Patents Assigned to GE Betz, Inc.
  • Polymerization inhibitor for vinyl-containing materials
    Patent number: 6447649
    Abstract: This invention relates to a process of inhibiting the polymerization of vinyl-containing materials through the use of an effective amount of a polymerization inhibitor comprising quinone diimide and a nitroxyl stable free radical under various conditions. This invention also relates to the polymerization inhibitor composition.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: September 10, 2002
    Assignee: GE Betz, Inc.
    Inventor: Grace B. Arhancet