Patents by Inventor Hans-Joachim Schmidt

Hans-Joachim Schmidt 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: 3950400
    Abstract: Improvement of a process for the oxacylation of olefins in the gaseous phase in the presence of carrier catalysts containing palladium salts and additives by adding a barium carboxylic acid aurate the carboxylic acid part of which contains from 2 to 10 carbon atoms.
    Type: Grant
    Filed: November 18, 1971
    Date of Patent: April 13, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans Fernholz, Friedrich Wunder, Hans-Joachim Schmidt
  • Patent number: 3939199
    Abstract: An improved process for oxacylating olefins in the gaseous phase which comprises using a supported catalyst comprising palladium and a carrier having a total pore volume of from 0.4 to 1.2 ml/g, less than 10% of the total pore volume being attributable to micropores having a diameter of less than 30 A. Catalysts of this type are much more efficient than conventional catalysts.
    Type: Grant
    Filed: June 22, 1973
    Date of Patent: February 17, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans Fernholz, Friedrich Wunder, Hans-Joachim Schmidt