ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,411, issued on Jan. 13, was assigned to BAXTER INTERNATIONAL INC. (Deerfield, Ill.) and BAXTER HEALTHCARE SA (Glattpark, Switzerland).

"Azithromycin premix formulation and product, methods of preparing same, and methods of using same" was invented by Jane Werling (Arlington Heights, Ill.), Melissa R. Wilson (Ingleside, Ill.) and Amanda Bayer (Waunakee, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aseptically prepared pharmaceutically acceptable azithromycin premix formulation has a pH value of 5.5 to 7.5, preferably 6.0 to 7.0, more preferably 6.3 to 7.0, even more preferably 6.3 to 6.7, for example about 6.5. Preferred embodiments of the ...