Patents Assigned to Pop-Limited
  • Non-toxic rubber-based composition and method for making the rubber based composition
    Patent number: 4877566
    Abstract: A non-toxic rubber-based composition for use in manufacturing toys which contains styrene butadiene rubber, naphthene oil, ester gum, calcium carbonate and a coloring agent, and a method for making same.
    Type: Grant
    Filed: April 4, 1985
    Date of Patent: October 31, 1989
    Assignee: Pop-Limited
    Inventor: Tongil Cha