Patents by Inventor Johan M. Van Der Eijk

Johan M. Van Der Eijk 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).

  • Process for the conversion of a hydrocarbonaceous feedstock
    Patent number: 5069776
    Abstract: Process for the conversion of a hydrocarbonaceous feedstock having an end boiling point of at most 330.degree. C., which process comprises contacting the feedstock with a moving bed of a zeolitic catalyst comprising a zeolite with a pore diameter of 0.3 to 0.7 nm at a temperature above 500.degree. C. during less than 10 seconds.
    Type: Grant
    Filed: February 21, 1990
    Date of Patent: December 3, 1991
    Assignee: Shell Oil Company
    Inventors: Jaydeep Biswas, Ian E. Maxwell, Johan M. Van Der Eijk