MUMBAI, India, May 9 -- Intellectual Property India has published a patent application (202517035203 A) filed by Shell Internationale Research Maatschappij B. V., The Hague, Netherlands, on April 10, for 'batch process for preparing a polyether polyol using a double metal cyanide catalyst.'

Inventor(s) include Davis Paul; Talwalkar Sandip Shripad; Tatake Prashant Anil; Maleppagari Saikiran; and Karipeddi Rama Tejaswi.

The application for the patent was published on May 9, under issue no. 19/2025.

According to the abstract released by the Intellectual Property India: "The invention relates to a batch process for preparing a polyether polyol P having a hydroxyl number of greater than 115 mg KOH/g by reacting starter compound S1 and optiona...