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

Patent Owner(s)

Patent Owner	Address
PURDUE PHARMA L P	ONE STAMFORD FORUM STAMFORD CT 06901

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brown, Kevin	Philadelphia , US	175	2547
Doyle, Timothy J	Morristown , US	4	2
Whitehead, John W F	Newtown , US	8	67

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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
July 07, 2009	US,7557219,B2   US7557219B2	GRANTED PATENT AS SECOND PUBLICATION
March 29, 2007	US,20070072909,A1   US20070072909A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7557219

Methods for making 4-tetrazolyl-4-phenylpiperidine compounds

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