Patents by Inventor Ralf Finzel

Ralf Finzel 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).

  • Process for regenerating a fluorination catalyst
    Patent number: 5739070
    Abstract: Process for regenerating a fluorination catalyst The invention relates to a process for regenerating a fluorination catalyst containing chromium and magnesium after use in a fluorination reaction, in which the used catalyst is treated with a mixture comprising at least 10 mol % of HF, from 30 to 90 mol % of O.sub.2 and from 0 to 60 mol % of inert gas.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: April 14, 1998
    Assignee: Solvay (Societe Anonyme)
    Inventors: Frank Ebmeyer, Ralf Finzel, Gunter Siegemund, Wolfgang Wanzke