US Patent Issued to THE CHEMOURS COMPANY FC on Sept. 23 for "Process for producing 1,1,1,4,4,4-hexafluorobut-2-ene" (Delaware, Maryland Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,181, issued on Sept. 23, was assigned to THE CHEMOURS COMPANY FC LLC (Wilmington, Del.).

"Process for producing 1,1,1,4,4,4-hexafluorobut-2-ene" was invented by Sheng Peng (Hockessin, Del.) and Allen Capron Sievert (Elkton, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for producing E-1,1,1,4,4,4-hexafluorobut-2-ene comprises contacting 1,1,2,4,4-pentachlorobuta-1,3-diene with hydrogen fluoride in the vapor phase in the presence of a fluorination catalyst. A process for producing Z-1,1,1,4,4,4-hexafluorobut-2-ene further comprises contacting E-1,1,1,4,4,4-hexafluoro-2-butene with chlorine in the presence of a catalyst to produce 2,3-...