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

Patent Owner(s)

Patent Owner	Address
SOLVAY (SOCIETE ANONYME)	1050 BRUXELLES

International Classification(s)

• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brunea, John A	Brussels, BE	3	34

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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
March 08, 2011	US,7901831,B2   US7901831B2	GRANTED PATENT AS SECOND PUBLICATION
January 29, 2009	US,20090029215,A1   US20090029215A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7901831

Ion-exchange membranes structured in the thickness and process for manufacturing these membranes

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