ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,019, issued on Oct. 7, was assigned to Occidental Chemical Corp. (Dallas).
"Process for the production of chlorinated hydrocarbons" was invented by John L. Dawkins (Derby, Kan.), Darrell Hollis (Conway Springs, Kan.), Keith S. Kramer (Andover, Kan.), Brian Calderwood (Wichita, Kan.) and Michael A. Garmon (Manvel, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process of the type for producing 1,1,1,2,3-pentachloropropane by introducing 1,1,1,3-tetrachloropropane, chlorine, and Lewis acid catalyst, optionally in the presence of carbon tetrachloride, the improvement comprising introducing the Lewis acid as a slurry within a chlorinated hydrocar...