Means to prevent or reduce the effect of shrinking of the foamed article

Patents Grantslast 30 patents

  • Information Patent Grant

    Molding of expandable polystyrene

    • Patent number 12,233,583
    • Issue date Feb 25, 2025
    • Lifoam Industries, LLC
    • Jonathan Godfrey
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2476827

    • Patent number 2,476,827
    • Issue date Jul 19, 1949
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents