GB Patent

GB2165148A — Transdermal administration of fentanyl

Assigned to Alza Corp · Expires 1986-04-09 · 40y expired

What this patent protects

Patent listed against Risperdal.

Drugs covered by this patent

Risperdal (risperidone) · Johnson & Johnson (Janssen)

Patent Metadata

Patent number: GB2165148A
Jurisdiction: GB
Classification: —
Expires: 1986-04-09
Drug substance claim: No
Drug product claim: No
Assignee: Alza 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.

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