CA Patent

CA2090171A1 — Opioid receptor antagonists, their synthesis and use as analgesic and immunosuppressive compounds

Assigned to AstraZeneca AB · Expires 1994-08-24 · 32y expired

What this patent protects

Abstract Compounds of the formula I as well as a process for their preparation, their pharmaceutical preparations and their use H-Tyr-Tic-X (I) wherein X is -Phe-OH, -Phe-NH2, -Phe-Phe-OH, -Phe-Phe-NH2, -Trp-Phe-NH2, -Trp-Phe-OH, -Phe-Phe(p-NO2)-OH, -Trp-Phe(p-NO2)-OH or -Phe…

USPTO Abstract

Abstract Compounds of the formula I as well as a process for their preparation, their pharmaceutical preparations and their use H-Tyr-Tic-X (I) wherein X is -Phe-OH, -Phe-NH2, -Phe-Phe-OH, -Phe-Phe-NH2, -Trp-Phe-NH2, -Trp-Phe-OH, -Phe-Phe(p-NO2)-OH, -Trp-Phe(p-NO2)-OH or -Phe-Trp-NH2

Drugs covered by this patent

Patent Metadata

Patent number
CA2090171A1
Jurisdiction
CA
Classification
—
Expires
1994-08-24
Drug substance claim
No
Drug product claim
No
Assignee
AstraZeneca AB
Source
FDA Orange Book + USPTO grounding via Google Patents

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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