Patents by Inventor Franz J. Brocker

Franz J. Brocker 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).

  • Patent number: 5521139
    Abstract: Catalyst and process for the preparation of butene-2-diol-1,4 by the hydrogenation of butyne-2-diol-1,4 in aqueous solution over a palladium-containing fixed-bed catalyst, which is doped with lead or cadmium, in which a catalyst is used which has been made by applying Pd and Pb or Pd and Cd successively, by vapor deposition or sputtering, to a metal gauze or a metal foil acting as support material followed by forming the catalyst at an elevated temperature in air.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: May 28, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz J. Brocker, Rainer Becker, Volkmar Menger, Peter Stops