Patents by Inventor Alex G. G. Limahelu

Alex G. G. Limahelu 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 catalytic partial oxidation of hydrocarbons
    Patent number: 5510056
    Abstract: A process for the catalytic partial oxidation of a hydrocarbon feedstock comprises contacting a feed comprising a hydrocarbon feedstock and an oxygen-containing gas with a catalyst in a reaction zone, which catalyst is retained in the reaction zone in a fixed arrangement having a tortuosity of at least 1.1 and having at least 750 pores per square centimeter.
    Type: Grant
    Filed: November 29, 1994
    Date of Patent: April 23, 1996
    Assignee: Shell Oil Company
    Inventors: Ludovicus L. G. Jacobs, Peter W. Lednor, Alex G. G. Limahelu, Ronald J. Schoonebeek, Koert A. Vonkeman
  • Bimetallic catalyst and process for its preparation
    Patent number: 4774219
    Abstract: Process of preparing a bimetallic catalyst comprising(a) applying a titanium compound to an inorganic carrier;(b) applying, simultaneously with or after applying the titanium compound, to the inorganic carrier at least one additive which is selected from the group consisting of a bromine compound, a fluorine compound and an iodine compound;(c) applying, simultaneously with or after applying the additive, to the inorganic carrier a vanadium compound;(d) drying the carrier; and(e) subjecting the carrier to a heat treatment at a temperature between 200.degree. C. and 800.degree. C.
    Type: Grant
    Filed: August 6, 1987
    Date of Patent: September 27, 1988
    Assignee: Shell Oil Company
    Inventors: Gosse Boxhoorn, Petrus F. A. Van Grinsven, Alex G. G. Limahelu