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

Patent Owner(s)

Patent Owner	Address
CHONG KUN DANG CORP	SEOUL SOUTH KEREAN

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kim, Eung Nam	Seoul, KR	4	8
Kwak, Hyo Sung	Seoul, KR	2	6
Lee, Chong Ryul	Seoul, KR	3	8
Lee, Hong Woo	Kwangmyeong, KR	32	218
Lee, Sang Choon	Kyeongki-do, KR	6	20
Min, Kyeong Bok	Seoul, KR	6	51
Son, Hoi Choo	Suwon, KR	2	6

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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 No: 5756765

2- (2-Substituted pyrrolidin-4-yl) thio-carbapenem derivatives

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