MUMBAI, India, May 30 -- Intellectual Property India has published a patent application (202527041807 A) filed by Clariant International Ltd., Muttenz, Switzerland, on April 30, for 'process for the preparation of n-hydroxypyridone compounds.'
Inventor(s) include Fischer, Dirk; Klug, Peter; Diemel, Claudia; Mueckenheim, Wiebke; and Mueller, Wolfdieter.
The application for the patent was published on May 30, under issue no. 22/2025.
According to the abstract released by the Intellectual Property India: "The invention relates to a process for the preparation of N-hydroxypyridone compounds (I) from pyrone compounds using a phase transfer catalyst."
The patent application was internationally filed on Nov. 24, 2023, under International appli...