Process of preparing low ABUK oxymorphone hydrochloride

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United States of America Patent

PATENT NO 9918979
APP PUB NO 20160220560A1
SERIAL NO

14608544

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Abstract

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An improved method for the preparation of the low ABUK oxymorphone hydrochloride is provided. The oxymorphone hydrochloride is produced by hydrogenating a starting material comprising oxymorphone base and 14-hydroxymorphinone in a mixture comprising an alcohol, water and an acid, removing some of the water and adding more alcohol to the mixture.

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Patent Owner(s)

Patent OwnerAddress
MACFARLAN SMITH LIMITED10 WHEATFIELD RD EDINBURGH EH11 2QA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heinrich, Brian Fitchburg, US 12 9
Matharu, Saroop Shirley, US 7 5
Mirmehrabi, Mahmoud Halifax, CA 55 173
Singh, Aniruddh Acton, US 20 87

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