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

Patent Owner(s)

• SUMITOMO SEIKA CHEMICALS CO., LTD.

International Classification(s)

• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Fujiwara, Takeshi	Hyogo, JP	112	673
Kanda, Hisaaki	Hyogo, JP	5	3
Kuad, Paul	Mulhouse, FR	3	9
Shiraishi, Hiroyuki	Hyogo, JP	43	165

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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	Dec 14, 2023
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 14, 2027

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 14, 2016	US,9365507,B2   US9365507B2	GRANTED PATENT AS SECOND PUBLICATION
January 03, 2013	US,20130005982,A1   US20130005982A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9365507

Diaryl sulfone compound, and manufacturing method for same

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