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

Patent Owner(s)

Patent Owner	Address
HIGH & NEW TECHNOLOGY RESEARCH CENTER HENAN ACADEMY OF SCIENCES	NO 56 HONGZHI ROAD JINSHUI DISTRICT ZHENGZHOU CITY HENAN PROVINCE ZHENGZHOU CITY HENAN PROVINCE 450000

International Classification(s)

• C07H:SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTI....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
An, Haoyun	Zhengzhou, CN	28	566
Chang, Junbiao	Zhengzhou, CN	16	135
Guo, Xiaohe	Zhengzhou, CN	1	5
Yu, Xuejun	Zhengzhou, CN	5	15

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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	Feb 23, 2028

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
August 23, 2016	US,9422321,B2   US9422321B2	GRANTED PATENT AS SECOND PUBLICATION
November 14, 2013	US,20130303747,A1   US20130303747A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9422321

Pyrimidine nucleoside derivatives, synthesis methods and uses thereof for preparing anti-tumor and anti-virus medicaments

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