Patents Assigned to FRC-DeSoto International, Inc.
  • Controlled release amine-catalyzed, Michael addition-curable sulfur-containing polymer compositions
    Patent number: 9018322
    Abstract: Compositions comprising sulfur-containing polymers such as polythioethers, Michael acceptors, and controlled release amine catalysts employing Michael addition curing chemistries useful in aerospace sealant applications are disclosed. The compositions exhibit extended pot life and the rate of curing can be tailored for specific applications.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: April 28, 2015
    Assignee: FRC-DeSoto International, Inc.
    Inventors: Juexiao Cai, Lawrence G. Anderson, Renhe Lin