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

Patent Owner(s)

Patent Owner	Address
PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION	BUSAN 46241

International Classification(s)

• C22B:PRODUCTION OR REFINING OF METALS
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
• C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ha, Chang-Sik	Busan, KR	5	4
Hwang, Chi Won	Daejeon, KR	18	8
Hwang, Teak Sung	Daejeon, KR	2	0
Jung, Won Ho	Daejeon, KR	11	63
Koo, Jin Sun	Daejeon, KR	1	0
Kwak, Noh-Seok	Daejeon, KR	2	0
Park, Hui-Man	Daejeon, KR	2	0
Park, Sung-gyu	Daejeon, KR	13	16

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Sep 10, 2026

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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 10, 2015	US,8975207,B2   US8975207B2	GRANTED PATENT AS SECOND PUBLICATION
October 24, 2013	US,20130277220,A1   US20130277220A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8975207

Method for manufacturing adsorptive ball for recovering precious metals and flow through-continuous deionization (FT-CDI) apparatus using the same

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