CA Patent

CA2890459C — Ultra low density pulmonary powders

Assigned to Civitas Therapeutics Inc · Expires 2022-08-23 · 4y expired

What this patent protects

The invention provides pharmaceutical compositions for pulmonary delivery comprising particles containing a pharmaceutical agent and having a geometric size of greater than about 5 µm and a tap density of less than about 0.075 g/cm3. The invention also provides methods for delive…

USPTO Abstract

The invention provides pharmaceutical compositions for pulmonary delivery comprising particles containing a pharmaceutical agent and having a geometric size of greater than about 5 µm and a tap density of less than about 0.075 g/cm3. The invention also provides methods for delivering the pharmaceutical compositions of the invention to the respiratory tract of a patient.

Drugs covered by this patent

Patent Metadata

Patent number
CA2890459C
Jurisdiction
CA
Classification
—
Expires
2022-08-23
Drug substance claim
No
Drug product claim
No
Assignee
Civitas 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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