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

Patent Owner(s)

Patent Owner	Address
SFC CO LTD	CHEONGJU-SI CHUNGCHEONGBUK-DO 28122

International Classification(s)

• H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
• C07D:HETEROCYCLIC COMPOUNDS
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Je, Jong-Tae	Chungcheongbuk-do, KR	19	245
Lee, Sang-Hae	Daejeon, KR	8	213
Lee, Se-jin	Daejeon, KR	164	2068
Park, Jin-Woo	Gyeongsangnam-do, KR	320	3213
Song, Bo-Kyoung	Chungcheonbuk-do, KR	1	62

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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	Mar 24, 2025

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
September 24, 2013	US,8541113,B2   US8541113B2	GRANTED PATENT AS SECOND PUBLICATION
March 04, 2010	US,20100052526,A1   US20100052526A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8541113

Pyrene compounds and organic electroluminescent devices using the same

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