Patents by Inventor David Edwin Dunstan

David Edwin Dunstan 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).

  • Methods of forming shaped articles from suspensions
    Patent number: 7192546
    Abstract: The invention relates to methods of forming shaped articles from suspensions which include ceramic or metallic powder, or from solutions or suspensions which include one or more pharmaceutical substances or other components. The method comprises the steps of: (a) combining solvent, polymer, cross-linking agent precursor and optional further components and placing into a mould of desired shape; (b) increasing temperature of mould contents to activate cross-linking agent; (c) allowing mould contents to solidify to sufficient extent to remove mould; (d) removing shaped article from the mould.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: March 20, 2007
    Assignees: Commonwealth Scientific and Industrial Research Organisation, Australian Food Industry Science Centre, University of Melbourne, Albright & Wilson (Australia) Limited, Tridan Limited, University of Newcastle
    Inventors: George Vincent Franks, Stephen Bruce Johnson, David Edwin Dunstan
  • Methods of forming shaped articles from suspensions
    Publication number: 20030155689
    Abstract: The invention relates to methods of forming shaped articles from suspensions which include ceramic or metallic powder, or from solutions or suspensions which include one or more pharmaceutical substances or other components. The method comprises the steps of: (a) combining solvent, polymer, cross-linking agent precursor and optional further components and placing into a mould of desired shape; (b) increasing temperature of mould contents to activate cross-linking agent; (c) allowing mould contents to solidify to sufficient extent to remove mould; (d) removing shaped article from the mould.
    Type: Application
    Filed: April 1, 2003
    Publication date: August 21, 2003
    Inventors: George Vincent Franks, Stephen Bruce Johnson, David Edwin Dunstan