EP Patent

EP2248805A2 — Method of synthesis of bosentan, its polymorphic forms and its salts

Assigned to Cipla Ltd · Expires 2010-11-10 · 16y expired

What this patent protects

The present invention relates to alkaline earth metal salts of bosentan, anyhdrous bosentan, polymorphic forms thereof, amorphous bosentan and processes for preparing them. The present invention further relates to a process for the preparation of bosentan and its pharmaceutically…

USPTO Abstract

The present invention relates to alkaline earth metal salts of bosentan, anyhdrous bosentan, polymorphic forms thereof, amorphous bosentan and processes for preparing them. The present invention further relates to a process for the preparation of bosentan and its pharmaceutically acceptable salts.

Drugs covered by this patent

Patent Metadata

Patent number
EP2248805A2
Jurisdiction
EP
Classification
—
Expires
2010-11-10
Drug substance claim
No
Drug product claim
No
Assignee
Cipla 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.

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