Patents Assigned to Phaltech Corporation
  • Activated method for treating crumb rubber particles
    Patent number: 5927620
    Abstract: An improved method for treating crumb rubber particles for use in asphalt compositions is characterized by activating the particles to enhance the rheological properties thereof. A slurry of crumb rubber particles is formed by adding water thereto. The slurry is heated to a temperature of 85-90.degree. C. to release excess oils and chemicals from the particles into the slurry. The slurry is dried to produce a fine mesh rubber product with enhanced rheological properties.
    Type: Grant
    Filed: December 11, 1997
    Date of Patent: July 27, 1999
    Assignee: Phaltech Corporation
    Inventor: Mohammed Memon