MUMBAI, India, June 13 -- Intellectual Property India has published a patent application (202517050990 A) filed by Dow Global Technologies Llc, Midland, U.S.A., on May 27, for 'process for producing polyethylene with high pressure centrifugal separation.'

Inventor(s) include Eghbali, Hamed; Eddy, Christopher R.; Altendorf, Bjorn; Heinrich, Joerg; and Dupre', Emile.

The application for the patent was published on June 13, under issue no. 24/2025.

According to the abstract released by the Intellectual Property India: "Embodiments of a process for producing polyethylene comprises: introducing a monomer feed stream comprising ethylene monomer and optionally comonomer to a compressor system to generate high pressure ethylene stream having a pressure of at least 1,000 bar; introducing the high pressure ethylene stream to a high pressure centrifugal separation unit, wherein the high pressure centrifugal separation unit separates solid particles and droplets from the high pressure ethylene stream to generate an enriched effluent comprising the solid particles and droplets and an upgraded high pressure ethylene stream comprising the remainder of the high pressure ethylene stream; withdrawing the enriched effluent from the high pressure centrifugal separation unit; and introducing the upgraded high pressure ethylene stream to a polymerization reactor to generate the polyethylene from the upgraded high pressure ethylene stream."

The patent application was internationally filed on Nov. 28, 2023, under International application No.PCT/US2023/081312.

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