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

Patent Owner(s)

Patent Owner	Address
VALE CANADA LIMITED	TORONTO ON M5J 2K2

International Classification(s)

• C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Buarzaiga, Mohamed	Mississauga, CA	3	5
Devuyst, Eric	Stoney Creek, CA	1	0
Edwards, Julian	Moffat, CA	1	0
Paventi, Joe	Multon, CA	1	0

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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
January 05, 2010	US,7641801,B2   US7641801B2	GRANTED PATENT AS SECOND PUBLICATION
August 28, 2008	US,20080203032,A1   US20080203032A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7641801

Method for removing manganese from nickel laterite waste liquors

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