Patents by Inventor Johannes C. J. Verdonk

Johannes C. J. Verdonk 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).

  • Dried sucrose-containing products from separate feeds
    Patent number: RE29647
    Abstract: A process for producing solid sugars wherein separate feeds of sucrose solution and of fine sucrose particles are dispersed in a current of heated air, whereby the particles are coated with the solution which is evaporated leaving a solid product containing substantially all the sugar fed to the process.
    Type: Grant
    Filed: December 9, 1976
    Date of Patent: May 30, 1978
    Assignee: W. R. Grace & Co.
    Inventors: Preston Leonard Veltman, Johannes C. J. Verdonk, Lars Olav Thomsen