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

Patent Owner(s)

Patent Owner	Address
DUPONT SPECIALTY MATERIALS KOREA LTD	56 3-GONGDAN 1-RO SEOBUK-GU CHEONAN-SI CHUNGCHEONGNAM-DO 31093

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS
• C07B:GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS TH....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
CHOI, Eun-Joung	Gyeonggi-do, KR	13	1
DOH, Yoo-Jin	Gyeonggi-do, KR	27	94
JEON, Jeong-Hwan	Gyeonggi-do, KR	22	93
JUNG, So-Young	Gyeonggi-do, KR	85	196
KIM, Hae-Yeon	Gyeonggi-do, KR	15	11
PARK, So-Mi	Gyeonggi-do, KR	32	13
RATHWELL, Dominea	Gyeonggi-do, KR	13	22
SEO, Mi-Ran	Gyeonggi-do, KR	9	1

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Dec 27, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Dec 27, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 27, 2035

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

Full Text

US Patent Application No: 2024/0208,924

COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME

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