The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 09, 2025

Filed:

Nov. 13, 2024
Applicant:

Verona Pharma Plc, Cardiff, GB;

Inventors:

Peter Lionel Spargo, Canterbury, GB;

Phillip A. Haywood, Buntingford, GB;

Edward James French, Canterbury, GB;

Assignee:

Verona Pharma PLC, Cardiff, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/519 (2006.01); A61K 9/00 (2006.01); A61K 9/16 (2006.01);
U.S. Cl.
CPC ...
A61K 31/519 (2013.01); A61K 9/0075 (2013.01); A61K 9/1682 (2013.01);
Abstract

The present invention relates to a process for producing a sterile liquid pharmaceutical composition suitable for administration by inhalation comprising ensifentrine particles, wherein the process comprises: (a) heating ensifentrine particles at a temperature of from 100° C. to 220° C. to obtain sterile ensifentrine particles; and (b) combining the sterile ensifentrine particles with a sterile liquid vehicle to produce the sterile liquid pharmaceutical composition suitable for administration by inhalation. A process for producing an ampule comprising the sterile liquid pharmaceutical composition is also described.


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