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

Patent Owner(s)

Patent Owner	Address
KOREA INSTITUTE OF OCEAN SCIENCE AND TECHNOLOGY	YEONGDO-GU 49111 BUSAN

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Han, Se Jong	Gyeonggi-do, KR	19	60
Kim, Il-Chan	Gyeonggi-do, KR	6	2
Kim, Tai Kyoung	Incheon, KR	12	11
Lee, Hong Kum	Gyeonggi-do, KR	3	3
Lee, Jun Hyuck	Incheon, KR	4	3
Yeo, Kwon Joo	Chungcheongbuk-do, KR	1	0
Yim, Joung Han	Gyeonggi-do, KR	16	14
Youn, Ui Joung	Incheon, KR	5	3

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Mar 6, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Mar 6, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Mar 6, 2034

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
September 06, 2022	US,11434217,B2   US11434217B2	GRANTED PATENT AS SECOND PUBLICATION
August 12, 2021	US,20210246112,A1   US20210246112A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 11434217

Method for synthesis of lobaric acid and analog thereof

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