Real Madrid Technology has obtained a new invention patent authorization: “A method for preparing high molecular weight polyether polyols using waste grease”

real madrid technology has obtained a new invention patent authorization. the patent is called “a method for preparing high molecular weight polyether polyols using waste oil”. the patent application number is cn202210188515.3, and the authorization date is 2023. november 14th. patent abstract: the present invention provides a method for preparing high molecular weight polyether polyols…