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

Patent Owner(s)

Patent Owner	Address
MERCK KGAA	FRANKFURTER STRASSE 250 DARMSTADT 64293

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
Eberle, Thomas	Landau, DE	114	806
Jatsch, Anja	Frankfurt am Main, DE	118	725
Kroeber, Jonas Valentin	Frankfurt am Main, DE	86	626
Parham, Amir Hossain	Frankfurt am Main, DE	191	1987
Pflumm, Christof	Darmstadt, DE	129	1655

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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 25, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Dec 25, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 25, 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 25, 2024	US,12022732,B2   US12022732B2	GRANTED PATENT AS SECOND PUBLICATION
July 15, 2021	US,20210217966,A1   US20210217966A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 12022732

Materials for organic electroluminescent devices

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