US Patent
US10945950 — Liquid inhalation formulation comprising RPL554
Formulation · Assigned to Verona Pharma Ltd · Expires 2035-09-15 · 9y remaining
Vulnerability score
55/100
Moderate — design-around opportunities exist
What this patent protects
This patent protects a liquid inhalation formulation containing RPL554 or a pharmaceutically acceptable salt thereof.
USPTO Abstract
The present invention relates to a liquid pharmaceutical composition suitable for administration by inhalation which comprises a diluent and a suspension of particles of 9,10-dimethoxy-2-(2,4,6-trimethylphenylimino)-3-(N-carbamoyl-2-aminoethyl)-3,4,6,7-tetrahydro-2H-pyrimido[6,1-a]isoquinolin-4-one (RPL554) or a pharmaceutically acceptable salt thereof. Also described is a liquid pharmaceutical composition according to the invention for use in the treatment of the human or animal body.
Drugs covered by this patent
- Ohtuvayre (ENSIFENTRINE) · Verona Pharma
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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