CA Patent

CA3032044C — Donepezil transdermal delivery system

Assigned to Corium LLC · Expires 2024-10-01 · 2y expired

What this patent protects

A transdermal delivery system for systemic delivery of donepezil is described, where the system comprises drug reservoir layer comprised of an acrylate copolymer, glycerine, and donepezil base generated in situ by reaction of donepezil HCl and an alkaline salt. The system is prov…

USPTO Abstract

A transdermal delivery system for systemic delivery of donepezil is described, where the system comprises drug reservoir layer comprised of an acrylate copolymer, glycerine, and donepezil base generated in situ by reaction of donepezil HCl and an alkaline salt. The system is provided for treatment of Alzheimer's disease, and achieves transdermal delivery of the therapeutic agent that is bioequivalent to administration of the therapeutic agent orally.

Drugs covered by this patent

Patent Metadata

Patent number
CA3032044C
Jurisdiction
CA
Classification
—
Expires
2024-10-01
Drug substance claim
No
Drug product claim
No
Assignee
Corium LLC
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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