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

Patent Owner(s)

Patent Owner	Address
SUMITOMO CHEMICAL COMPANY LIMITED	2-7-1 NIHONBASHI CHUO-KU TOKYO 103-6020

International Classification(s)

• C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
• C07D:HETEROCYCLIC COMPOUNDS
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• G03F:PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNE....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ichikawa, Koji	Osaka, JP	316	1995
Nishimura, Takashi	Osaka, JP	255	2605

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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	Jul 30, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 30, 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 30, 2018	US,9880466,B2   US9880466B2	GRANTED PATENT AS SECOND PUBLICATION
November 17, 2016	US,20160334702,A1   US20160334702A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9880466

Salt, acid generator, resin, resist composition and method for producing resist pattern

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