Patents by Inventor Petrus B. J. van Diepen

Petrus B. J. van Diepen 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: 4427507
    Abstract: A process is disclosed for separating glycols from an electrolyte-containing aqueous solution comprises electrodialyzing said solution to increase the glycol to electrolyte content and subsequently removing a substantial part of the water.
    Type: Grant
    Filed: October 6, 1982
    Date of Patent: January 24, 1984
    Assignee: Shell Oil Company
    Inventors: Andreas B. van Aken, Petrus B. J. van Diepen, Jeffrey B. Pedley