Patents by Inventor Subasinghe Nisanke George Premalal Jayantha Dias

Subasinghe Nisanke George Premalal Jayantha Dias 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).

  • Publication number: 20110206768
    Abstract: A bone matrix, including: a bone matrix material, which has had organic material removed, and a replacement material that has replaced the organic material, the bone matrix characterised in that the bone matrix is formed from a single piece of bone.
    Type: Application
    Filed: December 6, 2007
    Publication date: August 25, 2011
    Applicant: The University of Waikato
    Inventors: Dougal Frazer Laird, Michael Roger Mucalo, Subasinghe Nisanke George Premalal Jayantha Dias
  • Patent number: 7892572
    Abstract: The invention provides a biocompatible material derived from keratin that is useful for many aspects of medical treatment of bone. The keratin material is preferably S-sulfonated and enriched in intermediate filament proteins of high molecular weight. The keratin material may be porous for use as a bone replacement and augmentation product but also provided is the use of dense keratin materials in bone treatment for use as an internal fixation appliance in the treatment of bone fractures and bone regeneration, and a method for preparing the keratin material for use in the preservation, restoration and development of form and function of bone.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: February 22, 2011
    Assignee: Keraplast Technologies, Ltd.
    Inventors: Philip Victor Peplow, Subasinghe Nisanke George Premalal Jayantha Dias, Alisa Dawn Roddick-Lanzilotta, Robert James Kelly
  • Patent number: 7297342
    Abstract: The invention provides a biocompatible material derived from keratin that is useful for many aspects of medical treatment of bone. The keratin material is preferably S-sulfonated and enriched in intermediate filament proteins of high molecular weight. The keratin material may be porous for use as a bone replacement and augmentation product but also provided is the use of dense keratin materials in bone treatment for use as an internal fixation appliance in the treatment of bone fractures and bone regeneration, and a method for preparing the keratin material for use in the preservation, restoration and development of form and function of bone.
    Type: Grant
    Filed: June 10, 2003
    Date of Patent: November 20, 2007
    Assignee: Keratec Limited
    Inventors: Philip Victor Peplow, Subasinghe Nisanke George Premalal Jayantha Dias, Alisa Dawn Roddick-Lanzilotta, Robert James Kelly