CA Patent

CA3031945C — Transdermal formulation and delivery method of low solubility or unstable unionized neutral drugs by in situ salt-to-neutral drug conversion of salt drug

Assigned to Corium LLC · Expires 2025-09-23 · 1y expired

What this patent protects

Compositions, devices, and methods for transdermal administration of active agents provided in their salt form instead of neutral form are provided.

USPTO Abstract

Compositions, devices, and methods for transdermal administration of active agents provided in their salt form instead of neutral form are provided.

Drugs covered by this patent

donepezil-hydrochloride (DONEPEZIL HYDROCHLORIDE)

Patent Metadata

Patent number: CA3031945C
Jurisdiction: CA
Classification: —
Expires: 2025-09-23
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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