Patents by Inventor Jan Gaaf

Jan Gaaf 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: 4469813
    Abstract: Highly active and selective hydroisomerization catalysts are prepared by heating to 300.degree.-450.degree. C. at subatmospheric pressure, a mixture of nickel synthetic mica montmorillonite (Ni-SMM) with a hydroxy aluminum polymeric solution. The resulting pillared Ni-SMM catalyst, preferably Pd-loaded, is especially useful in hydroisomerizing C.sub.4 -C.sub.7 paraffins.
    Type: Grant
    Filed: March 18, 1983
    Date of Patent: September 4, 1984
    Assignee: Shell Oil Company
    Inventors: Jan Gaaf, Rutger A. van Santen