GB Patent

GB1584461A — Imidazotriazines imidazotriazinones and pharmaceutical compositions containing them

Assigned to Allen and Hanburys Ltd · Expires 1981-02-11 · 45y expired

What this patent protects

Patent listed against vardenafil-hydrochloride.

Drugs covered by this patent

vardenafil-hydrochloride (VARDENAFIL HYDROCHLORIDE)

Patent Metadata

Patent number: GB1584461A
Jurisdiction: GB
Classification: —
Expires: 1981-02-11
Drug substance claim: No
Drug product claim: No
Assignee: Allen and Hanburys Ltd
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.