Patents by Inventor Werner Bertleff

Werner Bertleff has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Preparation of ethylene glycol
    Patent number: 4600726
    Abstract: Ethylene glycol is prepared from carbon monoxide and hydrogen under superatmospheric pressure and at an elevated temperature in the presence of a rhodium-containing catalyst together with a cobalt catalyst, the molar ratio of rhodium to cobalt being from about 20:1 to 60:1.
    Type: Grant
    Filed: July 24, 1985
    Date of Patent: July 15, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Werner Bertleff, Franz-Josef Muller, Rudolf Kummer, Wolfgang Harder