CA Patent

CA2561829C — Crystal of 1,2-dihydropyridine compound and method for producing same

Assigned to Eisai R&D Management Co Ltd · Expires 2009-11-24 · 16y expired

What this patent protects

The invention provides crystals of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one and production processes therefor.

USPTO Abstract

The invention provides crystals of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one and production processes therefor.

Drugs covered by this patent

Patent Metadata

Patent number
CA2561829C
Jurisdiction
CA
Classification
—
Expires
2009-11-24
Drug substance claim
No
Drug product claim
No
Assignee
Eisai R&D Management Co 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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