Patents by Inventor Christopher Breff Ward

Christopher Breff Ward 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).

  • Sulfate Process
    Publication number: 20110229386
    Abstract: A sulfate process for producing titania from a titaniferous material (as herein defined) including a step of leaching said titaniferous material with a leachant to form a process solution that includes an acidic solution of titanyl sulfate and iron sulfate, wherein said sulfate process further includes a filtration step comprising filtering said leachant to at least substantially remove titanyl sulfate particles from said leachant prior to supplying said leachant to said leach step.
    Type: Application
    Filed: September 29, 2009
    Publication date: September 22, 2011
    Inventors: Alan David Stuart, John Andrew Lawson, Christopher Breff Ward, Hong Peng