Patents by Inventor Charminda Peiris

Charminda Peiris 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).

  • Process for making reinforcing elastomer-clay nanocomposites
    Patent number: 9109101
    Abstract: A process for producing a natural rubber nanocomposite containing exfoliated organically modified montmorillonite and maleic anhydride grafted elastomer in a dispersion of natural rubber and reinforcing filler/inert filler wherein the cured nanocomposite has improved mechanical properties compared to conventional rubber compound containing a mixture of the reinforcing filler, carbon black and the inert filler, CaCO3.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: August 18, 2015
    Assignee: SRI LANKA INSTITUTE OF NANOTECHNOLOGY (PUT) LTD.
    Inventors: Upul Nishantha Ratnayake, Charminda Peiris, Nanda Fernando, Sarathchandra Karunaratne, Veranja Karunaratne, Dileepa Prematunga
  • PROCESS FOR MAKING REINFORCING ELASTOMER-CLAY NANOCOMPOSITES
    Publication number: 20120004347
    Abstract: A process for producing a natural rubber nanocomposite containing exfoliated organically modified montmorillonite and maleic anhydride grafted elastomer in a dispersion of natural rubber and reinforcing filler/inert filler wherein the cured nanocomposite has improved mechanical properties compared to conventional rubber compound containing a mixture of the reinforcing filler, carbon black and the inert filler, CaCO3.
    Type: Application
    Filed: June 30, 2011
    Publication date: January 5, 2012
    Applicant: Sri Lanka Institute of Nanotechnology (PVT) Ltd.
    Inventors: Upul Nishantha Ratnayake, Charminda Peiris, Nanda Fernando, Sarathchandra Kularatne, Veranja Karunaratne, Dileepa Prematunga