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

Patent Owner(s)

Patent Owner	Address
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY	REPUBLIC OF KOREA

International Classification(s)

• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chang, Jong San	Daejeon, KR	21	169
Cho, Kyung Ho	Anseong-si, KR	15	77
Hong, Do Young	Yongin-si, KR	14	27
Hwang, Young Kyu	Daejeon, KR	49	689
Lee, Sue Kyung	Daejeon, KR	3	21
Lee, U-Hwang	Daejeon, KR	9	86
Nam, Seung Eun	Daejeon, KR	4	50
Park, You In	Daejeon, KR	2	7
Song, Hye Rim	Daejeon, KR	1	6

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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	Jul 9, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 9, 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 09, 2018	US,9861932,B2   US9861932B2	GRANTED PATENT AS SECOND PUBLICATION
June 09, 2016	US,20160158708,A1   US20160158708A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9861932

Polymer membrane for gas separation or enrichment comprising hybrid nanoporous material, uses thereof, and a preparation method thereof

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