US Patent 7557219 Methods for making 4-tetrazolyl-4-phenylpiperidine compounds

Patent 7557219 was granted and assigned to Purdue Pharma on July, 2009 by the United States Patent and Trademark Office.

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Patent Inventor Names

Kevin Brown0

Timothy J. Doyle0

John W. F. Whitehead0

Date of Patent

July 7, 2009

Patent Application Number

114952210

Date Filed

July 28, 2006

Patent Primary Examiner

Patent abstract

Methods, composition, and intermediates are disclosed that are useful for making 4-Tetrazolyl-4-phenylpiperidine Compounds according to Formula I,

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