EP Patent

EP0811624A1 — Purine compounds and xanthine oxidase inhibitors

Assigned to Yamasa Corp · Expires 1997-12-10 · 28y expired

What this patent protects

Purine or triazolopurine compounds represented by formula (I) or (II): wherein R 1 and R 4 represent each hydrogen, halogeno, hydroxy, mercapto, or amino; R 2 represents alkyl or aryl; and R 3 and R 5 represent each hydrogen, alkyl, or aryl; and pharmaceutical composit…

USPTO Abstract

Purine or triazolopurine compounds represented by formula (I) or (II): wherein R 1 and R 4 represent each hydrogen, halogeno, hydroxy, mercapto, or amino; R 2 represents alkyl or aryl; and R 3 and R 5 represent each hydrogen, alkyl, or aryl; and pharmaceutical compositions comprising these compounds as an active ingredient in particular, xanthine oxidase inhibitors, remedies for hyperuricemia, or remedies or preventive agents for gout.

Drugs covered by this patent

Patent Metadata

Patent number
EP0811624A1
Jurisdiction
EP
Classification
—
Expires
1997-12-10
Drug substance claim
No
Drug product claim
No
Assignee
Yamasa Corp
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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.