US Patent 6972332 Process for the production of opiates
Patent 6972332 was granted and assigned to Acura Pharmaceuticals on December, 2005 by the United States Patent and Trademark Office.
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Patent abstract
A morphine component, e.g., a concentrate of poppy straw, is converted into codeine in high yield and high purity and in a highly controlled manner. The conversion process involves the following steps: (a) providing a solution or suspension of a morphine component in an inert solvent or a mixture of solvents; (b) methylating the resultant solution or suspension with a methylating agent in the presence of an alkaline ingredient; and (c) recovering the resultant codeine as the free base or as a salt.
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Patent Inventor Names
Charles A. Francis0
Date of Patent
December 6, 2005
0Patent Application Number
108500150
Date Filed
May 20, 2004
0Patent Primary Examiner
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US Patent 6972332 Process for the production of opiates
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