Patents Assigned to BITUMAR INC.
  • Roofing asphalt composition
    Patent number: 9932477
    Abstract: A roofing asphalt composition comprising an oxidized blend of a paving grade asphalt and recycled rubber is described herein.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: April 3, 2018
    Assignee: BITUMAR INC.
    Inventors: Hua Qin Liu, Vu Q. Nguyen, Rene Dufresne
  • Method of the production of a roofing asphalt composition using catalytic oxidation
    Patent number: 9279042
    Abstract: A catalytic process for preparing a roofing asphalt composition comprising an oxidized blend of a paving grade asphalt and recycled rubber is described herein.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: March 8, 2016
    Assignee: Bitumar Inc.
    Inventors: Hua Qin Liu, Vu Q. Nguyen, Rene Dufresne
  • Building material composition
    Publication number: 20090258972
    Abstract: There is provided a building material composition comprising a filler and a polymer wherein the filler comprises coke and the polymer comprises polyethylene. A process for making the same comprises loading the polyethylene with coke and forming the resulting composition into a building material, the amount of coke being selected depending on the desired building material.
    Type: Application
    Filed: April 15, 2009
    Publication date: October 15, 2009
    Applicant: BITUMAR INC.
    Inventors: Serban Iliuta, Hua Qin Liu, Vu Q. Nguyen