EP Patent

EP3321269B1 — Process for preparing buprenorphine intermediates

Assigned to Johnson Matthey PLC · Expires 2020-04-29 · 6y expired

What this patent protects

Patent listed against oxymorphone-hydrochloride.

Drugs covered by this patent

oxymorphone-hydrochloride (OXYMORPHONE HYDROCHLORIDE)

Patent Metadata

Patent number: EP3321269B1
Jurisdiction: EP
Classification: —
Expires: 2020-04-29
Drug substance claim: No
Drug product claim: No
Assignee: Johnson Matthey PLC
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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