MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202617077674 A) filed by Basf Se on June 23, 2026, for Process For Isomerizing An Ethylenically Unsaturated Alcohol In A Cascade Of Reactors.
Inventors include Ufer, Andreas Joerg; Keller, Andreas; Gamero, Maria Daniela; Lefebvre, Jonathan Thomas; and Ruettinger, Sophie Catherine.
The application for the patent was published on September 18, 2026, under issue no. 38/2026.
Abstract: A process for isomerizing a feed comprising an ethylenically unsaturated alcohol by shifting a double bond to obtain an isomerized ethylenically unsaturated alcohol comprises providing a cascade of n reactors, wherein n is an integer of at least 2. The process further comprises combining an ith makeup stream with an ith recycle stream to obtain an ith reactor inlet stream; feeding the ith reactor inlet stream to an ith reactor, and isomerizing the ith reactor inlet stream over a heterogeneous isomerization catalyst to yield an ith effluent stream; and dividing the ith effluent stream into the ith recycle stream and an ith forward stream. In the process, i runs from 1 to n; wherein for i = 1, the feed constitutes the first makeup stream, and for i = 2 to n, the (i-1)th forward stream constitutes the (i)th makeup stream; and the nth forward stream is a product stream. The process allows for isomerizing ethylenically unsaturated alcohols at high conversion and with improved selectivity.
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