Intellectual Property India Publishes Patent Application for 'Preparation Method Of Double Metal Cyanide Catalyst For Preparing A Polycarbonate-Ether' Filed by Ptt Global Chemical Public Company Limited

MUMBAI, India, July 5 -- Intellectual Property India has published a patent application (202517054798 A) filed by Ptt Global Chemical Public Company Limited, Bangkok, on June 6, for 'preparation method of double metal cyanide catalyst for preparing a polycarbonate-ether.'

Inventor(s) include Phomphrai, Khamphee; Chumsaeng, Phongnarin; Yimthachote, Supajittra; Potisatityuenyong, Anupat; and Pitakchatwong, Chutamart.

The application for the patent was published on July 4, under issue no. 27/2025.

According to the abstract released by the Intellectual Property India: "The present invention relates to a preparation method of double metal cyanide catalyst for producing a polycarbonate-ether from epoxide and carbon dioxide, wherein said proces...