EP Patent

EP1973866A1 — Process for making desvenlafaxine

Assigned to Synthon BV · Expires 2008-10-01 · 18y expired

What this patent protects

Desvenlafaxine is formed from venlafaxine by the use of a demethylating agent comprising a metal sulfide, such as sodium sulfide, and optionally selenium.

USPTO Abstract

Desvenlafaxine is formed from venlafaxine by the use of a demethylating agent comprising a metal sulfide, such as sodium sulfide, and optionally selenium.

Drugs covered by this patent

Patent Metadata

Patent number
EP1973866A1
Jurisdiction
EP
Classification
—
Expires
2008-10-01
Drug substance claim
No
Drug product claim
No
Assignee
Synthon BV
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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