MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202647082329 A) filed by Sabic Global Technologies B. V. on July 03, 2026, for Self-Extinguishing Catalyst System For Propylene Polymerization.
Inventors include Kim, Sang; Yull; Al-Humaidan, Osamah; M Minor, Senthil Kumar Number; and Cuthbert, Eric Norman Tony.
The application for the patent was published on July 10, 2026, under issue no. 28/2026.
Abstract: The present invention relates to a catalyst system for polymerization of polyolefins preferably polypropylene based polymer comprising one or more Ziegler-Natta procatalyst compositions; one or more internal donors; one or more cocatalysts, preferably an aluminum containing cocatalyst; one or more external donors comprising a mixture of: one or more selectivity control agents (SCA); one or more activity limiting agents (ALA); wherein the activity limiting agent (ALA) is a compound according to formula (I) wherein R1 and R2 are selected from a group of linear or branched chains of substituted or unsubstituted alkyl, alkenyl, aryl, aralkyl, cycloalkyl, alkoxycarbonyl, alkylaryl having 1 to 15 carbon atoms; wherein R3 is a linear or branched chains of substituted or unsubstituted alkyl, aryl, alkylaryl or cycloalkyl having 1 to 15 carbon atoms wherein when R1 and R2 is a C4 alkyl group, R3 is a linear or branched chains of substituted or unsubstituted alkyl, aryl, alkylaryl or cycloalkyl having 1 to 10 carbon atoms excluding C8 alkyl.
Disclaimer: Curated by HT Syndication.
