US Patent Issued to SAGAMI CHEMICAL RESEARCH INSTITUTE, TOSOH, TOSOH FINECHEM on April 7 for "Method of producing perfluoro(2,4-dimethyl-2-fluoroformyl-1,3-dioxolane)" (Japanese Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,241, issued on April 7, was assigned to SAGAMI CHEMICAL RESEARCH INSTITUTE (Ayase, Japan), TOSOH Corp. (Shunan, Japan) and TOSOH FINECHEM Corp. (Shunan, Japan).

"Method of producing perfluoro(2,4-dimethyl-2-fluoroformyl-1,3-dioxolane)" was invented by Munenori Inoue (Ayase, Japan), Tatsuya Ueji (Ayase, Japan) and Hiroshi Matsuo (Shunan, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method of producing perfluoro(2,4-dimethyl-2-fluoroformyl-1,3-dioxolane, the method having a dimer reaction step of reacting a trifluoropyruvic acid fluoride dimer with hexafluoropropylene oxide in an organic solvent in the presence of one or more flu...