AU2013205836B2 — Processes for preparing morphinan-6-one products with low levels of alpha, beta-unsaturated ketone compounds
Assigned to Specgx LLC · Expires 2015-12-10 · 10y expired
What this patent protects
The present invention generally relates to processes for preparing highly pure morphinan-6 one products. The processes involve reducing the concentration of a,j-unsaturated ketone compounds present as impurities in morphinan-6-one products or reactions mixtures including morphina…
USPTO Abstract
The present invention generally relates to processes for preparing highly pure morphinan-6 one products. The processes involve reducing the concentration of a,j-unsaturated ketone compounds present as impurities in morphinan-6-one products or reactions mixtures including morphinan-6-one compounds by treatment with a sulfur-containing compound.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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