Patents by Inventor Erik Jeroen Laheij

Erik Jeroen Laheij 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 preparation of doped pentasil-type zeolite using doped seeds
    Publication number: 20040092386
    Abstract: The present invention relates to a process for the preparation of doped pentasil-type zeolite, which process comprises the steps of:
    Type: Application
    Filed: August 25, 2003
    Publication date: May 13, 2004
    Inventors: Mike Brady, Erik Jeroen Laheij, Paul O'Connor, Dennis Stamires
  • Method for performing a fischer-tropsch process using an iron-containing layered material
    Publication number: 20040092608
    Abstract: A method for performing a Fischer-Tropsch process using as a catalyst (precursor) an iron-containing layered material selected from the group consisting of layered materials in which iron is present in the layered structure as divalent and/or trivalent metal (group 1), iron-doped layered materials (group 2), calcined iron-doped layered materials (group 3), and calcined layered materials in which iron is present in the layered structure as divalent metal (group 4). The term “layered material” includes anionic clays, layered hydroxy salts, cationic clays, and cationic layered materials.
    Type: Application
    Filed: August 8, 2003
    Publication date: May 13, 2004
    Inventors: Dennis Stamires, Marieke Paulyne Renate Spee, Erik Jeroen Laheij, Paul O'Connor
  • Continuous process and apparatus for the efficient conversion of inorganic solid particles
    Publication number: 20030003035
    Abstract: The invention pertains to a continuous process for the conversion of inorganic solid starting particles which either are amorphous or possess a degree of order into inorganic solid product particles which
    Type: Application
    Filed: May 8, 2002
    Publication date: January 2, 2003
    Inventors: Dennis Stamires, Paul O'Connor, Erik Jeroen Laheij, Johannes Wilhelmus Maria Sonnemans