EP0547442A1 — Dihydropyrimidin derivatives used as A-II receptor antagonists
Assigned to ER Squibb and Sons LLC · Expires 1993-06-23 · 33y expired
What this patent protects
Novel A-II receptor antagonists have the formula or its isomer wherein R₁, R₂, R₃, R₄, R₅, and R₆, are as defined herein. These compounds inhibit the action of angiotensin II and are useful, therefore, for example, as antihypertensive agents.
USPTO Abstract
Novel A-II receptor antagonists have the formula or its isomer wherein R₁, R₂, R₃, R₄, R₅, and R₆, are as defined herein. These compounds inhibit the action of angiotensin II and are useful, therefore, for example, as antihypertensive agents.
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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