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

Patent Owner(s)

Patent Owner	Address
FUDAN UNIVERSITY OF SHANGHAI CHINA	NO 220 HAN DAN RD SHANGHAI 200433

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Pan, Sheng-li	Shanghai, CN	1	4
Qian, Fu-gang	Shanghai, CN	1	4
Shao, Yi-ci	Shanghai, CN	1	4
Wang, Jun	Shanghai, CN	2215	18848
Wen, Ren	Shanghai, CN	1	5
Xie, Jing	Shanghai, CN	92	1177

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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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 22, 2005	US,6858648,B2   US6858648B2	GRANTED PATENT AS SECOND PUBLICATION
March 18, 2004	US,20040053994,A1   US20040053994A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6858648

Laetispicine and laetispicine analogues, methods of use and preparation

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