Patents Assigned to FBC Limted
  • Chemical blowing agent
    Patent number: 4369126
    Abstract: The present invention relates to a composition comprising a blowing agent and an activator characterised in that the blowing agent and activator have been micronised together rather than separately as hitherto; to methods for making the composition and to the use of the compositions in expanding polymers.
    Type: Grant
    Filed: March 20, 1981
    Date of Patent: January 18, 1983
    Assignee: FBC Limted
    Inventor: Raymond J. Bathgate