MUMBAI, India, July 25 -- Intellectual Property India has published a patent application (202517066557 A) filed by Basf Se, Ludwigshafen am Rhein, Germany, on July 11, for 'biodegradable graft polymers, their production, and their use in agrochemical formulations.'

Inventor(s) include Mueller, Jan Ole; Benlahmar, Ouidad; Ebert, Sophia; Schoen, Florian; Molawi, Kian; Blanazs, Adam; Corberan Roc, Rosa; Kremzow-Graw, Doris; Rude, Janine; and Bentele, Joachim.

The application for the patent was published on July 25, under issue no. 30/2025.

According to the abstract released by the Intellectual Property India: "The present invention relates to an agrochemical composition comprising an agrochemical active ingredient and a cleaning composition comprising cleaning additives, each further comprising at least one novel graft polymer comprising a polymer backbone (A) as a graft base having polymeric sidechains (B) grafted thereon. The polymeric sidechains (B) are obtainable by polymerization of at least one vinyl ester monomer (B1), and optionally further monomers. The polymer backbone (A) comprises polyalkylene-oxide-derived moieties and moieties derived from lactone(s) and/or hydroxy acid(s), those moieties being mixed such that the polymer backbone contains ester-functions within the polymer chains. It was found that the graft polymer of the inventive composition is suitable as a dispersant for pesticides in agrochemical compositions, but also in cleaning compositions to improve the cleaning properties. Moreover, the graft polymer typically exhibits a suitably high degree of biodegradability and thus allows for more environmental-friendly formulations. The graft polymer as such and its production is also claimed."

The patent application was internationally filed on Dec. 08, 2023, under International application No.PCT/EP2023/084835.

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