Patents by Inventor Sean Lok Ng

Sean Lok Ng 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).

  • BITUMEN COMPOSITION
    Publication number: 20110184090
    Abstract: A bitumen composition comprising crumb rubber, a polymer comprising glycidyl functional groups and wax is disclosed. The bitumen composition can be used to prepare asphalt mixtures.
    Type: Application
    Filed: August 24, 2009
    Publication date: July 28, 2011
    Inventors: Frits De Jonge, Sean Lok Ng, Sophie Nigen-Chaidron