MUMBAI, India, Oct. 11 -- Intellectual Property India has published a patent application (202517072542 A) filed by Honshu Chemical Industry Co. Ltd., Tokyo, on July 30, for 'method for producing polycarboxylic acid ester compound.'
Inventor(s) include Fujioka, Rie; and Kodera, Masato.
The application for the patent was published on Oct. 10, under issue no. 41/2025.
According to the abstract released by the Intellectual Property India: "The present invention addresses the problem of providing a method for producing a polycarboxylic acid ester compound having improved purity as a result of reducing the content of specific impurities. The problem is solved by providing a method for producing a polycarboxylic acid ester compound (1) represented by general formula (1), said method including a reaction step involving an aliphatic alcohol (4) in which at least one type of compound selected from the group consisting of a polycarboxylic acid ester compound (2) represented by general formula (2) and a polycarboxylic acid ester compound (3) represented by general formula (3) is reacted with an aliphatic alcohol (4) represented by general formula (4) to obtain a carboxylic acid ester compound (1) represented by general formula (1)."
The patent application was internationally filed on Mar. 25, 2024, under International application No.PCT/JP2024/011613.
Disclaimer: Curated by HT Syndication.
