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

Patent Owner(s)

Patent Owner	Address
HONG KONG BAPTIST UNIVERSITY	KOWLOON TONG KOWLOON
YUNNAN UNIVERSITY OF NATIONALITIES	650031 NO 121 134 AVENUE KUNMING YUNNAN KUNMING CITY YUNNAN PROVINCE 650031

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bian, Zhaoxiang	Kowloon, HK	41	7
Chan, Albert Sun-Chi	Kowloon, HK	25	104
Fan, Baomin	Yunnan, CN	5	15
Hu, Jun	Yunnan, CN	339	1717
Huang, Chao	Yunnan, CN	185	921
Lin, Chengyuan	Yunnan, CN	33	16
Lu, Aiping	Yunnan, CN	27	7
Wang, Jun	Yunnan, CN	2215	18848
Xu, Jianbin	Yunnan, CN	15	22
Yang, Qingjing	Yunnan, CN	2	0

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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	Mar 16, 2026

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
September 16, 2014	US,8835658,B2   US8835658B2	GRANTED PATENT AS SECOND PUBLICATION
July 03, 2014	US,20140187801,A1   US20140187801A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8835658

Asymmetric synthesis of norcantharidin analougus by alkynylation of oxabenzonorbornadienes and their anticancer activities

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