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

Patent Owner(s)

Patent Owner	Address
METALYSIS LIMITED	WATH UPON DEARNE ROTHERHAM S63 5DB

International Classification(s)

• C25C:PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVER....
• C25F:PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIAL....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chen, Zheng	Cambridge, GB	402	11152
Farthing, Thomas William	Birmingham, GB	2	29
Fray, Derek John	Cambridge, GB	27	294

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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
September 07, 2010	US,7790014,B2   US7790014B2	GRANTED PATENT AS SECOND PUBLICATION
August 19, 2004	US,20040159559,A1   US20040159559A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7790014

Removal of substances from metal and semi-metal compounds

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