CA Patent

CA3111516A1 — Nasal drug delivery device

Assigned to Impel Pharmaceuticals Inc · Expires 2012-09-07 · 14y expired

What this patent protects

ABSTRACT A device for delivering a compound to an olfactory region of a nasal cavity which includes a canister configured to contain a propellant and a diffuser in communication with the canister. The diffuser is a one-way check valve. The device also includes a compound chamber …

USPTO Abstract

ABSTRACT A device for delivering a compound to an olfactory region of a nasal cavity which includes a canister configured to contain a propellant and a diffuser in communication with the canister. The diffuser is a one-way check valve. The device also includes a compound chamber in communication with the diffuser. The compound chamber configured to contain the compound. The device also includes a nozzle in communication with the compound chamber. The device is configured to deliver the compound to the olfactory region of the nasal cavity. Date Recue/Date Received 2021-03-05

Drugs covered by this patent

Patent Metadata

Patent number
CA3111516A1
Jurisdiction
CA
Classification
—
Expires
2012-09-07
Drug substance claim
No
Drug product claim
No
Assignee
Impel Pharmaceuticals Inc
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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