MUMBAI, India, Sept. 12 -- Intellectual Property India has published a patent application (202517079325 A) filed by Evonik Operations Gmbh, Essen, Germany, on Aug. 21, for 'process for depolymerization of polyalkylene terephthalates in an extruder.'
Inventor(s) include Zander, Christian; 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 a 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 particular polyethylene terephthalate (PET) or polybutylene terephthalate (PBT...