US Patent

US9463161 — Compositions for pulmonary delivery of long-acting muscarinic antagonists and associated methods and systems

Method of Use · Assigned to Pearl Therapeutics Inc · Expires 2030-05-28 · 4y remaining

Vulnerability score 68/100 Moderate — design-around opportunities exist

What this patent protects

This patent protects methods and systems for delivering long-acting muscarinic antagonists and long-acting beta 2 adrenergic receptor agonists via a metered dose inhaler.

USPTO Abstract

Compositions, methods and systems are provided for pulmonary delivery of long-acting muscarinic antagonists and long-acting β 2 adrenergic receptor agonists via a metered dose inhaler. In particular embodiments, the compositions include a suspension medium, active agent particles, and suspending particles, in which the active agent particles and suspending particles form a co-suspension within the suspension medium.

Drugs covered by this patent

FDA Patent Use Codes

When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.

CodeDescriptionDrug
U-2889 — Pulmicort Respules
U-2889 —

Patent Metadata

Patent number
US9463161
Jurisdiction
US
Classification
Method of Use
Expires
2030-05-28
Drug substance claim
No
Drug product claim
Yes
Assignee
Pearl Therapeutics 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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