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

Patent Owner(s)

Patent Owner	Address
DALIAN UNIVERSITY OF TECHNOLOGY	NO 2 LINGGONG ROAD GAOXINYUAN DISTRICT DALIAN 116024
ZHUHAI NINESTAR MANAGEMENT CO LTD	BLOCK 920 BUILDING 1 NO 833 EAST QINHAI ROAD HENGQIN NEW DISTRICT ZHUHAI GUANGDONG 519000 519000

International Classification(s)

• C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
• C09B:ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PROD....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Li, Shaolei	Guangdong, CN	4	3
Liu, Tao	Liaoning, CN	613	3850
Peng, Xiaojun	Liaoning, CN	22	52
Wang, Feng	Guangdong, CN	857	9908
Wang, Jingyue	Liaoning, CN	1	1
Wu, Jinhe	Liaoning, CN	4	4
Yang, Zhengru	Guangdong, CN	1	1
Zhang, Jianzhou	Guangdong, CN	3	3
Zhang, Rong	Liaoning, CN	207	1676

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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	Sep 3, 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
March 03, 2015	US,8968453,B2   US8968453B2	GRANTED PATENT AS SECOND PUBLICATION
December 12, 2013	US,20130327248,A1   US20130327248A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2013/0327,248

ANTHRAPYRIDONE SULFONIC ACID COMPOUNDS AND THEIR PREPARATION METHODS AND APPLICATIONS

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