Patents by Inventor Jacobus E. Bongaarts

Jacobus E. Bongaarts 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: 4786743
    Abstract: A supported silver catalyst having improved thermostability is prepared by depositing silver particles on a carrier or support having a stepped structure.
    Type: Grant
    Filed: October 31, 1986
    Date of Patent: November 22, 1988
    Assignee: The Dow Chemical Company
    Inventors: Jacobus E. Bongaarts, Garmt R. Meima, John W. Geus
  • Patent number: 4783434
    Abstract: Active catalysts are prepared by (1) impregnating a carrier with a solution of a complex of an active composition or precursor thereof wherein the viscosity of the solution is not decreased upon heating or evaporation of the solvent, (2) removing the solvent and (3) decomposing the complex.
    Type: Grant
    Filed: October 31, 1986
    Date of Patent: November 8, 1988
    Assignee: The Dow Chemical Company
    Inventors: Johannes M. Wigman, John W. Geus, Jacobus E. Bongaarts, Garmt R. Meima