MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202617073909 A) filed by Prayon on June 15, 2026, for Solid Nutrient Composition, Method For Preparing The Same And Use Thereof.
Inventors include Pinxteren, Dave; and Verhelst, Kurt.
The application for the patent was published on July 10, 2026, under issue no. 28/2026.
Abstract: The invention pertains to a solid nutrient composition, comprising at least one polyphosphate; at least 0.10 and at most 10.00 wt.% of iron, with reference to the total weight of said composition; and at least one pH reducing agent selected from the group consisting of solid acid, or salts thereof, hemipotassium phosphate (HKP), monopotassium phosphate (MKP), and potassium sulphate (SOP); wherein the solid acid is selected from the group consisting of propionic acid, acrylic acid, lactic acid, pyruvic acid, butyric acid, succinic acid, fumaric acid, malic acid, itaconic acid, citric acid, gluconic acid, acetoacetic acid, tartaric acid, sulfosalicylic acid, and oxalic acid; wherein said composition is substantially free of organic chelating agents containing at least one amine group; and said composition has a Ppoly /Fe molar ratio of between 2.70 and 50.00 where Ppoly is a total number of moles of phosphorus in polyphosphate form and where Fe is a total number of moles of iron in said composition with the provisio that when the pH reducing agent is selected from hemipotassium phosphate (HKP), monopotassium phosphate (MKP), and potassium sulphate (SOP), the Ppoly/Fe molar ratio of the composition is between 4.00 to 50.00. The invention pertains further to an aqueous solution obtained by dissolving said solid nutrient composition, to a method for providing bioavailable iron to plants, to the use of said solid nutrient composition in a fertilizing composition and to the use in a foliar application of an aqueous solution according to the present invention.
Disclaimer: Curated by HT Syndication.
