MUMBAI, India, Sept. 12 -- Intellectual Property India has published a patent application (202517079497 A) filed by Evonik Operations Gmbh, Essen, Germany, on Aug. 21, for 'process for depolymerization of polyalkylene terephthalates in an extruder.'
Inventor(s) include Roettger, Dirk; Zander, Christian; Reinsberg, Philip Heinrich; Ruwwe, Johannes; and Richter, Thomas.
The application for the patent was published on Sept. 12, under issue no. 37/2025.
According to the abstract released by the Intellectual Property India: "The invention relates to an improved process for depolymerization of at least one polymer P1 which is a polyalkylene terephthalate, i.e. a polymer comprising terephthalic acid units and alkylene glycol units, in particula...