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

Patent Owner(s)

Patent Owner	Address
SANGMYUNG UNIVERSITY SEOUL INDUSTRY ACADEMY COOPERATION FOUNDATION	HONGZHI GATE 2 STREET 20 ZHONG LU DISTRICT SEOUL SOUTH KOREA (ZIP CODE 03016)

International Classification(s)

• C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
KANG, Sang-Wook	Seoul, KR	36	583
KANG, Seok-Ju	Ulsan, KR	3	2
LEE, Woong-Gi	Seoul, KR	2	2

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Mar 21, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Mar 21, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

Full Text

US Patent Application No: 2017/0271,637

METHOD OF MANUFACTURING POROUS POLYMER MEMBRANE USING WATER PRESSURE AND BATTERY SEPARATOR COMPRISING POROUS POLYMER MEMBRANE MANUFACTURED BY THE METHOD

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