MUMBAI, India, Aug. 22 -- Intellectual Property India has published a patent application (202517070468 A) filed by Johnson Matthey Davy Technologies Limited, London, on July 24, for 'process for producing dialkyl succinate.'
Inventor(s) include Claxton, Henry Arthur; Gordon, Paul; Heaps, Joshua Andrew; Reed, Graham; and Smidt, Martin Lucas.
The application for the patent was published on Aug. 22, under issue no. 34/2025.
According to the abstract released by the Intellectual Property India: "The present invention provides a process for producing dialkyl succinate, the process comprising hydrogenating dialkyl maleate in a multi-stage process comprising at least two hydrogenation stages wherein: in a first hydrogenation stage a feed stream comprising the dialkyl maleate is exposed to hydrogenating conditions over a catalyst at a temperature T1 to produce a first stream comprising dialkyl succinate and unsaturated compound(s), and in a second hydrogenation stage the first stream is exposed to hydrogenating conditions at a temperature T2 to produce a second stream comprising dialkyl succinate and a lower concentration of the unsaturated compound(s) than the first stream; wherein T2 is less than T1."
The patent application was internationally filed on Feb. 13, 2024, under International application No.PCT/GB2024/050382.
Disclaimer: Curated by HT Syndication.
