Patents by Inventor Roger St. Clair Smart

Roger St. Clair Smart 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).

  • Bioactive Coating of Biomedical Implants
    Publication number: 20080071382
    Abstract: A method of forming a bioactive coating on a biomedical implant, the method including the step of contacting at least part of the surface of the implant prior to implantation with a plasma gas containing a reactive hydroxylating oxidant species. The step of contacting the surface of the implant prior to implantation with a plasma gas containing a reactive hydroxylating oxidant species may be preceded by a step of exposing the implant to an organosilane or organosilicate species to form a silica coating on at least part of the implant prior to contact with the oxidant species.
    Type: Application
    Filed: January 19, 2005
    Publication date: March 20, 2008
    Applicant: University of South Australia
    Inventors: Sunil Kumar, Hailong Zhang, Darren John Simpson, Roger St. Clair Smart
  • Surface modification of kaolinite
    Patent number: 6071335
    Abstract: A method for modifying the surface of kaolinite or a kindred mineral comprises the step of subjecting the mineral to a water vapor plasma. The modification involves the generation of reactive hydroxyl sites on the surface of the kaolinite. The plasma treatment may be followed by treatment with an appropriate chemical reagent to further modify the surface properties of the mineral.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: June 6, 2000
    Assignee: Comalco Aluminium Limited
    Inventors: Belinda Braggs, John Ralston, Roger St. Clair Smart