Patents by Inventor Danny G. R. Peferoen

Danny G. R. Peferoen 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 upgrading a paraffinic feedstock
    Patent number: 5304697
    Abstract: Process for upgrading a paraffinic feedstock which includes: a) supplying the feedstock and an olefins-containing stream at a paraffin to olefin volume ratio greater than 2 to a reactor containing a zeolite-beta catalyst; and b) removing the upgraded product; wherein the process is operated at an olefin conversion of at least 90 mol % in an external circulation reactor having an extent of external circulation of liquid reactor content expressed as ##EQU1## of greater than 2 wherein .phi./v is the volumetric flow rate of feedstock and olefins-containing stream and .phi./vc is the volumetric external circulation flow rate, and upgraded products produced by the process.
    Type: Grant
    Filed: April 6, 1993
    Date of Patent: April 19, 1994
    Assignee: Shell Oil Company
    Inventors: Danny G. R. Peferoen, Krijn P. de Jong, Jean-Pierre Gilson, Willem H. J. Stork, Swan T. Sie, Carolus M. A. M. Mesters