US Patent Issued to REGENERON PHARMACEUTICALS on June 30 for "Sustained release formulations using non-aqueous emulsions" (New York Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,603, issued on June 30, was assigned to REGENERON PHARMACEUTICALS INC. (Tarrytown, N.Y.).

"Sustained release formulations using non-aqueous emulsions" was invented by Yiming Zhao (Great Neck, N.Y.) and Hunter Chen (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "Non-aqueous emulsion methods for producing polymeric or polymer-coated microparticles are provided. One method produces a sustained release microparticle composition by combining protein powder and a polymer into a hydrocarbon solvent to form a non-aqueous first solution and adding the first solution to a second solution, wherein the second solution comprises a fluorocarbon liquid an...