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

Patent Owner(s)

Patent Owner	Address
DONG-A PHARMACEUTICAL CO LTD	SEOUL 130-823

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kim, Heung Jae	Seongnam-si, KR	29	336
Kwak, Woo Young	Yongin-si, KR	15	62
Min, Jong Pil	Yongin-si, KR	5	5
Shim, Hyun Joo	Yongin-si, KR	4	0
Yoo, Moohi	Seoul, KR	11	18
Yoon, Tae Hyun	Yongin-si, KR	10	10

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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	Jun 3, 2025

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
December 03, 2013	US,8598347,B2   US8598347B2	GRANTED PATENT AS SECOND PUBLICATION
January 19, 2012	US,20120016126,A1   US20120016126A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8598347

Method for manufacturing dipeptidyl peptidase-IV inhibitor and intermediate

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