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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
Braun, Clemens	Constance, DE	7	92
Flockerzi, Dieter	Constance, DE	34	257
Hatzelmann, Armin	Constance, DE	33	83
Heuser, Anke	Constance, DE	5	4
Kley, Hans-Peter	Constance, DE	23	171
Kuelzer, Raimund	Constance, DE	31	312
Marx, Degenhard	Constance, DE	37	199
Schlemminger, Imre	Constance, DE	3	1
Schmidt, Beate	Constance, DE	39	295
Sterk, Geert Jan	Constance, DE	25	158
Tenor, Hermann	Constance, DE	23	66
Zitt, Christof	Constance, DE	16	30

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 17, 2027

Fee	Large entity fee	small entity fee	micro entity fee
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
May 17, 2016	US,9340522,B2   US9340522B2	GRANTED PATENT AS SECOND PUBLICATION
March 13, 2014	US,20140073672,A1   US20140073672A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9340522

Pyrazolone-derivatives and their use as PDE-4 inhibitors

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