Patents Assigned to Ecoplast Corporation
  • Process for removing volatiles from post-consumer recycled polyolefin chips
    Patent number: 5767230
    Abstract: A process comprising contacting PCR polyolefin chips containing volatile impurities with a heated gas at a superficial velocity sufficient to substantially reduce the volatile impurities. This process is found to cause the chips (i) to be essentially free of odors and (ii) subject to resin composition and prior use, to meet FDA regulations for direct food contact.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: June 16, 1998
    Assignee: Ecoplast Corporation
    Inventors: Leonard Sebastian Scarola, Richard Gordon Angell, Jr.