENT AS SECOND PUBLICATION
May 07, 2009	US,20090117018,A9   US20090117018A9	CORRECTED PATENT APPLICATION
February 07, 2008	US,20080031791,A1   US20080031791A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7708962

Process for the separation and purification of hafnium and zirconium

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