US Patent Issued to Amphastar Pharmaceuticals on Aug. 12 for "Albuterol aerosol suspension formulation for oral inhalation with high amount of green propellant hydrofluoroolefin (HFO) and free of co-solvent" (California Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,516, issued on Aug. 12, was assigned to Amphastar Pharmaceuticals Inc. (Rancho Cucamonga, Calif.).

"Albuterol aerosol suspension formulation for oral inhalation with high amount of green propellant hydrofluoroolefin (HFO) and free of co-solvent" was invented by Jack Yongfeng Zhang (Rancho Cucamonga, Calif.), Ying Wang (Rancho Cucamonga, Calif.), Ray Lameng Lei (Rancho Cucamonga, Calif.) and Mary Zi-ping Luo (Rancho Cucamonga, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Pharmaceutical aerosol formulations containing pre-micronized albuterol sulfate, high amount of green propellant trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), and a surf...