Patents by Inventor Adam J. Fischmann

Adam J. Fischmann 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).

  • PROCESSES FOR EXTRACTION OF NICKEL WITH IRON-COMPLEXING AGENT
    Publication number: 20120067174
    Abstract: The invention provides, in part, a process for extracting nickel from a source material including iron and nickel, by contacting the source material (e.g, an ultramafic ore) with an aqueous ammonia solution containing an iron-complexing agent (e.g., citrate) under suitable conditions, thereby extracting the nickel. The aqueous ammonia solution may optionally contain a sulfur-containing reductant, such as thiosulfate.
    Type: Application
    Filed: May 20, 2010
    Publication date: March 22, 2012
    Applicant: THE UNIVERSITY OF BRITISH COLUMBIA
    Inventors: David G. Dixon, Adam J. Fischmann