US Patent Issued to University of Florida Research Foundation on May 27 for "Preservative removal from eye drops" (Florida, Colorado Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,885, issued on May 27, was assigned to University of Florida Research Foundation Inc. (Gainesville, Fla.).

"Preservative removal from eye drops" was invented by Anuj Chauhan (Golden, Colo.) and Kuan-Hui Hsu (Gainesville, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A BAK removal device is constructed as a plug of microparticles of a hydrophilic polymeric gel that displays a hydraulic permeability greater than 0.01 Da. The polymer hydrophilic polymeric gel comprises poly(2-hydroxyethyl methacrylate) (pHEMA). The particles are 2 to 100 micro metre and the plug has a surface area of 30 mm2 to 2 mm2 and a length of 2 mm to 25 mm and wherein the m...