Patents Assigned to BAYER INTELLECTUAL ROPERTY GMBH
  • PROCESS FOR PREPARING HIGH MOLECULAR WEIGHT POLYETHER POLYOLS
    Publication number: 20140142344
    Abstract: The invention relates to a process for the preparation of polyether polyols with equivalent molecular weights of from 8,000 to 20,000 g/mol from one or more H-functional starter compounds and one or more alkylene oxides in the presence of a double metal cyanide catalyst, characterized in that the alkylene oxides are metered into the reactor in the course of from 15 to 23 h.
    Type: Application
    Filed: June 26, 2012
    Publication date: May 22, 2014
    Applicant: BAYER INTELLECTUAL ROPERTY GMBH
    Inventors: Klaus Lorenz, Jörg Hofmann, Horst Zwick, Christian Steinlein, Edward Browne