AU2007224221B2 — Processes for preparing morphinan-6-one products with low levels of alpha, beta-unsaturated ketone compounds
Assigned to Specgx LLC · Expires 2013-02-14 · 13y 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 α, β-unsaturated ketone compounds present as impurities in morphinan 6 one products or reaction 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 α, β-unsaturated ketone compounds present as impurities in morphinan 6 one products or reaction mixtures including morphinan 6 one compounds by treatment with a sulfur-containing compound. (A)
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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