CA Patent

CA3140565C — Preparation containing tetracyclic compound at high dose

Assigned to Chugai Pharmaceutical Co Ltd · Expires 2022-10-11 · 4y expired

What this patent protects

An improved solubility of a pharmaceutical composition or formulation containing a large amount of 9-ethy1-6,6- dimethy1-8-(4-morpholin-4-yl-piperidin-1-y1)-11-oxo-6,11- dihydro-5H-benzo[b]carbazole-3-carbonitrile or a salt thereof can be achieved by forming granules of the compo…

USPTO Abstract

An improved solubility of a pharmaceutical composition or formulation containing a large amount of 9-ethy1-6,6- dimethy1-8-(4-morpholin-4-yl-piperidin-1-y1)-11-oxo-6,11- dihydro-5H-benzo[b]carbazole-3-carbonitrile or a salt thereof can be achieved by forming granules of the compound or salt thereof and allowing the granules to be present together with a disintegrating agent. <DIG>

Drugs covered by this patent

Patent Metadata

Patent number
CA3140565C
Jurisdiction
CA
Classification
Expires
2022-10-11
Drug substance claim
No
Drug product claim
No
Assignee
Chugai Pharmaceutical 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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