MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202647092881 A) filed by Basell Poliolefine Italia S. R. L. on July 31, 2026, for Process And Apparatus For The Polymerization Of Olefins In A Reactor Having Two Interconnected Polymerization Zones.

Inventors include Palmieri, Teodoro; Balestra, Enrico; Rinaldi, Riccardo; and Zandegiacomo Rizio, Anna.

The application for the patent was published on August 07, 2026, under issue no. 32/2026.

Abstract: Process and apparatus for the gas-phase polymerization of olefins to produce monomodal or multimodal polyolefins, carried out in a reactor having two interconnected polymerization zones, wherein a liquid barrier stream is established between said zones to produce multimodal polyolefins by using a liquid monomer conveyed through a pipeline connected to a second pipeline suitable to feed a gas stream at a defined point, said gas stream being used during the production of monomodal polyolefins to replace said liquid barrier.

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