CA Patent

CA3168764A1 — Processes for the preparation of crystalline solid forms of active pharmaceutical ingredients using solvent vapour

Assigned to Apotex Inc · Expires 2021-09-02 · 5y expired

What this patent protects

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 accep…

USPTO 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.

Drugs covered by this patent

Patent Metadata

Patent number
CA3168764A1
Jurisdiction
CA
Classification
—
Expires
2021-09-02
Drug substance claim
No
Drug product claim
No
Assignee
Apotex Inc
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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