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

Patent Owner(s)

Patent Owner	Address
TAKEDA GMBH	78467 KONSTANZ

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Christoffers, Anna	Oldenburg, DE	2	1
Christoffers, Jens	Oldenburg, DE	3	4
Flockerzi, Dieter	Allensbach, DE	34	257

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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
December 04, 2012	US,8324404,B2   US8324404B2	GRANTED PATENT AS SECOND PUBLICATION
September 24, 2009	US,20090239895,A1   US20090239895A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8324404

3-thia-10-aza-phenanthrene derivatives

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