AU2016201221B2 — Peripheral opioid receptor antagonists and uses thereof
Assigned to Wyeth LLC · Expires 2017-08-10 · 9y expired
What this patent protects
The present invention provides a compound of formula I wherein X", R1, and R2 are as defined herein, and compositions thereof. The compounds include and are based on an impurity of methylnaltrexone, a peripheral opioid antagonist.
USPTO Abstract
The present invention provides a compound of formula I wherein X", R1, and R2 are as defined herein, and compositions thereof. The compounds include and are based on an impurity of methylnaltrexone, a peripheral opioid antagonist.
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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