MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202617097041 A) filed by Morozov, Denis Anatolevich; and Gladkov, Oleg Andreevich on August 11, 2026, for Method For Producing Chelate Complexes Of Lignosulfonates.
Inventors include Morozov, Denis Anatolevich; and Gladkov, Oleg Andreevich.
The application for the patent was published on October 30, 2026, under issue no. 44/2026.
Abstract: The method for obtaining chelate complexes is earned out by nitrating aqueous solutions of lignosulfonates in 30-55.0 wt.% nitric acid, while maintaining the temperature within the range of 25-35°C. Salts of biogenic metals are added with constant stirring, while maintaining the temperature from 35 to 50°C not earl...