EP Patent

EP1864967A1 — Method for preparing O-desmethyl-venlafaxine

Assigned to Wyeth LLC · Expires 2007-12-12 · 18y expired

What this patent protects

A method for preparing O-desmethyl-venlafaxine is provided which comprises demethylating venlafaxine or a salt thereof with an alkali metal salt of a trialkyl borohydride.

USPTO Abstract

A method for preparing O-desmethyl-venlafaxine is provided which comprises demethylating venlafaxine or a salt thereof with an alkali metal salt of a trialkyl borohydride.

Drugs covered by this patent

Patent Metadata

Patent number
EP1864967A1
Jurisdiction
EP
Classification
—
Expires
2007-12-12
Drug substance claim
No
Drug product claim
No
Assignee
Wyeth LLC
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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