Patents by Inventor Johannes Kornelis Minderhoud

Johannes Kornelis Minderhoud 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).

  • Methods of hydrotreating a liquid stream to remove clogging compounds
    Patent number: 7591310
    Abstract: A method includes producing formation fluid from a subsurface in situ heat treatment process. The formation fluid is separated to produce a liquid stream and a gas stream. At least a portion of the liquid stream is provided to a hydrotreating unit. At least a portion of selected in situ heat treatment clogging compositions in the liquid stream are removed to produce a hydrotreated liquid stream by hydrotreating at least a portion of the liquid stream at conditions sufficient to remove the selected in situ heat treatment clogging compositions.
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: September 22, 2009
    Assignee: Shell Oil Company
    Inventors: Johannes Kornelis Minderhoud, Richard Gene Nelson, Augustinus Wilhelmus Maria Roes, Robert Charles Ryan, Vijay Nair