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

Patent Owner(s)

Patent Owner	Address
INTERQUIM S A	08173 SANT CUGAT DEL VALLÈS BARCELONA

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS
• C30B:SINGLE-CRYSTAL GROWTH

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Marquillas, Olondriz Francisco	Barcelona, ES	21	17
Salaet, Ferré Josep	Barcelona, ES	3	0

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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	Apr 13, 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
October 13, 2015	US,9157166,B2   US9157166B2	GRANTED PATENT AS SECOND PUBLICATION
June 13, 2013	US,20130145983,A1   US20130145983A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9157166

Process for preparing the crystalline form A of (2-[3-cyano-4-(2-I-butoxy)phenyl]-4-methyl-5-thiazole-carboxylic acid (febuxostat)

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