EP0663401A1 — Morphinan derivative and medicinal use
Assigned to Toray Industries Inc · Expires 1995-07-19 · 31y expired
What this patent protects
A morphinan derivative represented by formula (1) or a pharmacologically acceptable acid-addition salt thereof, and analgesic, diuretic, antitussive and brain cell protective agents each containing the derivative or the salt as the active ingredient. These compounds have potent a…
USPTO Abstract
A morphinan derivative represented by formula (1) or a pharmacologically acceptable acid-addition salt thereof, and analgesic, diuretic, antitussive and brain cell protective agents each containing the derivative or the salt as the active ingredient. These compounds have potent analgesic, diuretic and antitussive effects as a highly selective κ-opioid agonist, and are useful as analgesic, diuretic and antitussive agents. In addition, they have a significant brain cell protective effect and are useful as a brain cell protective agent.
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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