Patents by Inventor Harry R. G. Steeghs

Harry R. G. Steeghs 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).

  • Method for producing reducible iron-containing material having less clustering during direct reduction and products thereof
    Patent number: 5476532
    Abstract: A method for abating the incidence of cluster formation of reducible iron-containing material during the direct reduction of said material is disclosed. The method generally comprises contacting the reducible iron-containing material with a cluster-abating effective amount of either a dispersion which comprises at least one particulate material which is substantially nonhardening in the presence of water and at least one fluxing agent or a dispersion which comprises an aluminum-containing clay.
    Type: Grant
    Filed: July 20, 1994
    Date of Patent: December 19, 1995
    Assignee: Akzo Nobel N.V.
    Inventor: Harry R. G. Steeghs
  • Method for producing reducible iron-containing material having less clustering during direct reduction and products thereof
    Patent number: 5372628
    Abstract: A method for abating the incidence of cluster formation of reducible iron-containing material during the direct reduction of said material is disclosed. The method generally comprises contacting the reducible iron-containing material with a cluster-abating effective amount of a dispersion of a particulate material.
    Type: Grant
    Filed: September 10, 1993
    Date of Patent: December 13, 1994
    Assignee: Akzo N.V.
    Inventor: Harry R. G. Steeghs