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US 10,981,884 B2Granted
Process for the preparation of epoprostenol sodium of enhanced stability
AssigneeChinoin Pharmaceutical and Chemical Works Private Company Ltd.
InventorsIrén Hortobágyi, István Lászlófi, Zsuzsanna Kardos, József Molnár, László Takács, Róbertné Tormási
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Abstract
The invention provides a stable epoprostenol sodium and a process for the preparation this pharmaceutically active ingredient.
Claims9
Stable epoprostenol sodium drug substance which can be stored in deep freezer (−20±5° C.) for at least 3 years, wherein the lyophilized drug substance consists of epoprostenol sodium salt and, related to the amount of the epoprostenol sodium salt, 3-7.5 mass % sodium hydroxide.
Dependencies are inferred from the claim text.