Occidental Petroleum has patented a process for producing 1,1,2,3-tetrachloropropene by introducing Lewis acid catalyst within a chlorinated hydrocarbon slurry system. The method involves chlorinating 1,1,1,3-tetrachloropropane in the presence of the catalyst to form 1,1,1,2,3-pentachloropropane, which is then further processed in a reactive distillation column. GlobalData’s report on Occidental Petroleum gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Occidental Petroleum, Power-to-gas system was a key innovation area identified from patents. Occidental Petroleum's grant share as of May 2024 was 68%. Grant share is based on the ratio of number of grants to total number of patents.
Process for producing 1,1,2,3-tetrachloropropene using lewis acid catalyst
A recently granted patent (Publication Number: US11945761B2) outlines a novel process for producing 1,1,2,3-tetrachloropropene. The process involves utilizing a slurry system containing a Lewis acid catalyst within a chlorinated hydrocarbon, introduced via a dustless bucket tipper. The slurry is continuously agitated to form an agitated slurry, which is then combined with 1,1,1,3-tetrachloropropane, chlorine, and optionally carbon tetrachloride in a reaction vessel. This results in the chlorination of 1,1,1,3-tetrachloropropane to form a crude 1,1,1,2,3-pentachloropropane stream, which is further processed in a reactive distillation column to produce the desired 1,1,2,3-tetrachloropropene.
The patent also details processes for producing 1,1,1,2,3-pentachloropropane, involving similar steps of utilizing a slurry system with a Lewis acid catalyst within a chlorinated hydrocarbon, continuous agitation, and chlorination of 1,1,1,3-tetrachloropropane. The innovative aspects of the patent include the use of specific catalysts like ferric chloride, maintaining homogenous catalyst concentration within the slurry, and employing a slurry loop system with back-pressure valves to ensure optimal pressure and temperature conditions during the production process. These processes offer a new approach to efficiently produce these chlorinated compounds, potentially opening up avenues for industrial applications in various sectors.
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GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
