MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202617074913 A) filed by Ioniqa Solutions B. V. on June 17, 2026, for Method Of Separating Heterogeneous Catalyst From Depolymerization Reaction Products.
Inventor includes Babic, Katarina.
The application for the patent was published on September 18, 2026, under issue no. 38/2026.
Abstract: The present invention concerns a process for separating a heterogeneous depolymerization catalyst from monomers, comprising the steps of (a) providing a feed comprising reaction products of a depolymerization reaction wherein condensation polymer is depolymerized into monomers and oligomers, said feed comprising monomers, oligomers, carrier liquid and heterogeneous depolymerization catalyst; and (b) subjecting the feed of step (a) to cross-flow membrane filtration resulting in a permeate and a retentate, wherein the permeate has an increased monomer to heterogeneous depolymerization catalyst ratio and the retentate is enriched in heterogeneous depolymerization catalyst and oligomers, as compared to the feed, wherein no centrifugation step is performed prior to step (b). The present invention further concerns a separation system for separating a heterogeneous depolymerization catalyst from monomers.
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