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

Patent Owner(s)

• SUMITOMO CHEMICAL COMPANY, LIMITED

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Anryu, Mitsuharu	Takarazuka, JP	2	12
Jachmann, Markus	Tokyo, JP	12	63
Wakamatsu, Takayuki	Osaka, JP	6	19

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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	May 11, 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
November 11, 2014	US,8884010,B2   US8884010B2	GRANTED PATENT AS SECOND PUBLICATION
July 04, 2013	US,20130172556,A1   US20130172556A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8884010

Method for producing pyridazinone compounds and intermediate thereof

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