MUMBAI, India, Nov. 14 -- Intellectual Property India has published a patent application (202544043798 A) filed by Swancor Innovation & Incubation Co. Ltd., Nantou, Taiwan, on May 6, for 'method for manufacturing unsaturated polyester resin.'
Inventor(s) include Yun-Wen Huang; and Meng-Wei Wang.
The application for the patent was published on Nov. 14, under issue no. 46/2025.
According to the abstract released by the Intellectual Property India: "A method for manufacturing an unsaturated polyester resin (100) includes alcoholysis step, etherification step, condensation step and dilution step as follows. In alcoholysis step, a polycarbonate, a diol compound and an organic alkaline catalyst are mixed and heated to an alcoholysis temperature to obtain a first mixture. In etherification step, a carbonate compound is added to the first mixture to obtain a second mixture. In condensation step, a dianhydride or diacid monomer is added to the second mixture to obtain a third mixture. In dilution step, the third mixture is cooled to a dilution temperature, and a styrene or acrylic monomer is added to dilute it to a predetermined solid content to obtain an unsaturated polyester resin."
Disclaimer: Curated by HT Syndication.
