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

Patent Owner(s)

Patent Owner	Address
SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY	710021 SHAANXI CITY OF XI'AN PROVINCE WEIYANG UNIVERSITY CITY XI'AN CITY SHAANXI PROVINCE 710021

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Jia, Minyi	Xi'an, CN	10	1
Liang, Chengyuan	Xi'an, CN	62	13
Tian, Danni	Xi'an, CN	11	1
Wang, Xuechuan	Xi'an, CA	15	7
Xie, Xiaolin	Xi'an, CN	31	43
Zhang, Dezhu	Xi'an, CN	14	8

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Mar 12, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Mar 12, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

Full Text

US Patent No: 9758503

Coumarin-gossypol derivatives with antitumor activities and a method of preparing the same

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