MUMBAI, India, Aug. 1 -- Intellectual Property India has published a patent application (202411003461 A) filed by Chandigarh University; and Chandigarh University Technology Business Incubator, Mohali, Punjab, on Jan 17 for 'solid-base catalyst composition for preparation of diosmin via transesterification and method for synthesis thereof.'
Inventor(s) include Dr. Ravi Tomar; and Prof. K. K. Pant.
The application for the patent was published on Aug. 1, under issue no. 31/2025.
According to the abstract released by the Intellectual Property India: "A solid-base catalyst composition for preparation of Diosmin via transesterification, comprising: a) 1-2% w/w magnesium nitrate, b) 0.2-0.5% w/w aluminium nitrate nonahydrate, c) 0.1-0.3% w/w cesium carbonate, d) 0.2-0.5% w/w sodium carbonate hexahydrate, e) 0.2-0.4% w/w sodium hydroxide, and f) 97-98% w/w water. A method for synthesis of the solid-base catalyst composition, comprising steps: i) adding magnesium nitrate hexahydrate, aluminium nitrate nonahydrate, cesium carbonate and water in 2 L beaker A to obtain solution A, ii) adding sodium carbonate hexahydrate and sodium hydroxide in 2 L beaker B to obtain solution B, iii) adding solution A to solution B dropwise at 8-12 pH to obtain gel, iv) ageing gel at 335-345K for 3-5 hours, followed by filtering and washing with water to obtain semi-solid product, and v) dying semi-solid product overnight at 80-120oC in oven to obtain a solid product, followed by crushing solid product to obtain solid-base catalyst composition."
Disclaimer: Curated by HT Syndication.
