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

Patent Owner(s)

Patent Owner	Address
APOTEX INC	TORONTO ONTARIO M9L 1T9

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Agostino, Sandra Vittoria	Toronto, CA	1	25
Leung-Toung, Regis	Mississauga, CA	21	49
Li, Wanren	Toronto, CA	16	122
Shah, Birenkumar Hasmukhbhai	Toronto, CA	3	26
Tam, Tim Fat	Woodbridge, CA	46	240
Wang, Yingsheng	Toronto, CA	25	81
Zhao, Yanqing	Toronto, CA	28	69

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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
February 22, 2011	US,7893269,B2   US7893269B2	GRANTED PATENT AS SECOND PUBLICATION
April 24, 2008	US,20080096886,A1   US20080096886A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7893269

Process for the manufacture of 3-hydroxy-N-alkyl-1-cycloalky1-6-alkyl-4-oxo-1,4-dihydropyridine-2-carboxamide and its related analogues

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