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US Patent 8742109 Synthetic methods for spiro-oxindole compounds

Patent 8742109 was granted and assigned to Xenon Pharmaceuticals on June, 2014 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Xenon Pharmaceuticals

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

87421090

Patent Inventor Names

Sultan Chowdhury0

Thomas Isarno0

Elke Huthmann0

Emad El-Sayed0

Jean-Jacques Cadieux0

Jianmin Fu0

Mikhail Chafeev0

Qi Jia0

...

Date of Patent

June 3, 2014

Patent Application Number

136203910

Date Filed

September 14, 2012

Patent Citations Received

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US Patent 11840545 Spirooxindole-copper complex as novel efficient anticorrosion agent for C-steel

Patent Primary Examiner

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Shawquia Young

Patent abstract

This invention is directed to methods of preparing certain spiro-oxindole derivatives, which are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.

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