MUMBAI, India, Sept. 7 -- Intellectual Property India has published a patent application (202617081878 A) filed by Prayon on July 02, 2026, for Process For Purifying A Phosphorus-Containing Source.
Inventors include De Bois, Kevin; and Dethier, Thomas.
The application for the patent was published on September 04, 2026, under issue no. 36/2026.
Abstract: A process for purifying a phosphorus-containing source, comprising the following steps: a) At a temperature lower than 100°C for a duration lower than 180 minutes, reacting at least one phosphorus-containing source which comprises metallic trace elements and at least 5 wt.% and at most 50 wt.% of phosphorus expressed as P2O5 equivalent with at least one mineral acid leading to a digested suspension comprising said metallic trace elements in a liquid phase, and a solid phase mainly comprising phosphorus-containing compounds, wherein the reaction is performed at a molar ratio H+/P2O5 comprised between 0.05 and 5, b) Separating said liquid phase from said digested suspension.
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