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Processes for the preparation of multicomponent crystalline forms of active pharmaceutical ingredients using solvent vapour

Grant US12583860B2 Kind: B2 Mar 24, 2026

Assignee

Apotex Inc.

Inventors

Alexander J. Stirk, Fabio E. S. Souza, Avedis Karadeolian, Allan W. Rey, Fatemeh Mohammadpourmir

Abstract

The present invention provides solvent-limited processes for the preparation of an existing crystalline solid form of an active pharmaceutical ingredient comprising mixing, in the presence of solvent vapour, of a solid active pharmaceutical ingredient and a pharmaceutically acceptable entity that is either a high-boiling liquid or a solid. Also provided is the use of a standard rotary apparatus, such as a rotary cone dryer, for application of the processes herein.

CPC Classifications

C07D 487/04 C07B 2200/13 A61K 31/10 A61K 31/4985 A61K 2300/00

Filing Date

2021-02-24

Application No.

17802203

Claims

14