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.
Patent No.:
Date of Patent:
Sep. 08, 2026
Filed:
Apr. 30, 2019
Applicant:
Purdue Research Foundation, West Lafayette, IN (US);
Inventors:
Qi Zhou, West Lafayette, IN (US);
Shaoning Wang, BenXi, CN;
Assignee:
Purdue Research Foundation, West Lafayette, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/685 (2006.01); A61K 9/127 (2025.01); A61K 31/4709 (2006.01); A61K 38/12 (2006.01);
U.S. Cl.
CPC ...
A61K 31/685 (2013.01); A61K 9/127 (2013.01); A61K 31/4709 (2013.01); A61K 38/12 (2013.01);
Abstract
The present disclosure generally relates to a process for manufacturing liposomes containing polymyxin and quinolone as a treatment for bacterial infections. In particular, the present invention utilizes an anionic lipid as an essential component of a liposome for efficient encapsulation of polymyxin and quinolone, which affords a stable more efficient pharmaceutical composition for the treatment of a bacterial infection, especially infections of the lungs. Pharmaceutical compositions and methods of treatment are within the scope of this invention.