MUMBAI, India, July 25 -- Intellectual Property India has published a patent application (202547068137 A) filed by Sabic Global Technologies B. V., Bergen op Zoom, Netherlands, on July 17, for 'method for purifying linear alpha olefins.'

Inventor(s) include Ghosh, Ashim Kumar; Viswanath, Vinu; Chakraborty, Debashis; Bawareth, Bander; Banke, Jonathan; Thobaity-Al, Abdullah; and Sadeq, Raeid.

The application for the patent was published on July 25, under issue no. 30/2025.

According to the abstract released by the Intellectual Property India: "The disclosure provides a catalytic process for selective isomerization of 2-ethyl-1-butene in a linear alpha olefin stream that includes feeding a linear alpha olefin stream comprising a linear alpha olefin and 2- ethyl-1-butene to a reactor housing a modified alumina catalyst to isomerize at least a portion of the 2-ethyl- 1-butene to cis- or trans-3-methyl-2-pentene, the period during which said feeding occurs being time on stream; withdrawing an effluent from the reactor containing less 2-ethyl-1-butene than the linear alpha olefin stream; and periodically regenerating the modified alumina catalyst by introducing a non-oxidizing environment to the reactor at time on stream intervals of no more than about 200 hours, wherein the reactor is subjected to the non-oxidizing environment for a time period of about 15 hours or greater and wherein the non-oxidizing environment has a temperature of about 250 C or greater for at least a portion of the time period."

The patent application was internationally filed on Dec. 28, 2023, under International application No.PCT/IB2023/063300.

Disclaimer: Curated by HT Syndication.