US2021128657A1PendingUtilityA1
Extraction of pharmaceutically active components from plant materials
Est. expiryAug 14, 2022(expired)· nominal 20-yr term from priority
Inventors:Brian WhittleColin A. HillIan R. FlockhartDavid Victor DownsPeter GibsonGary William Wheatley
A61K 36/3482A61K 31/658Y02A50/30B01D 11/0203A61K 36/185A61K 31/352
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Abstract
The invention relates to the extraction of pharmaceutically active components from plant materials, and more particularly to the preparation of a botanical drug substance (BDS) for incorporation in to a medicament. It also relates to a BDS of given purity, for use in pharmaceutical formulations. In particular it relates to BDS comprising cannabinoids obtained by extraction from cannabis.
Claims
exact text as granted — not AI-modified1 . A botanical drug substance obtainable from botanical raw material from a high THC containing cannabis plant having a THC content, wherein said botanical drug substance is an extract derived from the high THC cannabis plant comprising at least 50% THC w/w of extract, no more than 5% CBD as % w/w of the THC content, and no more than 5% cannabinoids other than THC and CBD as % w/w of the THC content.
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