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

Patent Owner(s)

• LG CHEM LTD.

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hong, Wanpyo	Daejeon, KR	67	55
Kim, Kongkyeom	Daejeon, KR	37	242
Kim, Minjun	Daejeon, KR	62	265
Kim, Seong So	Daejeon, KR	33	129
Kwon, Hyok Joon	Daejeon, KR	16	46

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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	Jan 31, 2026
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jan 31, 2030

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
July 31, 2018	US,10035765,B2   US10035765B2	GRANTED PATENT AS SECOND PUBLICATION
October 05, 2017	US,20170283379,A1   US20170283379A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2017/0283,379

NITROGEN-CONTAINING POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING SAME (AS AMENDED)

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