Patents Assigned to Duropar Technologies, Inc.
  • Method for the production of railway ties
    Patent number: 8252216
    Abstract: Durable, weather and an insect-resistant railway ties are fabricated by the co-extrusion into a die of at least one mixture comprising asphalt binder and aggregate and recycled plastic, optionally strengthened by fillers such as glass fiber or KEVLAR.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: August 28, 2012
    Assignee: Duropar Technologies, Inc.
    Inventors: Brian Abramson, James R. Inglis
  • COMPOSITION AND METHOD FOR THE PRODUCTION OF RAILWAY TIES
    Publication number: 20100219257
    Abstract: Durable, weather and an insect-resistant railway ties are fabricated by the co-extrusion into a die of at least one mixture comprising asphalt binder and aggregate and recycled plastic, optionally strengthened by fillers such as glass fibre or KEVLAR.
    Type: Application
    Filed: February 26, 2010
    Publication date: September 2, 2010
    Applicant: DUROPAR TECHNOLOGIES, INC.
    Inventors: Brian Abramson, James R. Inglis