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

Patent Owner(s)

Patent Owner	Address
HETERO DRUGS LIMITED	HETERO HOUSE 8-3-166/71 ERRAGADDA HYDERABAD ANDHRAPRADESH 500 018

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Muralidhara, Reddy Dasari	Hyderabad, IN	111	109
Narasa, Reddy Attunuri	Hyderabad, IN	3	4
Parthasaradhi, Reddy Bandi	Hyderabad, IN	145	158
Raji, Reddy Rapolu	Hyderabad, IN	102	111
Rathnakar, Reddy Kura	Hyderabad, IN	139	178

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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
August 10, 2010	US,7772399,B2   US7772399B2	GRANTED PATENT AS SECOND PUBLICATION
October 06, 2005	US,20050222208,A1   US20050222208A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7772399

Process for amorphous form of donepezil hydrochloride

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