MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202617090957 A) filed by Public Joint Stock Company Sibur Holding Pjsc on July 27, 2026, for Procatalyst And Catalyst System For Olefin Polymerization, And Method For Olefin (co)polymerization.

Inventors include Uborsky, Dmitry Vadimovich; Voskoboynikov, Alexander Zelmanovich; Yashin, Andrey Nikolaevich; Sharikov, Mikhail Igorevich; Samsonov, Oleg Vladimirovich; Khaikin, Kirill Alekseevich; Li, Kristina Mikhailovna; and Kolosov, Nikolay Aleksandrovich.

The application for the patent was published on October 23, 2026, under issue no. 43/2026.

Abstract: The present disclosure relates to a procatalyst for olefin polymerization comprising a titanium-containing compound, a magnesium-containing compound, a halogen, and an internal electron donor, wherein the internal electron donor is an alkoxycarbamate compound, and to a method for the preparation of said procatalyst. The present disclosure further relates to a catalyst system for olefin polymerization comprising said procatalyst and a co-catalyst, to a method for the preparation of said catalyst system, and to a method for olefin (co)polymerization with the use of said catalyst system. The present disclosure also relates to use of the alkoxycarbamate compound as an internal electron donor in a catalyst for olefin polymerization.

Disclaimer: Curated by HT Syndication.