CA Patent

CA3116458C — New forms of pyrido[1,2-a]pyrimidin-4-one derivatives, its formulation and its process of making

Assigned to F Hoffmann La Roche AG · Expires 2023-12-12 · 2y expired

What this patent protects

The present invention relates to a process for the preparation of 7-(4,7-diazaspiro[2.5]octan-7-yl)-2-(2,8-dimethylimidazo[1,2-b]pyridazin-6-yl)pyrido[1,2-a]pyrimidin-4-one useful as pharmaceutically active compounds.

USPTO Abstract

The present invention relates to a process for the preparation of 7-(4,7-diazaspiro[2.5]octan-7-yl)-2-(2,8-dimethylimidazo[1,2-b]pyridazin-6-yl)pyrido[1,2-a]pyrimidin-4-one useful as pharmaceutically active compounds.

Drugs covered by this patent

Patent Metadata

Patent number
CA3116458C
Jurisdiction
CA
Classification
—
Expires
2023-12-12
Drug substance claim
No
Drug product claim
No
Assignee
F Hoffmann La Roche AG
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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