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

Patent Owner(s)

Patent Owner	Address
YUNG SHIN PHARMACEUTICAL IND CO LTD	1191 SEC 1 CHUNG-SHAN ROAD TACHIA TAICHUNG

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hua, Xiao Xu	Shanghai, CN	1	1
Lee, Fang Chen	Taichung, TW	2	1
Lee, Fang Yu	Taichung, TW	22	206
Wu, Xu Ai	Shanghai, CN	1	1
Yang, Chang An	Taichung, TW	1	1
Ye, Wu Qiu	Shanghai, CN	1	1
Yong, Ma Wei	Shanghai, CN	1	1

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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
May 03, 2005	US,6887997,B2   US6887997B2	GRANTED PATENT AS SECOND PUBLICATION
June 05, 2003	US,20030105116,A1   US20030105116A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6887997

9H-imidazo[1,2-a]purin-9-one compounds

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