MUMBAI, India, May 30 -- Intellectual Property India has published a patent application (202517036774 A) filed by Depoly Sa, Sion, Switzerland, on April 16, for 'method of purification of terephthalic acid.'

Inventor(s) include Anderson, Samantha; Ireland, Christopher; and Hlaiem, Mohamed.

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: "A method for purification of terephthalic acid. The method includes contacting unpurified terephthalic acid with graphite, activated carbon, and molecular sieve to provide a reaction mixture, stirring the reaction mixture for a first certain period of time, filtering the reaction mixture, to provide a ...