Patents Assigned to Biolumber Inc.
  • Structural recycled plastic lumber
    Patent number: 6497956
    Abstract: Plastic lumber having sufficient stiffness and strength to allow its use in structural and load-bearing applications. The plastic lumber is composed of a thermoplastic polymer, a thermosetting polymer cured with reinforcing fibers and, preferably, a coupling agent and foaming or blowing agent. As a preferred embodiment, the thermosetting polymer and reinforcing fibers are sourced from recycled materials, specifically, sheet molding compounds and bulk molding compounds.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: December 24, 2002
    Assignee: Biolumber Inc.
    Inventors: Thomas E. Phillips, Prabhat Krishnaswamy