Patents by Inventor Douglas Drysdal Green

Douglas Drysdal Green 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 treating coral and coating an object
    Patent number: 7258898
    Abstract: The present invention generally relates to an improved process for the hydrothermal conversion of coral into hydroxyapatite, a process for coating an object with hydroxyapatite, a process for coating an object with a divalent metal phosphate and uses of objects prepared by these processes. Following the processes according to the present invention, the resultant hydroxyapatite has greater strength and bioactivity than that of the coral prior to its conversion.
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: August 21, 2007
    Assignee: Nanocoatings Pty, Ltd.
    Inventors: Besim Ben-Nissan, Adriyan S. Milev, Douglas Drysdal Green, Ji Hu, Robert M. Conway, G. S. Kamall Kannangara, Jennifer Russell, Edit Gillott, Clifford Trefry
  • Processes for treating coral and coating an object
    Publication number: 20040091547
    Abstract: The present invention generally relates to an improved process for the hydrothermal conversion of coral into hydroxyapatite, a process for coating an object with hydroxyapatite, a process for coating an object with a divalent metal phosphate and uses of objects prepared by these processes. Following the processes according to the present invention, the resultant hydroxyapatite has greater strength and bioactivity than that of the coral prior to its conversion.
    Type: Application
    Filed: December 29, 2003
    Publication date: May 13, 2004
    Inventors: Besim Ben-Nissan, Adriyan S Milev, Douglas Drysdal Green, Ji Hu, Robert M Conway, G S Kamall Kannangara, Jennifer Russell, Edit Gillot, Clifford Trefry