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

Patent Owner(s)

Patent Owner	Address
EVONIK DEGUSSA GMBH	ESSEN ESSEN NORTH RHINE-WESTPHALIA

International Classification(s)

• C07F:ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CO....
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
DYBALLA, Katrin Marie	Recklinghausen, DE	90	336
FRANKE, Robert	Marl, DE	223	716
FRIDAG, Dirk	Haltern am See, DE	136	638
HESS, Dieter	Marl, DE	82	699

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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	Nov 11, 2024
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 11, 2028

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

Full Text

US Patent Application No: 2017/0129,838

BISPHOSPHITES HAVING 2,4-DIMETHYLPHENYL UNITS AND USE THEREOF AS LIGANDS IN HYDROFORMYLATION

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