Patent ID: 9475740
Filing Date: 2016-10-25
CPC Classification: C07C

Claim Text:
1. A process for the production of 1,1,2,3-tetrachloropropene from a feedstream comprising 1,2-dichloropropane, wherein the 1,2-dichloropropane is converted to one or more pentachloropropanes, wherein at least a portion of the pentachloropropanes produced by the process are catalytically dehydrochlorinated using at least one dehydrochlorination catalyst selected from the group consisting of aluminum chloride, antimony pentachloride, titanium tetrachloride, and a combination of these, wherein the pentachloropropanes comprise 1,1,1,2,2-pentachloropropane, and wherein the catalytic dehydrochlorination produces a stream comprising 1,1,2,3-tetrachloropropene and unreacted pentachloropropanes.