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

Patent Owner(s)

Patent Owner	Address
ORONZIO DENORA IMPIANTI ELECTROCHIMICI S P A A CORP OF ITALY	VIA BISTOLFI 35 MILAN

International Classification(s)

• C25B:ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE ....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Balko, Edward N	Middletown, NJ	20	571
Coker, Thomas G	Lexington, MA	18	614
LaConti, Anthony B	Lynnfield, MA	60	1829

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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

Full Text

US Patent No: 4455210

Multi layer ion exchanging membrane with protected interior hydroxyl ion rejection layer

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